Top OPEN-SOURCE GitHub Repositories & Tools (2026)

🐹 Cleanup, app management, maintenance, disk analysis, and live status in one free, open-source, native Mac app + extensive support for AI agents.

The AI-Engineering Foundation Framework for CRM/ERP and commerce: open-source TypeScript, with multi-tenancy, RBAC, events and domain modules already decided as conventions and specs, so Cursor, Claude Code and Codex build features instead of re-deciding architecture. Start with 80% done.

A Weather app for android with multiple sources 🌦🌞☔

Simple DNS proxy with DoH, DoT, DoQ and DNSCrypt support

Payload is the open-source, fullstack Next.js framework, giving you instant backend superpowers. Get a full TypeScript backend and admin panel instantly. Use Payload as a headless CMS or for building powerful applications.

Open-source coding agent for your terminal, built in Rust and on a journey of continuous community improvement. Issues and PRs welcome.

📨 The ultimate agentic social media scheduling tool 🤖

Unrestricted Open-source alternative to AI video platforms — Free AI image & video generation studio with 600+ models (Flux, Midjourney, Kling, Sora, Veo). No content filters. Self-hosted, MIT licensed.

A curated list of awesome things related to shadcn/ui.

📻Free and open-sourced terminal/ssh/sftp/ftp/telnet/serialport/RDP/VNC/Spice client(Linux, Mac, Windows, Android, HarmonyOS, iOS)

Apereo CAS - Identity & Single Sign On for all earthlings and beyond.

Open source Product Information Management (PIM) and Digital Asset Management (DAM) platform built on Laravel — manage, enrich, and scale product data and digital assets beyond 10 million products. Free forever.

A framework that allows developers to cobble together a better UI for their own WPF applications with minimal effort.

A collaborative list of public APIs for developers

AI enabled pair programmer for Claude, GPT, O Series, Grok, Deepseek, Gemini and 300+ models

Examples and server integrations for generating the Swagger API Specification, which enables easy access to your REST API

Codebase intelligence for AI and humans: code health scores, auto-generated docs, git analytics, dead code detection, and architectural decisions via MCP.

Redot Engine – Multi-platform 2D and 3D game engine

KeePass-compatible password manager for iPhone, iPad, and Mac

AdGuard Content Blocking Filters