Google's block programming library used by many educational and hardware tools.
Open Hardware & Maker
Hand-picked open-source hardware and maker projects: 3D printing, CAD, circuits and PCBs, microcontrollers, robots and drones, CNC and lasers, smart home, single-board computers, radio… 149 projects so far.
Looking for software to run yourself (smart-home hubs, media centers…)? See Self-Hosted Open Source. Want an open-source alternative to SolidWorks, Fusion 360 or other commercial tools? See Open Source Alternatives
All 149🖨️ 3D Printing 20📐 CAD & Modeling 15🔌 Circuits & PCB 13🧠 Microcontrollers & Firmware 18🤖 Robots & Drones 17🔥 Laser & CNC 12🏠 Smart Home & IoT 21🥧 Single-Board Computers & Embedded Linux 13📡 Radio & Measurement 11🎓 Maker Learning 9
The Linux kernel branch maintained by Raspberry Pi.
A graphical tool for investigating wireless protocols: record, demodulate, decode and replay.
The most popular FPV racing drone flight controller firmware, fast and highly tunable.
A multimodal data visualization tool for robotics and spatial AI.
The most common open-source MQTT broker, lightweight and stable.
Setup scripts and a front end that turn a Raspberry Pi into a retro gaming console.
An async framework for embedded Rust, supporting STM32, nRF and RP2040.
Open-source software that frees robot vacuums from the cloud for fully local control.
The official open-source implementation of the Matter smart home standard.
Open-source transmit-and-receive SDR hardware and software covering 1 MHz to 6 GHz.
Receive and decode signals from 433 MHz devices such as thermometers and weather stations with a cheap RTL-SDR.
The embedded operating system built to run Home Assistant, ready to flash onto a Raspberry Pi.
Open-source 2D CAD drafting software, a free alternative for AutoCAD-style plan drawing.
An extremely lightweight SBC OS with a catalog of one-click software installs.
An open-source RFID and NFC research tool for reading, sniffing and analyzing cards.
Digital circuit designer and simulator, great for teaching and learning digital logic.
Parametric CAD library that models in Python on top of OpenCascade, exporting STEP and STL.
Open-source tool for processing and editing 3D meshes, popular for cleaning and repairing scan data.
A friendly open-source operating system for IoT devices.
An open-source high-rate, long-range radio control link with low latency and cost; now mainstream in FPV.
Describe wiring harnesses in YAML and get wiring diagrams and a bill of materials automatically.
Bambu Lab's open-source slicer, and one of the upstreams of OrcaSlicer.
The Arduino command-line tool for scripting and continuous integration.