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

Insomnia is an open-source, cross-platform API client that supports GraphQL, REST, WebSockets, SSE, and gRPC protocols. It provides comprehensive API debugging, design, testing, and collaboration capabilities with flexible storage options including local, cloud, and Git-based solutions.
Insomnia is designed for API developers, backend engineers, and DevOps teams who need a powerful, open-source alternative to proprietary API clients. It's ideal for teams requiring flexible storage options, comprehensive protocol support, and collaboration features without sacrificing security or data privacy.

Playwright is a framework for Web Testing and Automation. It allows testing Chromium, Firefox and WebKit with a single API.

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)

Scalar is an open-source API platform: 🌐 Modern REST API Client 📖 Beautiful API References ✨ 1st-Class OpenAPI/Swagger Support

Free and open-source API Client & Interceptor.

🌐 The Internet Computer! Free, Open-Source, and Self-Hostable.

:hedgehog: PostHog is the leading platform for building self-driving products. Our developer tools – AI observability, analytics, session replay, flags, experiments, error tracking, logs, and more – capture all the context agents need to diagnose problems, uncover opportunities, and ship fixes. Steer it all from Slack, web, desktop, or the MCP.

Infisical is the open-source platform for secrets, certificates, and privileged access management.

A self hosted virtual browser that runs in docker and uses WebRTC.

Weighs the soul of incoming HTTP requests to stop AI crawlers

Kodi is an award-winning free and open source home theater/media center software and entertainment hub for digital media. With its beautiful interface and powerful skinning engine, it's available for Android, BSD, Linux, macOS, iOS, tvOS and Windows.

Ready-to-use Media-over-QUIC / SRT / WebRTC / RTSP / RTMP / LL-HLS / MPEG-TS / RTP live media server and media proxy that allows to read, publish, proxy, record and playback real-time video and audio streams.

Free and Open Source Machine Translation API. Self-hosted, offline capable and easy to setup.

ActivityPub-federated video streaming platform using P2P directly in your web browser

Style and Grammar Checker for 25+ Languages