1.usebruno / bruno
Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)
Ranked by Attention Score: stars gained over the last 30 complete days
21 repositories by Attention Score · Oct 4, 2026 – Nov 2, 2026 (UTC)
Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)
Connect your agents & product to 1,000 APIs.
Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia
Scalar is an open-source API platform: 🌐 Modern REST API Client 📖 Beautiful API References ✨ 1st-Class OpenAPI/Swagger Support
The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.
🥧 HTTPie CLI — modern, user-friendly command-line HTTP client for the API era. JSON support, colors, sessions, downloads, plugins & more.
OpenAPI Generator allows generation of API client libraries (SDK generation), server stubs, documentation and configuration automatically given an OpenAPI Spec (v2, v3)
Official CoinPaprika API Go client — coin prices, tickers, OHLCV, exchanges, and global market stats.
Fast, native API client for REST, gRPC, WebSocket and GraphQL. A local-first Postman alternative written in Go: no Electron, no account, no cloud.
Community hub for Requestly API Client — bugs, feature requests, and roadmap. The privacy-first Postman alternative.
The power of curl, the ease of use of httpie.
Automated API Testing and Quality Assurance
C++ Discord API Bot Library - D++ is Lightweight and scalable for small and huge bots!
A Discord API wrapper library made in C
One API for every LLM: 170+ providers through one client, with a Rust core and native bindings for every major language.
A Python package for automating VideoIPath configuration workflows.
OpenAI API + Ruby! 🤖❤️ GPT-5 & Realtime WebRTC compatible!
✨ Golang Client Library for Atlassian Cloud.
Adyen API Library for .NET
Ruby wrapper for the Qdrant vector search database API
Ruby wrapper for the Weaviate vector search database API