Produkt.so is a sleek, Notion-inspired help center platform built for tech startups and small teams. It offers a fast, block-based editor to write articles, organizes content into collections, and supports attachments up to 50 MB.




Postkit is described as 'Allows developers to quickly prototype API endpoints to use in their applications and websites. It’s great if you just need some JSON endpoints for your web app or to capture inputs from an HTML form' and is an website in the development category. There are more than 10 alternatives to Postkit, not only websites but also apps for a variety of platforms, including Linux, SaaS, Mac and Windows apps. The best Postkit alternative is Produkt.so, which is free. Other great sites and apps similar to Postkit are Docsie, swagger.io, API Astrolab and Stoplight.
Produkt.so is a sleek, Notion-inspired help center platform built for tech startups and small teams. It offers a fast, block-based editor to write articles, organizes content into collections, and supports attachments up to 50 MB.




Docsie is a multilingual documentation solution that reduces documentation time by 60% through features like collaborative editing, real-time updates, a searchable repository, interactive checklists, and AI-powered chatbots. It also enables automation, version control, media upload, and supports diverse languages.





The API Astrolab enables today’s API-first companies to show their API products in a visual way so that anyone can understand how they work.



Stoplight is an API Design, Development, and Documentation platform that enables consistency, reusability, and quality, all with an easy, enjoyable developer experience.

Api Open Studio allows you to quickly create and manage APIs with full business and processing logic and user management, using low-code. As a result, you can save important time and money by dedicating your resources on other tasks, while at the same time maintaining the...



Design and debug APIs in a powerful visual editor. Describe and debug easily with JSON Schema support. Apidog is a complete set of tools that connects the entire API lifecycle, helping R&D teams implement best practices for API Design-first development.




ReadMe is a completely customizable and collaborative place for dynamic API and/or product documentation. Users can play around with the API right in the docs, automatically generated from a Swagger / OAS file. It also works as a knowledge base platform.


RestCase is a security-focused API development platform that enables its users to rapidly create secure microservices, mock them in order to start testing, monitor APIs and collaborate on their development and testing.


Tyk Cloud is a full-featured API management platform based around the open source Tyk API gateway, that means you get all the features of the open source version without any of the integration and implementation headaches.

