BizHawk is a multi-system emulator written in C#
MAME is a multi-purpose emulation framework
Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc
Open source CSS framework for data visualization
A better aria2 desktop frontend than AriaNg, containing all features
The App Framework for Startups
The application worker driven frontend framework
Qiling Advanced Binary Emulation Framework
Open source online judge based on Vue, Django and Docker
Cross platform Neovim front-end UI, built with F# + Avalonia
x86 Multi-Core Microprocessor and assembler simulator written in C++