This is a list of open-source hardware projects, including computer systems and components, cameras, radio, telephony, science education, machines and tools, robotics, renewable energy, home automation, medical and biotech, automotive, prototyping, test equipment, and musical instruments.

Communications

Amateur radio

• Homebrew D-STAR Radio
• HackRF_One

Audio electronics

• Monome 40h – reconfigurable grid of 64 backlit buttons, used via USB; a limited batch of 500 was produced; all design process, specifications, firmware, and PCB schematics are available online
• Neuros Digital Audio Computer – portable digital audio player
• Arduinome
• MIDIbox – modular DIY hardware–software platform for MIDI devices including controllers, synthesizers, sequencers

Telephony

• Openmoko – phone framework (first use case: First International Computer (FIC) Neo FreeRunner, released as of mid-2008
• OpenBTS and OsmoBTS – software-based GSM base stations
• Project Ara – modular design, hot swapping pluggable mobile phone; due to enter trial production in 2015, but was suspended in 2016^[1]
• PiPhone and ZeroPhone
• Telecom Infra Project – collaborative Open Compute Project focusing on optical broadband networks and open cellular networks to create global access
• PinePhone – developed by computer manufacturer Pine64, intended for allowing the user to have full hardware and software control over the device, released as of end-2019

Video electronics

• Milkymist One – video synthesizer for interactive and dance-directed VJing
• Neuros OSD – digital video recorder

Networking

• NetFPGA – hardware platform, software, community, and education material to enable research and education effort in a line-rate network environment

Wireless networking

• OpenPicus – platform for smart sensors and Internet of things
• Sun SPOT – hardware–software platform for sensor networks and battery powered, wireless, embedded development
• USRP – universal software radio peripheral is a mainboard with snap in modules providing software defined radio at different frequencies, has USB 2.0 link to a host computer
• PowWow Power Optimized Hardware and Software FrameWork for Wireless Motes – hardware–software platform for wireless sensor networks
• Twibright RONJA – free-space optic system, DIY in a garage and maker culture, 10 Mbit/s full duplex/1.4 km
• SatNOGS – software-hardware project of a global low Earth orbit satellite ground station, including for data and Internet

Electronics

Cameras

• AXIOM – digital cinema camera built by apertus° community
• Elphel, Inc. – cameras based on free hardware–software designs

Computer systems

• Arduino – open-source microcontroller board
• Chumby – information ambient device
• CUBIT – multitouch surface-interaction system
• Netduino – microcontroller board, .NET Micro Framework based
• NodeMCU – Wi-Fi microcontroller board
• Novena – an ARM based computer built by Andrew Huang and associates
• OpenPOWER – Power ISA, an open-source hardware instruction set architecture (ISA) initiated by IBM
• OpenSPARC – Sun's, later Oracle's high-performance processor
• Parallax Propeller – a multi-core microcontroller with eight 32-bit RISC cores
• Parallella – single-board computer with a manycore coprocessor and field-programmable gate array (FPGA)
• SparkFun Electronics – microcontroller development boards, breakout boards
• The Bus Pirate – universal bus interface and programmer
• Turris Omnia – open-source SOHO network router
• RISC-V – an open-source hardware instruction set architecture (ISA)
• MIPS – a reduced instruction set computer (RISC) instruction set architecture
• Color Maximite – open-source single-board computer running the BASIC language as its operating system and compatible with Arduino Uno micro-controller peripherals
• Humane Reader and Humane PC

Peripherals

• Nitrokey – USB key for data and email encryption and strong authentication
• TKey^[2] – TKey is a secure environment for applications that provide a security function. This includes Time-based one-time password (TOTP) token generators, Signing oracles, Secure random numbers, Encryption, 2FA and even the possibility to store SSH Keys.

Robotics

• ArduCopter – Arduino-based drone
• e-puck mobile robot – mobile robot designed for education
• ICub – 1 metre high humanoid robot
• OpenRAVE
• RobotCub – predecessor of ICub
• Spykee
• multiplo
• OpenROV – telerobotic submarine
• Thymio – robot for education

Microcontrollers

• Freeduino – an open-source physical computing platform based on a simple I/O board and a development environment that implements the open source Processing / Wiring language. Also clones of this platform including Freeduino.
• Tinkerforge – a platform comprising stackable microcontrollers for interfacing with sensors and other I/O devices

Components

• Ethernut, embedded Ethernet adapters
• IOIO, a board that allows Android applications to interface with external electronics
• PLAICE, a device that combines a flash memory programmer, in-circuit emulation, and a multichannel logic analyzer. It runs uClinux.
• Twibrigh RONJA, a 10 Mbit/s full duplex FSO wireless optical network adapter from 2001^[3]

CPUs

• Amber is an ARM-compatible 32-bit RISC processor. Amber implements the ARMv2 instruction set.
• LEON, a 32-bit, SPARC-like CPU created by the European Space Agency
• OpenPOWER, based on IBM's POWER8 and newer multicore processor designs
• OpenSPARC, a series of open-source microprocessors based on the UltraSPARC T1 and UltraSPARC T2 multicore processor designs
• Parallax P8X32A Propeller is a multicore microcontroller with an emphasis on general-purpose use
• ZPU, a small, portable CPU core with a GCC toolchain. It is designed to be compiled targeting FPGA^[4]
• Zet (hardware), x86 implementation on programmable logic
• OpenRISC 1200, an implementation of the open source OpenRISC 1000 RISC architecture

Environmental

• Open Source Ecology

Renewable energy

• Wind turbines

Lighting and LED

• LED Throwies – nondestructive graffiti and light displays

Neither electronic nor mechanical

Architecture and design

• WikiHouse – project to design and build houses
• Opendesk – furniture project
• OpenStructures – design from furniture to house

Domotics

Machines and production tools

Automotive

Complete vehicles

Land

• Rally Fighter – made by Local Motors
• Riversimple Urban Car
• OpenXC
• OScar
• Wikispeed
• OSVehicle Tabby^[5]

Airplanes

• MakerPlane

Engine control units

• SECU-3 – gasoline engine control unit

Electric vehicle chargers

• OpenEVSE – charger for electric cars^[6]

3D printers and scanners

• RepRap project – 3D printer-fabber; recyclebots, like the Lyman filament extruder, provide the filament for RepRaps
• LulzBot – 3D printer design by Aleph Objects; is Respects Your Freedom certified by the Free Software Foundation

CNC milling machines

• Mekanika – an open hardware CNC milling machine aiming at reducing accessibility barrier to digital milling technologies.

Other hardware

• Multimachine – machine tool project
• Open Source Ecology's Global Village Construction Set (GVCS) – 50 industrial machines needed to build a small civilization with modern comforts
• Precious Plastic's – plastic recycling tools – Shredder, Extruder, Injector, Compressor, and supplemental resources
• Defense Distributed/Liberator (gun)

• Charon (gun)
• FGC-9 (gun)

Science

Medical devices

• Open Prosthetics Project – design of open-source prosthetics
• Open-source ventilator

Scientific hardware

• Open-Source Lab – documents dozens of scientific tools, but is closed-source itself
• OpenBCI – EEG amplifier^[5]
• Sinara Open-Hardware - ecosystem of 3U modules for advanced physics experiments

Satellite

• UPSat

Partially open-source hardware

Hardware that uses closed source components

Computers

Single-board computers

• Tinkerforge RED Brick, executes user programs and controls other Bricks/Bricklets standalone

ARM

• Banana Pi, uses low-power processors with an ARM core; runs Linux, Android, and OpenWRT
• BeagleBoard, uses low-power Texas Instruments processors with an ARM Cortex-A8 core; runs Ångström distribution (Linux)
• IGEPv2, an ARM OMAP 3-based board designed and manufactured by ISEE in Spain. Its expansion boards are also open-source.
• OLinuXino, designed with KiCad by OLIMEX Ltd in Bulgaria^[7]
• PandaBoard, a variation of the BeagleBoard
• Rascal, an ARM based Linux board that works with Arduino shields, with a web server that includes an editor for users to program it in Python. Hardware design files released under the Creative Commons BY-SA license.
• 96Boards (includes but not limited to, DragonBoard 410c, HiKey, HiKey960, Bubblegum-96 and more...)
• Parallella single-board computer with a manycore coprocessor and field-programmable gate array (FPGA)

ATMega

• Arduino – open-source microcontroller board

Motorola 68000 series

• Minimig – a re-implementation of an Amiga 500 using a field-programmable gate array (FPGA).

National Semiconductor NS320xx series

• PC532, a personal computer design released in 1990, based on the NS32532 microprocessor

RISC-V

• HiFive1 is an Arduino-compatible development kit featuring the Freedom E310, the industry's first commercially available RISC-V SoC^[8]
• HiFive Unleashed is a Linux development platform for SiFive’s Freedom U540 SoC, the world’s first 4+1 64-bit multi-core Linux-capable RISC-V SoC."^[9]
• HiFive Unmatched is a mini-ITX motherboard that features "a SiFive FU740 processor coupled with 8 GB DDR4 memory and 32 MB SPI Flash. It comes with a 4x USB 3.2 ports and a 16x PCIe expansion slot."^[10]

Notebook computers

• Novena, a notebook computer that uses a 1.2 GHz quad-core Freescale processor closely coupled with a Xilinx FPGA^{[11][12][13][14]}
• VIA OpenBook, a netbook case design released by VIA Technologies

Handhelds, palmtops, and smartphones

• Ben NanoNote, a palmtop PC based on the MIPS architecture
• Openmoko, a smartphone containing a single-board computer equipped with a GSM/UMTS modem
• Simputer, a handheld computer released in 2002

Related

Instruction sets

• J-Core, an implementation of the SuperH with some extensions^[15][16]
• MIPS ^{[citation needed]}
• Power, which originated from IBM's POWER ISA
• RISC-V, a RISC ISA that originated in 2010 at the University of California, Berkeley
• SPARC

Organisations

• Bug Labs, a US technology company that began by developing and selling open-source hardware peripherals for rapid prototyping of electronics
• LowRISC, a not-for-profit organization that aims to develop open hardware
• M-Labs, developers of the Milkymist system on a chip
• Open Compute Project, an organization for sharing designs of data center products among companies
• Open Graphics Project, a project that aims to design a standard open architecture for graphics cards
• OpenCores, a loose community of designers that supports open-source cores (logic designs) for CPUs, peripherals and other devices. OpenCores maintains an open-source on-chip interconnection bus specification called Wishbone
• OpenRISC is a group of developers working to produce a very-high-performance open-source RISC CPU.