GitHub gems: open-source software from small creators1,155 projects

Lightweight FurMark GPU stress test utility for Windows — portable, OpenGL/Vulkan benchmarks, artifact detection, thermal validation, and burn-in testing.

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Geeqie is an image viewer, available on Linux: tags and folders.

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Play movies and audio files.

A MIUI / HyperOS-style Android music player with local playback, remote sources, online sources, word-by-word lyrics, floating lyrics, and FFmpeg decoding.

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Self-hosted home server dashboard for Docker, files, system monitoring, and secure remote access.

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Compare images side by side.

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Keyboard (IME) with tabbed file manager, offline word prediction and TAB key.

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An AI agent that runs on your phone and asks before it acts.

An agentic Personal Knowledge Management (PKM) system that turns raw, multi-disciplinary input into durable, interconnected, retrievable knowledge — and tells you exactly how much you can learn without falling behind.

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Private messages over Tor. No phone number, no account, no metadata trail.

An open-source historical strategy game about the Late Eastern Han Dynasty, inspired by Romance of the Three Kingdoms and classic grand strategy games.

A minimalist image viewer based on Leaflet.js and Electron.

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Private expense tracker: log in two taps and see what is safe to spend today.

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Discover and install online fonts.

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LordOS — a free, fast and secure GNU/Linux distribution based on Debian, with its own desktop environment: display server and Wayland compositor in C, a React UI engine on QuickJS, and private native apps.

A cross-platform AI chat application built with Flutter, supporting 10+ AI platforms with SQLite-based local storage and comprehensive conversation management.

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Download and manage lyrics.

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Mindwtr is a task management program, available on Windows, macOS, Linux, Android and iOS: offline use, reminders and due dates, attachments.

NES emulator firmware for the Waveshare ESP32-C6-LCD-1.47: nofrendo core, 60 fps landscape ST7789 output, BLE gamepads, single-button UI, live status bars.

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An app to help you capture thoughts & ideas.

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Offline music player with native C DSP engine, studio effects, visualizers & lyr.

Uses frequency analysis of audio to perform pitch detection and predict musical elements.

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A real smart home built like production infrastructure. Local-first, AI-powered, fully self-hosted: Home Assistant, Frigate, edge LLMs, agentic irrigation, and a 9U rack that runs the house.

Image viewer that browses images inside ZIP/CBZ/7z/tar/ZSTD archives.

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🎵 Local & Navidrome/Subsonic music player heavily inspired by Namida but FOSS.

Video Player Made using material YOU and mpv-android.

Video Player with Minimal and Smooth Look.

Lightweight screen recorder for Windows and Linux with an OBS Studio–style interface: hardware H.264 to MP4, desktop audio and mic, replay buffer, global hotkeys. Unofficial; not affiliated with OBS Studio.

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Comic and Manga reader.

A high-performance firmware port of the OpenFIRE lightgun project for the ESP32-S3, adding native wireless connectivity with ultra-low latency via ESP-NOW.

Cross-platform desktop Git client with a supervised AI assistant. Works with OpenAI, Claude, Ollama — or no AI at all.

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Open source self-hosted HR and employee attendance system, developed by the help of Google AI Studio, Claude Code - DeepSeek AI without prior knowledge, zero cost, zero knowledge, production ready, Supabase…

AList/OpenList sync automation for fnOS, NAS and Docker | Cloud Sync-style backup, mirror and migration.

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Oxyde is a modern, high-performance file manager designed for efficiency and speed. Built on a powerful Rust core with a sleek GPUI interface.

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All-in-one PDF and image toolkit for Android.

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Parlatype is a media player, available on Linux.

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Allow you to manage the credentials stored in your Nextcloud Passman app.

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Password Safe is a password manager, available on Windows and Linux: two-factor authentication.

Your cluster, preserved in a jar. Reverse GitOps: every Kubernetes object, kept in Git.

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A local-first music player for Windows with rich lyric support, desktop lyrics, and a wide range of audio formats.