- RuView by ruvnet, 104k stars. Uses WiFi signals from ESP32 hardware to detect presence and vital signs
- librepods by librepods-org, 31k stars. Android and Linux app for AirPods with battery and ear detection via reverse engineering
- openwrt by openwrt, 29k stars. Linux-based firmware for routers and embedded devices, mirrored from upstream git
- unleashed-firmware by DarkFlippers, 23k stars. Custom firmware for the Flipper Zero handheld
- qmk_firmware by qmk, 21k stars. Open-source firmware for custom keyboards on AVR and Arm USB chips
- gpu-unlock by Zagitta, 20k stars. Tool that claims to lift FP16 and TF32 tensor throughput on GeForce 20 to 40 series
- omi by BasedHardware, 14k stars. AI wearable and companion app that uses screen and conversation context
- espectre by francescopace, 9.8k stars. Wi-Fi motion sensing on ESP32 with ESPHome, Matter and CLI tools
- Momentum-Firmware by Next-Flip, 9.4k stars. Custom firmware for Flipper Zero with extra features and tweaks
- hekate by CTCaer, 9.0k stars. GUI bootloader for the Nintendo Switch
- ESP32-Bit-Pirate by geo-tp, 6.4k stars. ESP32 hardware hacking tool with a web CLI for CAN, I2C and JTAG
- esp32-iphone-agent by onehumanbeing, 5.0k stars. Hardware bridge that lets a vision model operate an iPhone using an ESP32
- esp32-ai by slvDev, 4.7k stars.
- FreeRTOS-Kernel by FreeRTOS, 4.7k stars. Real-time operating system kernel for microcontrollers
- Keychron-Keyboards-Hardware-Design by Keychron, 3.8k stars. CAD design files for Keychron keyboards and mice in STEP, DXF and DWG
- esp32-c3-adblock by M-Abozaid, 3.6k stars. Pi-hole style DNS ad blocker running on a $2 ESP32-C3 microcontroller
- mozc-devices by google, 3.0k stars. Circuit diagrams and firmware for DIY Gboard keyboards
- uhubctl by mvp, 2.9k stars. Command line tool to switch power on individual USB hub ports
- hakios-xnu-kernel by oosexgang, 2.8k stars. Experimental port of Apple's XNU kernel that boots on Android phones from RAM
- muse-gadget-sdk by facebookincubator, 2.7k stars. SDK for building gadgets that run on Muse devices
- claude-desktop-buddy by anthropics, 2.7k stars. Reference example of the Bluetooth API for makers working with Claude tools
- ReBarUEFI by xCuri0, 2.6k stars. UEFI driver that enables resizable BAR on most systems
- microzig by ZigEmbeddedGroup, 2.3k stars. Hardware abstraction layer and build tooling for embedded targets in Zig
- pxt by microsoft, 2.3k stars. Toolkit and editor for building MakeCode block and text programming environments
- MicroManipulatorStepper by 0x23, 2.3k stars. Motion control platform for sub-micrometer 3D positioning
- TagTinker by i12bp8, 2.0k stars. Flipper Zero app for research on electronic shelf labels over IR
- open-battery-information by mnh-jansson, 1.8k stars. Open data and C++ code for battery cell information
- spacewasm by nasa, 1.6k stars. WebAssembly interpreter designed for flight-certified embedded systems
- esp32sim by mikroverk, 1.2k stars. Open source ESP32 emulator for running firmware without hardware
- tiny-engineer by jamro, 1.2k stars. Small desktop robot that physically mirrors what an AI coding assistant does
- PSPi-Version-6 by othermod, 1.1k stars.
- muxcard by krauseler, 1.0k stars. Credit-card sized handheld computer with an e-paper display, ESP32 and NFC
- openTPU by FeSens, 974 stars. Open AI accelerator with RTL, ISA, simulator and compiler for an FPGA card
- optocamzero by dorukkumkumoglu, 913 stars. Compact digital camera built on a Raspberry Pi Zero with off the shelf parts
- entii-for-workcubes by Wack0, 814 stars. Windows NT ported to the GameCube, Wii and Wii U
- clawd-mochi by yousifamanuel, 794 stars. Physical desk gadget modeled on the Claude Code mascot
- phoneuse by lxe, 662 stars. Control an iPhone from Linux over AirPlay and Bluetooth HID, with an agent skill
- Anima by Fullive-AI, 638 stars. Open source agent OS that gives hardware devices local intelligence
- RISCBoy by Wren6991, 513 stars. Handheld games console designed from scratch, with CPU, GPU and PCB
- biscuit by yattsu, 508 stars. Firmware for the Xteink X4 e-paper ebook reader built on an ESP32-C3
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