Distribution Software

Distribution Software

Distribution Software

Updated: 2026-09-17 · Shopsoft

gratisRENAULTDACIASTELLANTISPEUGEOTCITROËNOPELTOYOTALEXUSHYUNDAIHONDAVespaPiaggio
References

Short answer

What is distributor software?

Request a meeting

Distribution software is a sector-specific system in which region, brand line, allocation and sub-sales operate under the same commercial identity. It is not a general dealer portal. Nor is it a copy of the manufacturer’s ERP system. Shopsoft links this segment to the B2B software backbone; it does not mistake the ‘major dealer password’ for a distribution licence.

A distributor both collects and distributes. It receives the brand line from head office, distributes it to its own region and transports the goods en route. The Istanbul-based team, which has been developing software under the SS Danışmanlık umbrella since 2004, brings its experience of providing infrastructure support to over 700 agencies in Turkey and abroad to this platform. The aim is not simply to populate a portal list; rather, it is for the system to handle questions such as ‘which region sees which product line’, ‘whose stock is allocated’, and ‘retail prices do not leak to head office’.

Work-related problem

If the region is listed in the email but not in the Excel file, there is no distributorship.

The catalogue is not where the distribution chain breaks down. The manufacturer issues allocations, the regional representative takes orders via WhatsApp, the warehouse checks stock in its own Excel spreadsheet, and the sub-dealer checks prices from a different list. Three different regional realities emerge within the same day. Deliveries are delayed, the brand’s product line becomes confused, and stock arrives after the accounts have been closed.

As this dispersion grows, it becomes invisible. One region ‘temporarily’ supplies a neighbouring province because the system does not cut off the line. Another region promises the goods in transit a second time because there is no allocation record. By the time the management dashboard appears, the matter is already settled. Distribution software does not resolve this situation with a ‘larger basket’; it makes the region and line unique.

Shopsoft first maps out this contradiction during the exploration phase. Who is opening the territory, which brand line is being carried, whose warehouse is the allocation assigned to, and does the sub-distribution authorisation exceed the limit? The screen layout cannot be finalised until the answers are clear. The need for the software arises from the specific requirements of the territory.

Shipments awaiting dispatch at the regional warehouse, distributor allocation and brand line
Being a distributor isn’t just about appearances; it’s about being the sole authorised representative for a region and a product line.

In most networks, distribution is referred to as a ‘temporary territory note’. The temporary note assumes an average company with an average dealer. If your line is exclusive, your territory must overlap; if your allocation is seasonal, the blind portal either links every line to a person or links none at all. Both approaches disrupt operations. A custom record incorporates the exception into the rule; it does not leave the exception to the territory note.

The scale won’t tolerate this table. As the region expands to 100, the telephone chain collapses. When a new brand line is opened, the debate over ‘which SKU appears’ is repeated with every order. When a new sub-dealer is added, the price is entered into Excel. Without a contract, every expansion gives rise to a new ‘back-office’ operation. This page explains what that sector segment entails; it does not primarily target a general B2B portal or a freight network.

Many teams mistake the problem for a ‘faster dealer screen’. The tool is useful; it does not resolve the issue of missing records. Even if the distributor opens an order in three minutes, if the allocation is not locked, the same stock item appears a second time. Even if the screen looks good, if the item doesn’t appear in the regional line, reconciliation will still be a battle at the end of the month. The purpose of distributor software is not to speed up the user, but to ensure that the region and the line operate as a single entity.

The second common misconception is to regard the distributor as a major retailer. The same product range, the same catalogue, the same authorisation. Yet the distributor handles sub-pricing, allocation and regional stock. The head office does not manage these two aspects. The result: secret Excel spreadsheets, WhatsApp orders, and end-of-month battles. A portal solution could address this issue in greater depth; sector-specific records are no substitute for such a solution.

The third deviation is to close the discovery with a slide. The slide does not delineate the area. If there is no open allocation, no escaping line or no overlapping line, the rule is not written. Shopsoft requires these three documents; it does not publish the package name or price. A line is not selected until the document arrives.

The Shopsoft approach

A ready-made dealer package is not imposed; the region is set up according to the company.

Shopsoft’s distribution software does not simply take products off the shelves. Each network has different regional depth, number of brand lines, allocation frequency and sales segment. Selling the same ‘basket’ to everyone will bring back the secret Excel spreadsheet the following year.

The approach consists of three layers. The first is the regional reality: who distributes which province, via which channel, and with what exclusivity. The second is the product line reality: which brand line, which SKU segment, and which seasonal allocation. The third is the connection reality: the manufacturer, warehouse and retail outlet all speak the same business language. This page does not cover the general B2B backbone; it describes the sector-specific segment. The backbone resides at the B2B software layer.

The team in Istanbul does not approach this in the same way as a portal presentation. The current allocation example, the overlapping area and the ‘why did this line slip through?’ story are all brought to the table. The regional business development network, which facilitates communication in the local language for global projects, analyses the overseas regional scenario with the same rigour.

The result is not a demo, but a live zone configuration. When a new line is added, the authorisation is copied; when a new zone is added, the field and the centre do not generate separate allocations. The software is kept simple and rigid enough to support the growing network.

During the discovery phase, the question ‘which portal do you want?’ is left until last. First, the events are discussed: the allocation was opened, the region was locked, sub-sales fell, and returns went back to the original channel. If these events do not share the same identity, the system will not function, even if the screen displays multiple instances. Shopsoft maps out this sequence of events using your own documents; it does not impose a hypothetical process.

This is where the off-the-shelf package falls short. The package assumes the average retailer’s average basket. If your line is exclusive, your region overlaps, and your allocation is threshold-based, the package will either link every line to a person or not link them at all. A bespoke contract incorporates the exception into the rule; it does not leave the exception in the notes section.

Shopsoft’s analysis isn’t concluded with three unsubstantiated statements. ‘It’s complicated here’ isn’t enough. An open allocation, an overlapping province, and a leaking sub-price come to the fore. These documents reveal which rule is missing. A theme cannot be selected without a rule being written. The software does not hide your exception as if it were a source of shame; it records it.

Going live does not necessarily mean that all regions must launch the portal on the same day. The first phase finalises the region-line-allocation triad. The ‘window dressing’ only makes sense if this triad is sound. Otherwise, it merely hides the reality of working with Excel behind a pretty screen. Shopsoft does not make this sequence a matter for negotiation; it is a condition of the deal.

In exploration, the phrase ‘connect first, then the zone’ often amounts to postponing the backbone. A blind connection does not singularise the record; it gives rise to a second zone. Shopsoft keeps the first segment narrow but does not leave it unrecorded. A narrow segment obscures the line’s identity. A line that is not closed returns to Excel the following month.

Custom software development is the host of the backbone. This page does not access it; it describes the sector cross-section. E-commerce software can carry the receiver channel. The channel is not a region. CRM software can hold the relationship; the relationship does not generate allocation. API development carries the business language; the language does not generate a line.

Core skills

A record is made at the point where the region intersects.

The headings below are not part of the portal brochure. They represent the specific areas within the sector that the distribution software actually needs to address. These areas are explored in greater depth on separate pages; here, an overview is provided.

Regional agreement

Provinces, channels and exclusivity zones are grouped under the same identifier based on their authority. Overlapping provinces and email confirmations are removed. It is not a separate map product; it is the point of origin of the cross-section.

Brand line lock

The line that is opened locks the neighbouring region. “Approximately the same SKU” is the second fact.

Draft allocation

The threshold is linked to risk, not to rank. Goods in transit do not give rise to a double sale. Human confirmation is not lost; it knows its place.

Sub-sales language

Sub-dealers or outlets all speak the same language. General B2B operates in this language; it isn’t compromised here.

Price tier

The lower price does not filter through to the central system. The central system’s upper limit does not drop to the lower level. The contract layer is on record.

Closing section

The area report does not hide allocations. The manager reads the closed line; they do not conceal open allocations.

Operational scenario

There should not be three zones for the morning allocation.

A typical morning: the producer opens a 12-item seasonal allocation. The regional threshold is exceeded for three items; these remain in the draft. For two items, a neighbouring province makes a request; this does not result in a duplicate entry. The authorisation comes from that distributor’s allocation; the phrase “I remember the old province” is not recorded.

In the afternoon, the sub-dealer reads the same record. The line drops, and the stock is linked to the sales line. The evening closing figures are derived from the approved allocations. The status is visible: draft, locked, distributed. There is no chain of telephone enquiries asking, ‘Has it been allocated to the region?’

This scenario does not relate to a general B2B portal or logistics operations. It concerns the day-to-day operations of distributor management software. As the production side grows, software for the manufacturing sector is discussed on a separate page; the regional registration remains the same.

Shopsoft re-runs this morning’s exploration using your data. Which steps are carried out in Excel, which in email, and which with a ‘I know’ response? The software works with you to map out which of those steps to record.

In the second half of the same day, a return or line shift may occur. If there is no record, the rejected allocation becomes a new entry; the region and stock do not match. If there is a contract, the reverse transaction is linked to the original line. This is not a ‘problem-solving’ feature of the software; it is a natural consequence of the line ID.

Allocation surges on seasonal or promotional days. It operates not by locking in contracts, but through queues and rules. Users cannot write panic exceptions; the threshold remains in the draft. The administrator sees the risk of that day whilst the transaction is on hold, not in the following week’s report. Growth does not give rise to a new Excel spreadsheet; it adds rules.

The same backbone enables the opening of a new region through replicable authorisation. The new line replicates the section; it does not replicate the job ID. The new rule is versioned; the field does not ‘remember’ the old path. This is the promise of growth for the distribution model: not rewriting, but adding rules. The package resolves this growth by adding screens; the contract resolves it by adding records.

On most networks, a night-time outage means “we’ll look into it tomorrow”. If there is a contract, the half-allocation remains in the draft; a dual zone does not emerge in the morning. The condition is simple: an outage does not generate a second line. As the electronic line grows, software for the electronics sector remains within its own section; the zone record here is not overwritten.

How it works

First we listen to the area, then we draw the line.

This is not a sales portal presentation. The distributor software will not be launched until the details of the current allocation, route and closure have been finalised.

Request a meeting
  1. We read the repeating section

    Which province, which line and which depot acknowledge the same reality is investigated on the ground. The bottleneck is discussed before the need for a screen.

  2. We set up the line and allocation architecture

    Who will change what, and which region will be placed where, is planned from the outset. The portal is the result of this decision.

  3. We tie the tongue

    The approved architectural design is implemented. The manufacturer and the sub-distributor are linked to the same business language. The parallel Excel file is closed.

  4. As the network grows, we will adapt the system

    As new regions, new routes or new depots are added, the contract grows with you. It is not rewritten; a clause is simply added.

Integrations

Channels are not bridged; the language of the same region is used.

Distribution software does not exist in isolation. If allocation is managed by the manufacturer, stock is managed in the warehouse and the region is specified in the field note, each of these generates a separate record. Shopsoft does not aim to replace the existing system. Business records are linked to the same event.

Integration is not simply a matter of asking, ‘Is there an endpoint?’ It involves decisions such as ensuring that the target system accepts the same identifier when the allocation is lost, that the transaction remains in draft form if an error occurs, and that a retry does not result in a duplicate region. These decisions are embedded in the backbone. Webhooks, files or queues are selected as required; the same stack is not guaranteed for every project.

Custom software development creates a record. ‘Distribution’ is the sector-specific term for that record. Two ‘real’ records are not created. B2B software can carry the sales backbone; the backbone is not a region. The generated portal record does not replace the original record.

A discovery meeting to discuss the overlapping area and the brand’s positioning
A site survey is not a portal presentation; it is a business meeting where the realities of the area and the route are discussed.

It will become clear during the scoping phase which system is to be connected. A fixed list of technologies is not published. The architecture is kept flexible enough to protect your existing investment, yet strict enough not to disrupt operations.

Successful integration does not simply mean ‘connected’. Blind copying produces a second reality. Shopsoft distinguishes, during discovery, which allocations are real-time, which are in the queue, and which require human verification.

If the region, route and external channel do not fit within the line, the field is still closed by telephone. These elements are explored in greater depth on separate pages; the rule here is that the distributor does not disregard them, but links them to the sector’s terminology. If the link is broken, the contractual claim remains valid.

E-commerce software carries the receiver channel. The channel is not an assignment. CRM software holds the relationship. The relationship does not generate a line. API development carries the external event; the external event is not a region.

As the health line extends, healthcare software remains within its own operational section. This page does not override that section; it displays the zone boundary. The production side communicates with software for the manufacturing sector; production does not generate allocations.

Business benefits

Benefit isn’t a slogan; it’s the area being closed off.

The comparison below does not include fictitious KPIs. It compares breakages observed in the field with work closed upon contract completion.

A job that fell through Without a contract With distributor software
Region Email, Excel, overlapping province Single identity
Brand range Approximate SKU Lock or draft
Allocation Second sale of goods in transit The same incident
Minimum price A leak at headquarters Cross-section of a layer
Returns New documents Original line
Growth The new Excel office A rule is added

Technical approach

No portal promise; just regional discipline.

The technical approach does not mandate a specific protocol or cloud product for every project. The decision to opt for cloud, hybrid or existing servers depends on the company’s security and operational preferences. Shopsoft discusses this during the discovery phase; it does not present it as a set marketing line.

Recording is absolutely essential. The region line is unique. The line is versioned. The allocation event is linked to the task. Authorisation is implemented as data filtering, not screen hiding. The log answers the question: ‘Who changed which province?’ Without this discipline, a stylish portal becomes nothing more than a second Excel spreadsheet.

Scale is determined by allocation capacity rather than the number of users: concurrent reads, lock accounts, queues. The architecture ensures these locks are maintained in the right places. Should the need for multiple threads arise, the contract scales accordingly; not every scenario is over-engineered from day one.

Development is divided into approved architectural segments. The first segment is usually the trio of area, route and allocation. The portal’s finish only makes sense if this trio is sound.

The data model is locked in place before the screen is finalised. The region header, line ID, allocation lock, connection event and authorisation segment are distinct concepts. Merging these into a single ‘distributor record’ may be quick in the short term, but is fragile in the long term. Shopsoft does not promise a table name; it requires these distinctions to be maintained.

The test simulates conflict rather than a smooth path: the same allocation across two regions, threshold exceedance, partial distribution, line switching, and reverse movement. If these scenarios do not work, the portal taken live becomes a second Excel file. Performance metrics cannot be fabricated; queues and bottlenecks are discussed in relation to your allocation volume.

A contract that has been brought online does not close simply because the ‘portal is finished’. A new region type, a new line and a new warehouse all enforce the same identity. Shopsoft designs this enforcement not as a rewrite but as the addition of a rule. If a rule cannot be added, it means the architecture was designed too narrowly from the outset; this narrowness becomes apparent during the discovery phase.

The report layer sits above the contract; it does not replace it. The admin panel does not correct incorrect allocations. First, the region row, line version and link event are generated correctly; then the cross-section is read. The reverse of this reveals three truths behind the attractive graph. This distinction sets distribution apart from the flashy dashboard package.

A version update does not simply mean ‘we’ve opened a new screen’. The old system remains in place; a new rule is added, but the field cannot override the old process. Shopsoft does not market versions as a sales gimmick; it establishes them as a condition for the unhindered growth of the system. A contract that cannot be updated gives rise to a secret office the following year.

Security, scale, governance

Trust is not a slogan, but authority and a track record.

In distribution, security takes precedence over authorisation. A region cannot view the allocation of a neighbouring province. Operations cannot open the entire line. Finance will not force a closure until the lock is released. A role is defined by data boundaries, not a title. This page does not make any promises regarding penetration testing.

Governance specifies who is authorised to approve changes. Line updates, the opening of new regions and increases in authorisation are not carried out at random. They leave a trail. Business and personal data falling within the scope of the Personal Data Protection Act (KVKK) are subject to strict access and storage protocols, without the fabrication of official document numbers.

Scale is not a seasonal promise. Allocation expands. The system functions by queuing requests rather than locking them. Backups, WAFs or penetration tests are not promised with the same phrase in every project; they are discussed according to need.

Shopsoft is based in Istanbul. In global projects, the local communication layer integrates language and time zone differences into the operation. Confidential system details and case studies are not published; client logos may be displayed as a sign of trust.

A change in authorisation leaves a trace. “I opened the file just this once” does not go unnoticed. The version history shows who viewed what and when. This trace is not intended to instil fear of punishment; it is intended to put an end to end-of-month disputes.

Personal data and business information form part of the record. The purpose, duration and access are discussed during the discovery phase. The official document number is not finalised until it has been approved. Back-up and disaster recovery plans are designed according to the project’s requirements; the same infrastructure is not set up for every client.

The tip does not carry unauthorised sections. A key leak cannot be dismissed with a ‘we’ll look into it later’; the trail and cancellation are on record. Shopsoft does not market this discipline as a slogan. The contract is not extended until it is clear who will be responsible for which area during the survey.

Decision criteria

When choosing a distributor, the key factor is the region, not the portal.

We do not compare packages. The questions below will help you determine whether the contract is right for you.

The reality of a single region

Does the same allocation have three different identifiers in the email, the ERP system and the field note? If so, the software does not yet constitute a contract.

The owner of the line

Who changes the current brand line, and can the field override it? If it can be overridden, it is a person, not the system, who is making the decision.

Allocation lock

Does the opened line lock the goods on the track, or does the link come ‘afterwards’?

Growth

When a new region is added, do the rules increase, or is Excel rewritten?

Common mistakes

Offering a large basket of products is not the same as setting up a distribution business.

The first common mistake is to regard the distribution business as a general B2B operation. The portal and dashboard remain; the region stays in Excel. The user places an order, and head office re-enters it. The second mistake is trying to resolve every requirement on the same page. The portal, the logistics link and the production layer are separate entities; this page does not treat them as its primary focus.

The third mistake is to scrap the existing system and reinvent everything from scratch on the new portal. Registration details and documents are already available on most networks. Distribution does not ignore them; it links them to the industry’s terminology. The fourth mistake is to think that authorisation lies in hiding menus. A hidden menu can be bypassed via a command line or a report. Authorisation lies in the data.

The fifth mistake is to close the project once it goes live. The network grows, the system changes, and new areas are opened up. If the contract does not evolve, you’ll end up back with Excel. When Shopsoft talks about ‘ongoing support’, it does not mean selling software packages; it means ensuring the system can grow without compromising its integrity.

The sixth mistake is to treat the report as a substitute for the contract. A nice dashboard does not rectify an incorrect allocation. The seventh mistake is to resolve every exception on-screen. If an exception is not included in the rule table, the software becomes bloated every month. The eighth mistake is to treat the field and the head office as separate entities and say ‘integration later’. By the time ‘later’ comes around, the dual-track system will have become permanent.

Scope of this page

The region is described; general B2B and the portal are not covered.

This page outlines the sectoral breakdown of distribution software. The distributor portal, general B2B, logistics links and the production layer represent distinct search intents. The links are visible here; the page does not delve into them in depth. Depending on where the user is experiencing a bottleneck, they are directed to the relevant page.

If there is no contract, the sub-page will not expand. The portal, queue or channel generates a second value if the region ID is not unique. This is why the discovery process often begins with the section and allocation. The first segment defines the region, line and allocation triad. The remaining surfaces are linked to this triad.

Shopsoft does not publish package names, prices or demo CTAs. The decision depends on whether the registration aligns with your region and the actual closing conditions. The discovery process is free of charge. Documentation comes before the presentation. The software configures the contract according to the company; it does not assume the average basket size of the average retailer.

The field of work in which distributor appointments are processed through allocation documents
Distribution is not a large basket: it is based on the region. The column stems from the document.

This section is intended for networks where allocation is finalised in Excel or via email. Small-scale operations involving a single form, a single region and a single line often do not require this level of detail. If you’re looking for the convenience of a ‘shopping basket’, this page is not the right place.

During the Shopsoft discovery phase, you will be asked about your approval tier, the number of regions and where the line is drawn. The software will not be sold until the answer is clear. The decision hinges on whether the region-line-allocation triad shares the same understanding of the situation. Requesting a meeting does not constitute a binding offer; architectural matters are discussed once the documents are on the table.

The reader should take three things away from this text. Distribution is not a one-size-fits-all solution. The ready-made package allows for your specific requirements. Shopsoft draws up the contract based on your documentation; it does not publish the package name or price. The assessment process begins with a response within 24 hours. The first stage covers the region, route and allocation. The portal setup follows.

The final decision criterion is simple. If the same allocation carries three identifiers, there is no contract. If a person can override the valid line, there is no system. If the opened area does not lock, the other party is lying. If Excel is rewritten when a new line is added, there is no growth. If you cannot answer ‘no’ to these four questions, the meeting should begin with a document, not a slide presentation. Shopsoft requires that document; it does not sell packages.

The team, which has been developing software in Istanbul since 2004, brings over 700 agencies’ worth of infrastructure experience to this contract. No code is written until the ISO number has been approved. Client logos may be withheld; confidential architecture is not disclosed. No competitors’ names are mentioned. The CTA is ‘Request a Meeting’. There are no demos, pricing or package options. A response is provided within an average of 24 hours during working hours. The initial discussion does not constitute a binding offer.

The reader might say, “We already have a portal.” If so, the exploration still begins with the documentation. If the existing screen carries the same allocation across three identities, there is no backbone. Shopsoft does not discard the existing investment; it standardises the industry terminology. Terminology that is not standardised cannot grow by simply adding new shopping baskets.

Trust and recommendations

A claim cannot be inflated with unsubstantiated figures.

Shopsoft has been developing software under the SS Consultancy umbrella since 2004. It has provided infrastructure and software support to over 700 agencies in Turkey and abroad. Its headquarters are in Ataşehir, Istanbul. For international projects, a regional network is deployed to facilitate communication in the local language.

The ISO number or official scope of compliance is not stated definitively until the document has been approved. There are no fabricated performance percentages, customer figures or comparisons with competitors. Customer logos may be used as a sign of trust; confidential architectural details and case study details are not published.

The initial consultation is free of charge and there is no binding quotation. We aim to get back to you within 24 hours during office hours. There is no price list or package CTA. We will discuss the architectural aspects once your requirements are clear.

The requirements set out in the meeting are specific: a genuine allocation, an overlapping area, a lower price that’s been leaked. It is these documents, rather than a presentation slide, that define the contract. Shopsoft does not name competitors or set unrealistic KPIs. The decision comes down to whether the deal suits your business.

The team in Ataşehir, Istanbul, brings together a regional network that communicates in the local language on global projects under a single framework. Time zones and geographical differences are not a factor. They operate under the same framework and share the same identity. This claim is made without disclosing case details; client logos may remain as a mark of trust.

FAQ / AI response blocks

Clear answers about distribution software.

The answer will be brief. The scope will be clarified during the exploratory meeting, depending on your operation.

What is distribution software?

This is a sector registration where the region, brand line, allocation and sub-sales operate under the same commercial identity. Shopsoft does not sell this as a ‘one-size-fits-all’ package; it sets it up according to the registration. The choice of portal is a means to an end, not an end in itself.

Is it the same as the distributor portal?

No, it is not. The portal is intended as a workspace. Distributor software focuses on the sector. The two can be linked; their purposes are distinct.

Do you sell ready-made dealer packages?

No. Architecture comes into play where off-the-shelf solutions do not fit. It is not a ‘shopping list’; your specific circumstances regarding the area, route and allocation are taken as the basis.

Which stack are you using?

There is no fixed stack. The discussion centres on cloud, hybrid or existing server discovery. The condition is that the allocation must reside within a single identity.

Why are the B2B and e-commerce pages separate?

The search intent is distinct. This page describes the sectoral breakdown of the distribution sector. The sub-sections delve deeper into their own respective areas; they do not encroach upon one another’s primary focus.

Is there a charge for the initial consultation?

It is free of charge and there is no obligation to accept the offer. We aim to respond within 24 hours on average during office hours. The CTA is ‘Request a Meeting’.

Will the existing systems be scrapped?

The aim is not to single out a target; it is to link the reality of the region to a single language. How each line is to be connected will become clear during the exploration.

How long does it take to go live?

The duration depends on the current lack of coordination between the region, route and allocation. There is no fixed schedule. The first phase and any dependencies will become clear during the discovery phase.

Will adding a new region cause the system to restart?

It should not be written. Rules and sections are added; the scope of the work does not increase. If a rule cannot be added, the architecture is inherently limited.

Free discovery call

Let’s clarify your software need in 15 minutes.

B2B, ecommerce or custom software — we listen to the operation and draw the right architecture together. Not a sales pitch; a working session on what the project actually needs.

  • The discovery call is free and not a binding offer.
  • We typically reply within one business day.
  • No package SKU; architecture follows your company.

Start now

Request a meeting

Leave the form and the right team will reply. WhatsApp is also open — use whichever is faster.

Controller: Seo Software Danışmanlık Eğitim Telekomünikasyon Sanayi ve Ticaret Limited Şirketi. We use your details only to answer this request; marketing needs a separate opt-in.