Build, send and share HTTP, GraphQL and gRPC requests from a desktop or browser app, or call gRPC services from the command line.
Changes in this category (RSS)
| Tool | Stars | Licence | Terms | Self-hosted | Language | Latest | Last push |
|---|---|---|---|---|---|---|---|
| Probe | 66 | Apache-2.0 | Open source | No | Rust | v2.4.3 | 2026-11-10 |
| Hoppscotch | 81k | MIT | Open source | No | TypeScript | 2026.10.1 | 2026-11-05 |
| Bruno | 48k | MIT | Open source | No | JavaScript | v4.3.0 | 2026-11-11 |
| Insomnia | 40k | Apache-2.0 | Open source | No | TypeScript | core@13.4.0 | 2026-11-12 |
| Yaak | 19k | MIT | Open source | No | Rust | v2026.9.1 | 2026-11-11 |
| gRPCurl | 13k | MIT | Open source | No | Go | v1.9.4 | 2026-11-02 |
| Posting | 13k | Apache-2.0 | Open source | No | Go | 2.11.2 | 2026-10-16 |
| Requestly | 6.8k | Other | Open source | No | Unknown | changelog-2026.03.23 | 2026-11-11 |
| REST Client | 6.1k | MIT | Open source | No | TypeScript | v0.25.0 | 2026-04-23 |
| gRPC UI | 5.9k | MIT | Open source | No | JavaScript | v1.5.4 | 2026-11-02 |
| ATAC | 3.8k | MIT | Open source | No | Rust | v0.24.0 | 2026-10-19 |
| Restfox | 2.8k | MIT | Open source | No | TypeScript | v0.42.0 | 2026-11-10 |
| Slumber | 1.2k | MIT | Open source | No | Rust | v5.4.4 | 2026-11-11 |
13 tools
A fast, native, local-first API client and Postman alternative for macOS, Windows and Linux, with a CLI for CI and AI agents. Built with Rust and GPUI, using OpenCollection YAML.
Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia
Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)
The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.
The most intuitive desktop API client. Organize and execute REST, GraphQL, WebSockets, Server Sent Events, and gRPC 🦬
Like cURL, but for gRPC: Command-line tool for interacting with gRPC servers
The modern API client that lives in your terminal.
Community hub for Requestly API Client — bugs, feature requests, and roadmap. The privacy-first Postman alternative.
REST Client Extension for Visual Studio Code
An interactive web UI for gRPC, along the lines of postman
A simple API client (postman like) in your terminal
Offline-First Minimalistic HTTP & Socket Testing Client for the Web & Desktop
Terminal-based HTTP/REST client