ESP8266 core for Arduino
Emulator for the Game Boy, Game Boy Color, and Game Boy Advance
smart and open source document management system
Noob-proof (N)3DS Custom Firmware
witr exists to answer "Why is this running?"
Open source, cross-platform, user-mode tablet driver
Open Source Continuous File Synchronization
Market leading real time kernel for 40+ microcontroller architectures
The ultimate cataloguer
Three-finger trackpad gestures for middle-click and middle-drag
The Active Monitoring System
Powerful system task manager
Windows Bootable USB creator for macOS
Creating bootable macOS and OS X USB drives has never been easier
Manage port forwardings via UPnP
Open source cross-platform Java Visual Traceroute
Boot menu and maintenance toolkit for EFI-based machines
A Flash Player emulator written in Rust
BizHawk is a multi-system emulator written in C#
Linux System Optimizer and Monitoring