Off-grid LoRa mesh communication: send messages over kilometers without any cell coverage.
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
Open-source inventory and part management: electronic components, BOMs, suppliers and orders in one place.
One of the most popular free slicers, with a large plugin ecosystem and an easy start.
A lightweight cross-platform SDR application with a clean UI and support for many receivers.
The software-defined radio development framework: build signal processing chains from graphical flowgraphs.
The de facto framework for robotics: communication, drivers, navigation and simulation.
Debian and Ubuntu based OS for ARM single-board computers, supporting hundreds of boards.
Draw circuits in a breadboard view and turn them into schematics and PCBs; very friendly for makers just starting out.
The most common open-source firmware for engravers and small CNC machines, running on Arduino.
An open-source CoreXY 3D printer design that the community builds from sourced parts; the reference for high-end DIY printers.
The next-generation Arduino IDE with autocomplete, debugging and board management.
The leading open-source electronics design suite: schematics, PCB layout, 3D preview and Gerber output.
A powerful open-source CNC control system that drives machines from a PC with a real-time kernel.
The high-performance successor to Grbl, targeting 32-bit chips such as ARM with many more features.
The most widely used open-source computer vision library, found in countless robotics and maker projects.
A locally run camera NVR with real-time object detection and Home Assistant integration.
A simple, reliable GUI for writing OS images to SD cards and USB drives.
A JavaScript library for creative coding in the browser, great for teaching.
Open-source IoT platform for device management, data collection and dashboards.
A Go compiler for microcontrollers and WebAssembly.
The official package for developing ESP32 the Arduino way.
A Linux Foundation open-source RTOS supporting hundreds of boards.
Arduino core for the ESP8266, the go-to for this classic low-cost Wi-Fi chip.
DeepMind's open-source physics engine, widely used in robotics and reinforcement learning research.