Opensource GitHub Repositories (2026) · Open Source Tools

OpenBook is an open source Jazz real book

The self-hosted Linktree alternative. Import from any competitor in 30 seconds. Multi-page, privacy-respecting analytics, one-line install.

Free open source client for OctoPrint

WebDAV/gRPC/HTTP high performance server to link high level clients to storage backends

:earth_africa: BeWelcome lets you share a place to stay, connect with travellers, meet up and find accommodation on your journey. It is and will always be a free, open source, non for profit, democratic community.

An open-source, cloud-native, high-performance gateway unifying multiple LLM providers, from local solutions like Ollama to major cloud providers such as OpenAI, Groq, Cohere, Anthropic, Cloudflare and DeepSeek.

Looking for an open-source alternative? Read me.

Open source reporting and monitoring tool for Bacula

The open-source active RFID system developed by Touraj Ghaffari. This was his life work and we hope it helps you achieve your dreams.

Embrace's Swift SDK built on OpenTelemetry

Build a Calendar By Pure SwiftUI

EASA Web Pilot Logbook

Beautiful DaisyUI-styled components for Avalonia UI in C#

extract and tweak data from electrochemical tests of cells

CIDRAM: Classless Inter-Domain Routing Access Manager.

AWS Distro for OpenTelemetry Java Instrumentation Library

The world's first open-source Brawl Stars v24 private server emulator, written in C#.

DevStart Lab - An interactive open-source platform to learn programming, explore real projects, and contribute to GitHub.

transit: an open-source DAW in Rust with native ASIO (no SDK), measured latency, and plug-ins that cannot freeze the window. Cubase bones, Ableton manners.

a rust-native Modelica compiler for fast, composable, scientific computing