FEATool Multiphysics - "Physics Simulation Made Easy" (Fully Integrated FEA, FEniCS, OpenFOAM, SU2 Solver GUI & Engineering CAE Simulation Platform)

SimTK OpenSim C++ libraries and command-line applications, and Java/Python wrapping.

Open-source construction ERP - BOQ, PDF/CAD/BIM takeoff, AI cost matching, 293 guided cases. 120,000+ priced positions, 44 languages, 190+ modules, cost data for 40+ markets. AGPL-3.0. pip install …

A python CAD programming library

Design circuit boards with code! ✨ Get software-like design reuse 🚀, validation, version control and collaboration in hardware; starting with electronics ⚡️

A 3D CAD running entirely in the browser

A python parametric CAD scripting framework based on OCCT

3D visualization and mesh analysis for science and engineering

A curated list of valuable open-source CAD (Computer-Aided Design) software, libraries, and tools, organized by category.

The world’s first fully web-based DXF/DWG viewer and editor that runs entirely in the browser — no backend server required.

Preview 275+ file formats in the browser: Office, PDF, OFD, CAD, 3D, archives. Pure frontend, no server conversion. Vue / React / Svelte / Web Components.

A CAD application built with Rust — 2D/3D drawing, DWG/DXF support, and GPU-accelerated rendering

tun2socks - powered by gVisor TCP/IP stack

Agentic Coding for Builders who Ship

3D CAD viewer and converter based on Qt + OpenCascade

Polyglot document intelligence with a Rust core: extract text, metadata, images, tables, and structured data from 106 formats across 140 file extensions, plus code intelligence for 371 languages. F…

This is an openai TTS api wrapper for supertonic, written in Rust.

ALL IN ONE Hacking Tool For Hackers

Make humans and AI agents work as one team — open-source and self-hostable.

TTS support with GGML

Fast EPUB → KFX / AZW3 / MOBI converter in Rust

Docs is an open-source text editor: web-native, made for real-time collaboration, cleanly structured documents and sub-documents with full ownership of your data. Built to scale with Django and React.

Diskless Kafka® on S3. 10x Cost-Effective. No Cross-AZ Traffic Cost. Autoscale in seconds. Single-digit ms latency. Multi-AZ Availability.

Web-Based Alternative to GoldenDict

Python library for GHG Inventory

Instant messaging platform. Backend in Go. Clients: Swift iOS, Java Android, JS webapp, scriptable command line; chatbots

A multi-purpose LLM framework for RAG and data creation.

G-code generator for 3D printers (RepRap, Makerbot, Ultimaker etc.)

3D printer / slicing GUI built on top of the Uranium framework

Open-source Windows and Office activator featuring HWID, Ohook, TSforge, and Online KMS activation methods, along with advanced troubleshooting.