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  1. ClickHouse/ClickHouse

    ClickHouse® is a real-time analytics database management system

    C++★ 50.7kApache-2.0GitHub ↗

  2. 78/xiaozhi-esp32

    An MCP-based chatbot | 一个基于MCP的聊天机器人

    C++★ 32.6kMITGitHub ↗

  3. mozilla/DeepSpeech

    DeepSpeech is an open source embedded (offline, on-device) speech-to-text engine which can run in real time on devices ranging from a Raspberry Pi 4 to high power GPU servers.

    C++★ 26.8kMPL-2.0archivedGitHub ↗

  4. wled/WLED

    Control WS2812B and many more types of digital RGB LEDs with an ESP32 over WiFi!

    C++★ 19.0kEUPL-1.2GitHub ↗

  5. espressif/arduino-esp32

    Arduino core for the ESP32 family of SoCs

    C++★ 17.7kLGPL-2.1GitHub ↗

  6. MarlinFirmware/Marlin

    Marlin is a firmware for RepRap 3D printers optimized for both 8 and 32 bit microcontrollers. Marlin supports all common platforms. Many commercial 3D printers come with Marlin installed. Check with your vendor if you need source code for your specific machine.

    C++★ 17.6kGPL-3.0GitHub ↗

  7. alibaba/zvec

    A lightweight, lightning-fast, in-process vector database

    C++★ 16.2kApache-2.0GitHub ↗

  8. k2-fsa/sherpa-onnx

    Speech-to-text, text-to-speech, speaker diarization, speech enhancement, source separation, and VAD using next-gen Kaldi with onnxruntime without Internet connection. Support embedded systems, Android, iOS, HarmonyOS, Raspberry Pi, RISC-V, RK NPU, Axera NPU, Ascend NPU, x86_64 servers, websocket server/client, support 12 programming languages

    C++★ 15.7kApache-2.0GitHub ↗

  9. justcallmekoko/ESP32Marauder

    A suite of WiFi/Bluetooth offensive and defensive tools for the ESP32

    C++★ 13.0kGitHub ↗

  10. esphome/esphome

    ESPHome is a system to control your ESP32, ESP8266, BK72xx, RP2040 by simple yet powerful configuration files and control them remotely through Home Automation systems.

    C++★ 12.0kGitHub ↗

  11. nasa/fprime

    F´ - A flight software and embedded systems framework

    C++★ 11.9kApache-2.0GitHub ↗

  12. openframeworks/openFrameworks

    openFrameworks is a community-developed cross platform toolkit for creative coding in C++.

    C++★ 10.5kGitHub ↗

  13. dusty-nv/jetson-inference

    Hello AI World guide to deploying deep-learning inference networks and deep vision primitives with TensorRT and NVIDIA Jetson.

    C++★ 9.0kMITGitHub ↗

  14. project-chip/connectedhomeip

    Matter (formerly Project CHIP) creates more connections between more objects, simplifying development for manufacturers and increasing compatibility for consumers, guided by the Connectivity Standards Alliance.

    C++★ 9.0kApache-2.0GitHub ↗

  15. oatpp/oatpp

    🌱Light and powerful C++ web framework for highly scalable and resource-efficient web application. It's zero-dependency and easy-portable.

    C++★ 8.7kApache-2.0GitHub ↗

  16. crosspoint-reader/crosspoint-reader

    Open-source e-reader firmware

    C++★ 8.6kGitHub ↗

  17. meshtastic/firmware

    The official firmware for Meshtastic, an open-source, off-grid mesh communication system.

    C++★ 8.5kGPL-3.0GitHub ↗

  18. ggerganov/ggwave

    Tiny data-over-sound library

    C++★ 7.9kMITGitHub ↗

  19. idea4good/GuiLite

    ✔️The smallest header-only GUI library(4 KLOC) for all platforms

    C++★ 7.8kApache-2.0GitHub ↗

  20. FastLED/FastLED

    The FastLED library for colored LED animation on Arduino. Please direct questions/requests for help to the FastLED Reddit community: http://fastled.io/r We'd like to use github "issues" just for tracking library bugs / enhancements.

    C++★ 7.5kMITGitHub ↗

  21. tzapu/WiFiManager

    ESP8266 WiFi Connection manager with web captive portal

    C++★ 7.3kMITGitHub ↗

  22. PaddlePaddle/Paddle-Lite

    PaddlePaddle High Performance Deep Learning Inference Engine for Mobile and Edge (飞桨高性能深度学习端侧推理引擎)

    C++★ 7.3kApache-2.0GitHub ↗

  23. bblanchon/ArduinoJson

    📟 JSON library for Arduino and embedded C++. Simple and efficient.

    C++★ 7.2kMITGitHub ↗

  24. BruceDevices/firmware

    Predatory ESP32 Firmware

    C++★ 7.1kAGPL-3.0GitHub ↗

  25. geo-tp/ESP32-Bit-Pirate

    A Hardware Hacking Tool with Web-Based CLI That Speaks Every Protocol

    C++★ 6.3kMITGitHub ↗

  26. M-Abozaid/esp32-c3-adblock

    Pi-hole-class DNS ad-blocker on a $2 ESP32-C3 (no PSRAM): 537k domains as 40-bit FNV-1a hashes in flash, binary-searched. UDP DNS sinkhole + web dashboard. https://youtube.com/shorts/RaxszOUMi8E?feature=share

    C++★ 3.5kMITGitHub ↗

  27. gioblu/PJON

    PJON (Padded Jittering Operative Network) is an experimental, arduino-compatible, multi-master, multi-media network protocol.

    C++★ 2.8kGitHub ↗

  28. jakubthedeveloper/Samplotron

    Samplotron is an ESP32 hardware sampler for musicians and producers: play WAVs from SD, map samples to MIDI notes, tweak per-sample volume and shot/loop mode, and save live-ready setups on device.

    C++★ 38GitHub ↗

  29. prasadabhishek/esp-watchtower

    Autonomous, always-on Home Network Sentinel & Canary Honeypot for under $4 on ESP8266

    C++★ 29MITGitHub ↗

  30. boazf/IWG

    Arduino Internet Watchdog Device. It will check for Internet connectivity and if it is lost, it will restart your router and/or modem. Includes HTML interface for controlling, monitoring and getting recovery reports.

    C++★ 21Apache-2.0GitHub ↗

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