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

SB

Reminds you to take regular breaks.

Fast and quiet screenshot, screen recording, instant replay tool for Windows and MacOS built on Rust.

B

Desktop image browser for booru-style APIs. Qt6, cross-platform, themeable, zero telemetry.

Network device inventory: identifies devices by MAC address, reads your router's ARP and DHCP tables and flow exports, and keeps a change history. Single Go binary with a web UI.

K

📋 Clipboard manager for vibe coders — native macOS menu-bar app. Text & image history, screen capture + annotation, scrolling capture, screen recording → video/GIF, OCR, on-device voice & meeting notes (or…

A powerfull extended cat command, to cat all the things you couldn't before.

A collection of Python security assessment and penetration testing tools: port and network scanning, SSH brute force, hash cracking, directory and subdomain enumeration, and web vulnerability scanning.

screencast is a screen capture program.

Multiplayer top-down shooter made from scratch in C++. Web version: https://play.hypersomnia.io Made in 🇵🇱.

JarkViewer is an image viewer, available on Windows.

A searchable, encrypted notepad for techs - rich text, inline images, real tables, full-text search, and tear-off .knote sharing.

NetMap is a self-hosted tool that gives you a proper overview of your home lab or small network. Map out your devices, track IPs, watch for things going down, and dig into firewall logs, all from one place, running on…

A high-performance Windows toolkit for Android screen mirroring, stealth camera capture, direct-to-PC recording, and cloud synchronization.

Port Scanner with Docker & Prometheus + Grafana integration. A tool for network auditing with multithreading support and real-time monitoring.

Interactive Windows system repair and maintenance tool providing automated diagnostics, file system checks, and Windows Update troubleshooting through a user-friendly command-line interface.

F

Your own private cloud in one executable. Share files, collaborate on code, and manage users without complex setup.

A pixel-art, and art scene focused viewer, organizer, and browser.

Offline Markdown editor/viewer — single HTML browser app and portable Windows exe.

Native Linux desktop launcher and GTK4/Libadwaita updater for Open Design.

Open-source desktop git client. GitKraken UX, Linear design. Tauri 2/Rust/React/shadcn.

This is Adwance and simple SNI finding tool.

GBF Asset Lookup, an image viewer for Granblue Fantasy.

L

LAN-Orangutan is a self-hosted network discovery tool. Find every device on your LAN, label and group them, snapshot your network and compare it later, and get flagged when something unexpected shows up.

N

NetPeek is a network analysis program, available on Linux.

Q

Challenging crown-placement logic puzzle. Infinite levels. No tracking & ads.

Plain-text Markdown todo app — native GNOME desktop (GTK4/libadwaita), CLI, and web UI with WebDAV/Nextcloud sync.

T

Timezones is a clock and alarm program, available on Linux: themes and dark mode.

A Windows teleprompter that floats over your slides but stays invisible to screen recorders like Panopto, OBS, Teams and Zoom. Voice scrolling included.

gunwall is a firewall, available on Windows.

Minimalist GTK4 frontend for LogMeIn Hamachi.

A minimalist web native image viewer, curation and tagging tool, and media server.

Create bootable USB drives on Linux, including Windows To Go.

A minimalist HDR image viewer optimized for large images.

High-performance Windows photo gallery for large image libraries. Built with Tauri 2, Rust, React & TypeScript.

A modern Git client for Android built with Kotlin, Android Studio, and Material Design 3.

image-viewer is an image viewer, available on Windows.

An OBS-style scene compositor, screen recorder and streamer in Rust, for Windows, Linux and macOS. Built on egui and media-pp.

PhotoQt Image Viewer (mirror repo) - https://photoqt.org - main repo (for pull requests, etc.) at https://gitlab.com/lspies/photoqt.

S

Todo manager based on the todo.txt syntax for Linux, free and open-source (FOSS).

D

Client for mobile baseband Diag interfaces.