Opensource GitHub Repositories (2026) · Open Source Tools

Real-time global intelligence dashboard. AI-powered news aggregation, geopolitical monitoring, and infrastructure tracking in a unified situational awareness interface

Free and open-source PDF editor for Windows with a built-in PDF 2.0 engine. View, annotate, OCR, merge, split, crop, rotate, compare, edit text, draw, sign, fill forms, print, flatten, and open password-protected PDFs without a subscription.

The open-source AI workbench for scientific research

Opensource IDE For Exploring and Testing API's (lightweight alternative to Postman/Insomnia)

Opensource, on-device voice + vision layer for AI agents. Bring any model or coding agent; the whole speech loop (VAD, STT, TTS, barge-in) runs locally. An open alternative to ElevenLabs Agents, Gemini Live, and OpenAI Realtime.

☁️ Nextcloud server, a safe home for all your data

A multi-platform document and e-book reader.

LeanType is an Open-source keyboard, fork of HeliBoard with additional features and customisation

Space exploration, trading, and combat game.

Zoomies is a lightweight, self-hosted GitHub Actions runner fleet controller. Ephemeral runners by default, GitHub App auth, webhook-driven autoscaling, multi-host agents, a polished live web UI, and a one-line interactive installer. Single Go binary, SQLite, no Kubernetes.

Docs is an open-source text editor: web-native, made for real-time collaboration, cleanly structured documents and sub-documents with full ownership of your data. Built to scale with Django and React.

Self-hosted dark web OSINT platform. Automated threat intelligence from query to graph in 13 steps. Free alternative to Recorded Future, DarkOwl, and Flare.

An open-source, cross OS, community-driven launcher. A lightweight alternative to Spotlight and Raycast. Made with ❤️ from Viet Nam 🇻🇳

The ZAP by Checkmarx Core project

Libre Hardware Monitor is free software that can monitor the temperature sensors, fan speeds, voltages, load and clock speeds of your computer.

An open source, turn-based strategy game with a high fantasy theme.

Opensource automated insulin delivery system (closed loop)

📱 Nextcloud Android app

Parseable is an open source, unified infrastructure observability platform built in Rust on a data lake architecture. It tracks logs, metrics, traces, and events across apps, agents, and systems, reducing storage costs by up to 90% through columnar telemetry compression.

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