Mupen64Plus is a cross-platform plugin-based Nintendo 64 (N64) emulator which is capable of accurately playing many games. This package contains the Glide64MK2 video plugin.

Cega is a cycle accurate emulator for the Sega SG-1000, Master System, and Game Gear written specifically for The Jolly Good API. Mega Drive emulation is in an experimental state.

RISC-V CPU simulator for education purposes with pipeline and cache visualization. Developed at FEE CTU for computer architecture classes.

Libretro is a simple but powerful development interface that allows for the easy creation of emulators, games and multimedia applications that can plug straight into any libretro-compatible frontend. RetroArch is the official reference frontend for the libretro API, currently used by most as a modular multi-system game/emulator system.

Dolphin is an emulator for two Nintendo video game consoles: the GameCube and the Wii. It provides compatibility with all PC controllers, turbo speed, networked multiplayer, and graphical enhancements.

MAME's purpose is to preserve decades of software history. As electronic technology continues to rush forward, MAME prevents this important vintage software from being lost and forgotten. This is achieved by documenting the hardware and how it functions. The source code to MAME serves as this documentation.

emu8051 is a simulator of the 8051/8052 microcontrollers.

Enchant is a library---and command-line program---that wraps a number of different spelling libraries and programs with a consistent interface. By using Enchant, you can use a wide range of spelling libraries, including some specialized for particular languages, without needing to program to each library's interface. If it's not convenient to call a C library, you can access most of Enchant's functionality via the enchant program, which communicates over a pipe, like Ispell, and is indeed Ispell-compatible.

PyEnchant is a spellchecking library for Python, based on the Enchant library. PyEnchant combines all the functionality of the underlying Enchant library with the flexibility of Python. It also provides some higher-level functionality than is available in the C API.

Nuspell is a fast and safe spelling checker software program. It is designed for languages with rich morphology and complex word compounding. Nuspell is written in modern C++ and it supports Hunspell dictionaries.

Enchant is a library---and command-line program---that wraps a number of different spelling libraries and programs with a consistent interface. By using Enchant, you can use a wide range of spelling libraries, including some specialized for particular languages, without needing to program to each library's interface. If it's not convenient to call a C library, you can access most of Enchant's functionality via the enchant program, which communicates over a pipe, like Ispell, and is indeed Ispell-compatible.

This package provides a computer algebra system geared towards field theory. This package is mostly meant to be used by texmacs and mogan.

The OndselSolver library for assembly constraints and multibody dynamics is used by FreeCAD 1.0.0 for its new Assembly workbench.

Meep is a finite-difference time-domain (FDTD) simulation software package developed at MIT to model electromagnetic systems.

cutecom is a graphical serial terminal, like minicom. It is aimed mainly at hardware developers or other people who need a terminal to talk to their devices.

Area is a CAM-related software for pocketing operation.

This project provides library and associated python-module to compute pocket operations.

Fastcap is a capacitance extraction program based on a multipole-accelerated algorithm.

Lepton EDA ia an electronic design automation (EDA) tool set forked from gEDA/gaf in late 2016. EDA tools are used for electrical circuit design, schematic capture, simulation, prototyping, and production. Lepton EDA includes tools for schematic capture, attribute management, bill of materials (BOM) generation, netlisting into over 20 netlist formats, analog and digital simulation, and printed circuit board (PCB) layout, and many other features.

PyVISA-py is a backend for PyVISA that implements most of the methods for Message Based communication (Serial/USB/GPIB/Ethernet) using Python and some well developed, easy to deploy and cross platform libraries.

LibreCAD is a 2D Computer-aided design (CAD) application for creating plans and designs.

A restartable sequence is a critical region delimited by a program where if its execution is preempted or interrupted, the kernel will divert the program control flow to a defined abort handler. They are a good alternative to atomic operations for critical fast paths and are usually used in the context of per-cpu data. The library offers ABI headers to interface with the kernel and various utilities such as per-cpu counters.

Libctl is a Guile-based library implementing flexible control files for scientific simulations.

QElectroTech, or QET in short, is a desktop application to create diagrams and schematics. The software is primarily intended to create electrical documentation but it can also be used to draw any kinds of diagrams, such as those made in pneumatics, hydraulics, process industries, electronics, and others.

Inspekt3d is a lightweight 3D viewer for Libfive written in Guile Scheme. The viewer can be used interactively with a REPL (for example Geiser in Emacs).