the open source movement

API tools

8 open source projects, ranked by health and re-checked every week.

Replacing:− Postman

Ranked by health

  1. HoppscotchAPI development platform for building and testing REST, GraphQL and WebSocket requests, available on web, desktop and CLI.★ 81k MIT TypeScript self-host managed
  2. BrunoOffline-first API client that stores collections as plain-text files on your filesystem for versioning with Git.★ 47k MIT JavaScript self-host
  3. InsomniaThe open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.★ 40k Apache-2.0 TypeScript self-host managed
  4. YaakDesktop API client for organizing and sending REST, GraphQL, WebSocket, Server-Sent Events and gRPC requests.★ 19k MIT TypeScript self-host
  5. ScalarAPI platform with a REST API client and interactive API reference docs generated from OpenAPI documents.★ 16k MIT TypeScript self-host managed
  6. ATACTerminal-based API client for building, sending and organizing HTTP requests in collections.★ 3.7k MIT Rust self-host
  7. API DashCross-platform desktop and mobile API client built with Flutter for creating and testing HTTP and GraphQL requests.★ 2.9k Apache-2.0 Dart self-host
  8. VoidenOffline API workspace for designing, testing and documenting APIs in Markdown files versioned with Git.★ 1.9k Apache-2.0 TypeScript self-host