AI-powered VS Code extension that generates OpenAPI specs from prompts, validates and lints contracts, runs security analysis, creates mock APIs & auto-generates documentation for faster integrations.
Cost / License
- Freemium
- Proprietary
Platforms
- Visual Studio Code

Free desktop API mocking platform. Create HTTP/REST and WebSocket mock servers with a modern UI. Perfect for developers, QA teams, and trainers.
Cost / License
- Free
- Proprietary
Platforms
- Mac
- Windows
- Linux

DevConverter is an online file converter with API and much more. We support nearly all audio, video, document, ebook, archive, image, spreadsheet, and presentation formats.
Cost / License
- Freemium
- Proprietary
Application types
Platforms
- Online
- Software as a Service (SaaS)


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The apicurio studio project is a standalone, self-hostable, web-based API design studio that can be used to create new or edit existing API designs (using the OpenAPI specification).
Cost / License
- Free
- Open Source (Apache-2.0)
Platforms
- Online
- Self-Hosted


The API documentation tool that creates interactive REST API documentation and developer portals in minutes. Auto-generate from OpenAPI & Swagger specs—no coding required.


























