Top SOFTWARE GitHub Repositories & Tools (2026)

State-of-the-Art Source Code Plagiarism & Collusion Detection. Check for plagiarism in a set of programs.

The Open Source Disassembler

Free, open source mental health communication web app to share experiences with loved ones

Easily access public holidays for 200+ countries via .NET, REST API, Docker, or NuGet for online and offline use.

Cross-platform video editing (compositing) software.

Creates CycloneDX Bill of Materials (BOM) for your projects from source and container images. Supports many languages and package managers. Integrate in your CI/CD pipeline with automatic submission to Dependency Track server

Understand any codebase instantly. System intelligence for codebases, built for humans and AI.

Open-source, feature-rich Minecraft: Bedrock Edition server written in Java. Supports custom items, blocks, entities, full vanilla commands, advanced mob AI, and world generation. Not affiliated with Mojang AB.

A framework for modding and instrumenting games.

Eclipse hawkBit™

Platform for Machine Learning projects on Software Engineering

An open-source Low-Code development framework for .NET developers. Create .NET based business applications with 80% less code.

Modern Jira REST API client for JavaScript & TypeScript — Jira Cloud API v2/v3, Agile & Service Desk. Type-safe, tree-shakable, works in Node.js and browsers (ESM/CJS).

POS open-source, simple things only need simple solutions

Deterministic, local-first memory and guardrails for AI coding agents with no LLM in the hot path.

Autonomous Engineering

CPAchecker, the Configurable Software-Verification Platform (read-only mirror)

A simple tool that gets the current track from Spotify, YouTube and Nightbot.

Enterprise Information Service

lsFusion is an extremely declarative open-source language-based platform for information systems development