Repository Index

Open-Source API Development Ecosystem • https://hoppscotch.io • Offline, On-Prem & Cloud • Web, Desktop & CLI • Open-Source Alternative to Postman, Insomnia

• api
• api-client
• api-rest
• pwa

An interactive TLS-capable intercepting HTTP proxy for penetration testers and software developers.

• python
• security
• man-in-the-middle
• tls

The open-source, cross-platform API client for GraphQL, REST, WebSockets, SSE and gRPC. With Cloud, Local and Git storage.

• electron-app
• rest-api
• api-client
• curl

HTTP, HTTP2, HTTPS, Websocket debugging proxy

• fiddler
• charles
• hosts
• web

Browser-based frontend to gdb (gnu debugger). Add breakpoints, view the stack, visualize data structures, and more in C, C++, Go, Rust, and Fortran. Run gdbgui from the terminal and a new tab will open in your browser.

• gdb
• c
• python
• gui

Community hub for Requestly API Client — bugs, feature requests, and roadmap. The privacy-first Postman alternative.

• open-source
• api-client
• api-testing
• developer-tools

No-code in the front, Python in the back. An open-source framework for creating data apps.

• data-apps
• data-visualization
• python
• websockets

A High Performance HTTP Server for Ruby

• http
• ruby
• fast
• web

Fast, native API client for REST, gRPC, WebSocket and GraphQL. A local-first Postman alternative written in Go: no Electron, no account, no cloud.

• api
• golang
• grpc
• rest

Ultra-fast websocket client and server for asyncio

• asyncio
• python
• websocket
• websocket-client

Remote control for your pi coding agent. Pi-Remote mirrors live pi terminal sessions to any browser, so you can watch runs, answer prompts, and send commands from your phone — end-to-end encrypted over a self-hosted relay.

• developer-tools
• pi
• pi-coding-agent
• react

Talk to Claude Code and Codex by voice, from your phone, on any of your machines. The open-source box agent for pitupitu.chat; your agents run in herdr.

• agent-orchestration
• ai-agents
• ai-coding-assistant
• claude-code

High-performance, multi-protocol mock server. HTTP, WebSocket, gRPC, MQTT, SSE, GraphQL, SOAP in one binary.

• api-mocking
• cli
• developer-tools
• golang

IXSI - Interface for X-Sharing Information documentation

• travelinformation
• carsharing
• websocket
• xml