Top CA GitHub Repositories & Tools (2026)

Self-hosted family planner - tasks, calendars, shopping, meals, budget. Your data, your server.

Fast and extensible multi-platform HTTP/1-2-3 web server with automatic HTTPS

Mac Sai: the open-source Mac cleaner, optimizer, and malware scanner. A free, Apple-notarized alternative to CleanMyMac, built with Swift 6 and SwiftUI.

Built from the ground up for speed. Flectar Mail delivers native performance, instant startup, and as little as 20 MB of RAM.

If you live in the terminal, kitty is made for you! Cross-platform, fast, feature-rich, GPU based.

Open-source IDS/IPS, WAF and bot detection for Linux, Windows, Docker and Kubernetes, with a crowdsourced blocklist of malicious IPs.

Codebase intelligence for TypeScript and JavaScript. Health, complexity hotspots, duplication, architecture boundaries, circular dependencies, design-system drift, and unused code, from one graph. CLI, GitHub Action, LSP, MCP, and VS Code. Rust, MIT licensed.

🧱 easy, fast, programmable and local-first microVM runtime

Real-time clipboard sync across all your devices — local-first, peer-to-peer, and end-to-end encrypted. No account. No cloud dependency. No central server.

High-performance code-intelligence engine for AI agents and IDE, supports 257 languages, multi repositories, based on graph, with access via CLI, MCP Server, and API. AI coding agents teammate - expose only needed information, cutting token usage up to 50x. 100% local. Discord: https://discord.gg/39MFHu3J5d

ODS V3 Pre-Release: Public testing and refinement ahead of the official V3 launch. Turn your PC, Mac, or Linux box into a private AI server.

A self-hosted dashboard for CrowdSec: investigate alerts, manage decisions, monitor runtime metrics, and send notifications from one responsive UI.

Zero-copy, content-addressed Rust build cache for Rust, C/C++ and more. No copies, no wasted disk

An open-source, local-first writing workspace where you can write with Claude Code and Codex, drawing on your own sources and past work.

A trustworthy context layer for AI that remembers, plans and acts — free text into typed commitments, decisions and memories, each with its evidence, in a SQLite file you own. MCP, HTTP, library and typed client.

[MLsys2026 Best Paper]: https://arxiv.org/abs/2506.08276. RAG on Everything with LEANN. Enjoy 97% storage savings while running a fast, accurate, and 100% private RAG application on your personal device.

Discover and replace proprietary apps with FOSS alternatives

JavaScript 3D Library.

Local-first research memory for Codex: checkpoints, progress ledgers, and Markdown/JSON paper notes. Early alpha.

Native iOS agent console for herdr — watch and drive the coding agents on your machines over SSH, with a real libghostty terminal, QR pairing, and push notifications when an agent needs you