Open Source API Development & Testing Tools Projects
Tools for designing, testing, documenting, and managing APIs used by developers and engineering teams.
View best api development & testing tools ranked by popularity
Bruno
Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)
HTTPie
π HTTPie Desktop β cross-platform API testing client for humans. Painlessly test REST, GraphQL, and HTTP APIs.
Hoppscotch
Open source API development ecosystem - https://hoppscotch.io (open-source alternative to Postman, Insomnia)
Insomnia
The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.
Maxun
Open-source no-code platform for web scraping, crawling, search and AI data extraction.
Firecrawl
Scalar
Scalar is an open-source API platform:γγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγπ Modern Rest API Clientγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγπ Beautiful API Referencesγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγγβ¨ 1st-Class OpenAPI/Swagger Support
Yaak
The most intuitive desktop API client. Organize and execute REST, GraphQL, WebSockets, Server Sent Events, and gRPC π¦¬