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Simple B2B ordering without customer accounts.

The modern platform for creating, sharing, and collaborating on AI prompts. Advanced version control and real-time testing.

Website, pricing, platforms and company facts side by side.
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| Website | vezalink.com | diffyn.com |
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| Company | Startup from the Czech Republic · 1 - 9 employees · 2026 | — |
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In their own words, as submitted to SaaSHub.


VezaLink is a simple B2B ordering platform designed for businesses that regularly sell products to the same customers. Sellers create and manage their product catalog, customer list, customer-specific pricing, and incoming orders from one dashboard. Each customer receives a private ordering link,...
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As answered by people managing VezaLink and Diffyn.
VezaLink's answer
Vezalink gives each business customer a private ordering link instead of requiring them to create and manage an account. Buyers can browse their seller's catalog, see their pricing, place orders, and reorder through the same link. It is designed specifically to make repeat B2B ordering simple for both sellers and their customers.
Diffyn's answer:
Addresses workflow and change management on LLM prompts, provide teams with traceability and visualization of tests across multiple models, provide deeper understading into efficiency of these prompts.
VezaLink's answer
Vezalink focuses on repeat B2B ordering without the complexity of running a traditional ecommerce storefront. Sellers can manage their catalog, customers, customer-specific pricing, orders, delivery scheduling, and reporting from one place, while buyers get a simple private ordering experience without usernames or passwords. Vezalink also offers one straightforward plan with unlimited buyers, products, and orders.
Diffyn's answer:
Diffyn is the platform that specializes on both change management and multi-model analysis.
VezaLink's answer
Vezalink is built with Django and Django REST Framework on the backend, Next.js and React on the frontend, and PostgreSQL for data storage. The application is deployed as a web-based SaaS platform.
Diffyn's answer:
React, Next.js, POSTGRESQL
VezaLink's answer
Vezalink is built for small and growing B2B sellers that regularly sell products to the same customers. This includes wholesalers, distributors, suppliers, producers, and other businesses that want a simpler way to handle repeat orders without maintaining a full ecommerce storefront or requiring every customer to create an account.
Diffyn's answer:
Professionals incorporating LLMs or AI tools in their workflow and wants to keep track of changes and test their prompts.
VezaLink's answer
Vezalink was created around a simple idea: repeat B2B ordering should not require a complicated ecommerce system. Many businesses sell to an established group of recurring customers who simply need an easy way to see what is available and place their next order. Vezalink was built to provide that workflow through private buyer links while giving sellers the tools needed to manage catalogs, customers, orders, pricing, delivery scheduling, and reporting.
Diffyn's answer:
I started working on Diffyn when I notice that prompting has become an essential part of work across many industries. While there are version control platofrms like github, they are not designed for just prompt management are can be overkill such applications, it is also not integrated natively with various LLMs and relevant tools for users to validate ideas and visualise results properly.
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