Open Source C Software & Tools

Discover the best open source software and alternatives built with C. Explore top tools, compare features, and find the right solution.

A simple, lightweight home media server for UNIX systems.

A community-led fork of Organic Maps. Free offline maps for Android and iOS with no ads, no tracking, and no data collection.

A beautiful terminal email client built with Go and Bubble Tea. An open source alternative to Superhuman and Outlook for the command line.

Get up and running with Llama 3.3, DeepSeek-R1, Phi-4, Gemma 3, Mistral Small 3.1 and other large language models.

Menu-bar thermal monitor and workload governor for fanless Macs.

Free and open source software for live streaming and screen recording.

Free offline maps app for travelers, hikers, and cyclists using OpenStreetMap data. No ads, no tracking.

OpenVPN is an open source VPN daemon

An agentic development environment built on a modern Rust terminal emulator with AI-powered coding features.

Open-source AI agent toolkit with an interactive coding agent CLI, unified multi-provider LLM API, and TUI libraries.