Brand

Shenzhen Xin Yuan Electronic Technology (LILYGO) — maker of ESP32-based development boards including T-Deck, T-Beam, and T-Display series.

Adafruit Industries is a NYC-based open-source hardware company known for CircuitPython boards, breakout sensors, and educational electronics.

Waveshare Electronics is a Chinese electronics company specializing in development boards, displays, and embedded modules for makers and engineers.

DFRobot is a leading robotics and open-source hardware provider, known for development boards, sensors, and educational STEM kits.

Arduino is an open-source electronics platform known for easy-to-use hardware and software for interactive projects.

Heltec Automation -- maker of LoRa, WiFi HaLow, and ESP32-based IoT devices including the WiFi LoRa 32, CubeCell, and HT-H7608 series.

Espressif Systems — Chinese semiconductor company designing the ESP32, ESP8266, and related Wi-Fi/BT SoC families.

M5Stack is a modular IoT development platform maker based in Shenzhen, China, known for stackable ESP32-based dev kits with integrated displays and sensors.

FriendlyElec (Guangzhou FriendlyARM) — maker of NanoPi and NanoPC series Linux SBCs and router boards based on Rockchip, Allwinner, and Samsung SoCs.

LuckFox Technology — maker of compact Linux SBC boards based on Rockchip vision processors

Radxa is a Chinese SBC manufacturer producing the Rock series of Linux boards based on Rockchip SoCs, known for developer-friendly designs with NVMe support and strong community backing.

Heltec Automation is a Chinese electronics company specializing in ESP32-based development boards, LoRa modules, and IoT solutions.

UK non-profit producing affordable single-board computers and microcontrollers for education and maker projects.

Unexpected Maker — Australian maker and hardware designer known for compact ESP32-based boards including the TinyPICO, FeatherS2, and ProS3 series.

Libre Computer (libre.computer) produces open-source SBCs like Le Potato, Sweet Potato, and Renegade, designed as Raspberry Pi-compatible Linux boards.

Texas Instruments produces developer starter kits (SK) for their Sitara and TDA series processors, targeting industrial and automotive applications.

Banana Pi (by SinoVoip) produces open-source SBCs including the M-series and F-series boards based on Allwinner, Amlogic, Rockchip, and RISC-V SoCs.

Australian IoT company specializing in multi-network MicroPython development boards with WiFi, BLE, LoRa, SigFox, and LTE connectivity.

Hardkernel is a South Korean company producing the ODROID series of high-performance SBCs, known for strong community support and optional eMMC modules.

Khadas is a brand by Shenzhen Wesion Technology specializing in high-performance SBCs like the VIM and Edge series, featuring Amlogic and Rockchip SoCs.

Open-source hardware company creating affordable ARM and RISC-V single-board computers, IoT modules, and community devices.

BeagleBoard.org Foundation produces open-source SBCs including the BeagleBone series, focused on education and professional use.

Netduino is an open-source electronics platform from Secret Labs using .NET Micro Framework for Arduino-compatible boards.

Seeed Studio creates the XIAO series and Grove ecosystem of compact open-source hardware modules for IoT and edge computing.

Shenzhen Xunlong Software produces the Orange Pi family of affordable SBCs based on Allwinner and Rockchip SoCs, offering a wide range of form factors.

Croatian STEM education company creating DIY electronics kits including smartwatches, game consoles, LoRa communicators, and robotics kits.

Olimex is a Bulgarian open-source hardware company producing affordable dev boards and industrial electronics under CERN OHL.

Flipper Devices — creators of the Flipper Zero multi-tool and accessories for hardware hackers and security researchers.

Holybro is a leading manufacturer of open-source flight controllers, GPS modules, and drone components based on Pixhawk standards.

BBC micro:bit — educational computing initiative by the Micro Bit Educational Foundation, producing the pocket-sized programmable computer used in UK schools and globally.

Open hardware projects by Peter 'Bobricius' Misenko, known for Armachat and Meshtastic devices

Independent open-source hardware maker based in Asheville, NC, USA, specializing in ESP32-based wireless detection and Meshtastic alerting devices.

CompuLab (Nesher, Israel) — manufacturer of industrial IoT gateways, SBCs, and computer-on-modules based on NXP i.MX processors.

D-Robotics (formerly Horizon Robotics) develops AI-focused SoCs and development boards for robotics and edge AI applications.

JetHome produces the JetHub series of DIN-rail mountable IoT hub boards based on Amlogic SoCs.

Kobol Innovations produces the Helios NAS server boards, designed for home and SMB network-attached storage.

Makerfabs is a Shenzhen-based manufacturer specializing in ESP32 development boards, UWB modules, and IoT prototyping hardware.

Mekotronics is a Chinese hardware company specializing in embedded computing platforms based on Rockchip RK3588, designed for digital signage, video wall, and industrial applications.

Sonocotta is a Poland-based maker of ESP32 audio development boards, including the Louder, Loud, HiFi, and Amped ESP32 series for network audio and smart home applications.

TQ-Systems (TQ-Group) is a German industrial electronics company producing COM modules and carrier boards for industrial embedded Linux applications.

Tlera Corp designs ultra-low-power LoRa and GNSS asset tracking boards, including the Gnat, Cricket, and Grasshopper series.

Shenzhen Ai-Thinker Technology Co., Ltd — manufacturer of WiFi, Bluetooth, LoRa, and other IoT modules and devices.

ASUS produces the Tinker Board series of SBCs with Rockchip processors, designed as Raspberry Pi form-factor alternatives for makers and developers.

UK-based maker brand creating ESPHome-native environmental sensors for Home Assistant. Known for open-source air quality monitoring hardware with Sensirion sensors.

Andrews & Arnold Ltd (A&A) is a UK-based ISP and electronics company that designs open-source IoT hardware for home automation and HVAC control.

BIGTREETECH specializes in 3D printer electronics, including SBC compute modules used in smart 3D printer controllers.

Open-source keyboard hardware and firmware by Pierre Constantineau, specializing in mechanical keyboards with CircuitPython and Bluetooth support.

Chinese open-source hardware maker specializing in multi-band wireless development tools and RF security research boards.

Elecrow is a Shenzhen-based open-source hardware company producing development boards, displays, LoRa transceivers, and STEAM education kits.

Open-source hardware brand specializing in RF security research and penetration testing tools, created by Joel Serna Moreno.

German maker of open-source hardware security research tools, specializing in voltage glitching and fault injection devices.

HestiaPi (Eternal Sunshine) — maker of open-source smart thermostats with Raspberry Pi, local-only control, and no cloud dependency.

Inovato is a hardware company producing the Quadra and other compact Linux SBCs based on Amlogic SoCs, targeting affordable media and IoT applications.

JasonKits QRP — maker of pre-built amateur radio QRP transceivers based on the ADX open-source design family.

MKS/Makerbase produces 3D printer control electronics including Klipper-compatible touchscreen panels and control boards.

MuseLab (Yiwu, Zhejiang, China) — maker of open-source FPGA development boards including the iCESugar series based on Lattice iCE40 and ECP5 FPGAs.

Community-driven open-source project for electronic shelf label (ESL) access points and tag firmware, based on ATC1441's designs.

Nepalese open-source hardware company specializing in CubeSat educational kits and space technology training tools.

PJRC — maker of the Teensy series of compact, high-performance USB development boards.

Phytium Technology is a Chinese fabless semiconductor company producing ARM-compatible processors for industrial and server applications.

Pinguino is an open-source Arduino-like platform for PIC microcontrollers with its own IDE and community.

Czech open-hardware maker specializing in ESP32-based IoT camera boards for AI-powered meter reading.

SolidRun produces industrial-grade SBCs and COM modules including the Clearfog network computing platform.

SparkFun Electronics creates open-source development boards, sensors, and kits for makers and engineers.

StarFive Technology is a semiconductor company specializing in RISC-V processors and SoCs for single board computers and embedded applications.

Open-source hardware maker specializing in smart ventilation controllers for European HVAC systems.

Dutch open-source hardware maker specializing in ESP-based communication boards for Panasonic Aquarea heat pump integration.

TimeAppliances (San Jose, CA) — maker of open-source precision timing hardware for PTP grandmaster clocks and GNSS-disciplined time servers.

UkieLab creates WiFi-connected smart displays and IoT gadgets, including e-paper weather stations, calendars, and Meshtastic devices. Based in Watchung, NJ.

Xiaomi tablets and smartphones running Armbian Linux through community ports.

Independent open-source hardware maker based in the United Kingdom, known for the duckyPad series of programmable macro keypads.

French maker and electronics designer specializing in open-source energy monitoring and IoT devices

Independent maker lab based in Hong Kong, creating open-source hardware tools and utilities.

kelu124 (Luc Jonveaux) — independent open-source hardware designer creating ultrasound pulse-echo development kits and imaging tools, based in France.

Swiss maker of open-source flight controller boards and firmware, based in Zurich

tinyVision.ai Inc. designs compact FPGA development boards and vision processing solutions for makers and engineers.

Independent open-source hardware maker creating the Micro Journal series of distraction-free writing devices.

Open hardware maker based in Vienna, Austria, specializing in ESP32-based IoT controllers for home automation.