BizHawk is a multi-system emulator written in C#
MAME is a multi-purpose emulation framework
Third-party TI-84 Plus CE / TI-83 Premium CE emulator
Simple DirectMedia Layer
Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc
Simple Directmedia Layer
Qiling Advanced Binary Emulation Framework
Proxy for Lambda’s Runtime and Extensions APIs
Accelerate your development workflow with one-click build launches
wwwBASIC is an implementation of BASIC that runs on Node.js & the Web
Versatile typeface for code, from code
Console-based user interface toolkit for .NET applications
Your entire server infrastructure at your fingertips
The Fish Shell Framework
blingful character graphics/TUI library. definitely not curses
Rust for native business logic, Flutter for flexible and beautiful GUI
A portable library and tools for archiving images of Atari 8-bit tapes
Jexer - Java Text User Interface Library
Terminal text colorizing and simplifies script coding.
Binary Modular DataFlow Machine (BMDFM)
JavaScript framework to build game engines, games, emulators and apps
Search and manage batches of D64/etc files.