: gEDA provides a cohesive suite of open-source electronic design automation tools for schematic capture, simulation, PCB layout, and library management. It enables integrated workflows from circuit conception through analysis and board fabrication, emphasizing...
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Gerris
Gerris is an open-source adaptive mesh Navier–Stokes solver for multiphase and free-surface flows, offering dynamically refined quadtree/octree grids, parallel computation, and robust boundary-condition handling for complex fluid dynamics simulations in two- and...
GetFEM++
GetFEM++ is a versatile open-source finite element library providing robust tools for discretization, advanced element formulations, mesh handling, and solver integration across multiple physics domains. It enables customized model development, scripting, and...
GMAT (General Mission Analysis Tool)
GMAT is a NASA-developed mission-analysis and trajectory-optimization tool that models spacecraft dynamics, guidance, navigation, and control, enabling complex mission design, orbit transfers, rendezvous, and interplanetary trajectory optimization. It integrates...
Godot
Godot is an open-source, cross-platform game engine offering a comprehensive scene-based architecture, visual editor, scripting (GDScript, C#, C++), and real-time 2D/3D rendering pipeline. It enables rapid prototyping, extensible toolchains, and deployment to desktop,...
GrblGru
GrblGru is a Windows-based CNC controller and CAM frontend that converts G-code into precise machine motion, offering 3D toolpath simulation, visual G-code editor, parameterized postprocessors, and direct communication with GRBL-compatible controllers to streamline...
Iber
: Iber is a high-fidelity 1D/2D hydraulic and flood simulation platform delivering rapid, accurate modeling of open-channel flows, floodplain dynamics, and urban drainage. It integrates GIS data, customizable boundary conditions, and numerical solvers to support...
JSBSim
: JSBSim is an open-source, high-fidelity flight dynamics and simulation toolkit that models rigid-body and flexible-aircraft aerodynamics, propulsion, control systems, and environmental interactions. It runs standalone or integrates with simulators and autopilots,...
KiCad
: KiCad is an open-source electronic design automation suite for schematic capture, PCB layout, and manufacturing file generation. It enables multi-layer board design, complex netlist management, 3D PCB visualization, and Gerber/NC drill output. Integrated libraries,...
Kiri:Moto
Kiri:Moto is an open-source CAM application that converts 3D models into optimized toolpaths for CNC milling and 3D printing, offering adaptive pocketing, contouring, and 3-axis machining strategies with simulated previews and export to G-code, enabling precise...