GitHub gems: open-source software from small creators1,135 projects

A

A modern, native Android Jellyfin client built with Kotlin, Jetpack Compose, Material 3, and LibMPV.

A

Linux-native SmartSDR client for FlexRadio (FLEX-6000/8600) - Qt6 + C++20.

A

Amiberry is a console and retro computer emulator, available on Windows, macOS, Linux and Android: controller support.

A

Install, update and launch AppImages from any GitHub repository. Checksum-verified downloads, one-click roll back, menu entries and update alerts. A single AppImage itself, no setup.

A

Two-way sync between your phone and your own storage. No account, no ads.

A

🐱 Self-hosted RAG chatbot that researches company documents and cites every claim. Hybrid search (FAISS + BM25, RRF, OpenVINO rerank), a ReAct agent that creates and edits Word, Excel, PowerPoint and PDF files in chat,…

Emergency SOC/NOC gateway for Raspberry Pi — deterministic triage + local AI assist (Ollama).

A block-based 3D space crafting game: explore procedurally generated planets across many star systems, mine and craft, tame creatures, build ships, bases and your own space stations — solo or with friends.

B

Watch and open the BombVault backup servers you run yourself.

Booru Studio is a modern and easy to use image browser and download manager for public booru galleries 🖼️. It can run in it's own window or in a browser tab.

B

Butler is a home automation program, available on Linux.

CN-Musik is an Android music player that combines local music playback with a uniquely designed interface.

C

Open Asset Management Scaled to Millions. (Coming soon!).

CR

Capy Reader is an RSS reader, available on Android.

Chatgpt like GTK Linux Client for AI large language models.

Cross-platform CalDAV task management app.

Ciallo-Reader is an e-book reader, available on Android.

C

Open-source gesture keyboard with Termux support.

C

A free, open-source Android music player for YouTube Music with an iOS-style Liquid Glass interface, synced lyrics, Automix and Listen Together.

Your music Your freedom.. A clean, Music app for Android and a smooth, modern experience.

A native Mac screen recorder and editor, built in Rust.

D

Self-hosted Docker backup and restore with a visual server map. Move sites between servers safely, encrypted SFTP or S3 storage, verified restores.

D

Track your medications, get timely reminders, and manage your health with ease.

A local voice assistant for Home Assistant on old Amazon Echoes, with no Amazon software left on them: our own Linux userspace (emOS), our own audio pipeline, and a wake word that runs on the Echo, so nothing is sent…

EM

Write, organize, and draw notes with labels, checklists, and reminders.

EqualTune is a free system-wide audio equalizer for Windows. Shape everything your PC plays with a live parametric EQ, presets, per-app and per-device profiles, a live spectrum, and global hotkeys.

Accurate NES / Famicom emulation, derived from FCEUX. Experimental Game Boy Advance (Beta) support.

FP

Scan a document and get a clean PDF you can save or share instantly.

Offline roleplay app where characters have social media app. offline image generations including Sd1.5, SDXL, Flux, ZiT, Moss and Qwen image. Also terminal to run ubuntu and many more. The app is opensource and free.

FM

Advance audiophile grade offline music player.

Offline-first Android personal finance app — multi-module Clean Architecture, Jetpack Compose, Navigation 3, Room sync, architecture gates in CI.

FD

A simple and easy to use flash card to help you study.

G

Make phone calls and hold video conferences.

Free, open-source live rig for keyboard players: your VST3 sounds, setlists and chord charts, a song timeline with live controls, a stage-ready Perform mode and practice warm-ups. Windows, macOS and Linux.

G

📝 Glyph is a private desktop workspace for notes, documents, and ideas, with Markdown editing and built-in AI tools.

Fast segmented downloads, native HLS and DASH downloading, media extraction via yt-dlp and gallery-dl, torrents, and live stream capture, built with GTK 4 and libadwaita.

Cross-platform local voice typing and meeting transcription for macOS and Linux.

IA

Fast, refined app manager for power users, with root and Shizuku support.

Sovereign above myriad realms; shatter every mortal cipher.

K

Self-hosted, open-source Hi-Fi music system for Raspberry Pi & Linux, with on-device AI semantic search. This repo is the control app; the server is madenvel/KalinkaPlayer.