best-of ranking · updated nightly

Best Open Source Internet of Things (IoT) Tools

Ranked by GitHub stars — actual adoption, not editorial taste. All 10 are free, open source and self-hostable; license and last activity on every entry.

  1. 1
    Home Assistant ★ 92K

    Local control smart home automation with privacy first

    Apache-2.0 Python pushed 2026-11-02 details →
  2. 2
    frigate ★ 37K

    NVR with realtime local object detection for IP cameras

    MIT Python pushed 2026-11-02 details →
  3. 3
    homebridge ★ 26K

    HomeKit support for the impatient.

    Apache-2.0 TypeScript pushed 2026-11-01 details →
  4. 4
    oomwoo ★ 13K

    Open-source vacuum robot cleaner

    Apache-2.0 Python pushed 2026-11-02 details →
  5. 5
    espectre ★ 9.7K

    Wi-Fi CSI motion sensing for ESP32. C++ SDK, ESPHome, Native, and Matter frontends, browser tools, and a CLI for the full device lifecycle. GPLv3 and commercial

    GPL-3.0 Python pushed 2026-11-02 details →
  6. 6
    integration ★ 7.9K

    HACS gives you a powerful UI to handle downloads of all your custom needs.

    MIT Python pushed 2026-11-02 details →
  7. 7
    operating-system ★ 7.6K

    :beginner: Home Assistant Operating System

    Apache-2.0 Python pushed 2026-11-02 details →
  8. 8
    hass-xiaomi-miot ★ 6.2K

    Automatic integrate all Xiaomi devices to HomeAssistant via miot-spec, support Wi-Fi, BLE, ZigBee devices. 小米米家智能家居设备接入Hass集成

    Apache-2.0 Python pushed 2026-10-31 details →
  9. 9
    frontend ★ 5.8K

    :lollipop: Frontend for Home Assistant

    Apache-2.0 TypeScript pushed 2026-11-02 details →
  10. 10

    Build a beautiful Home Assistant dashboard easily

    Apache-2.0 TypeScript pushed 2026-10-20 details →
method stars desc · snapshot from github api refresh nightly related Design & Prototyping, Finance & Fintech, Logistics & Supply Chain, Media & Streaming, Photo & Video Editors, Gaming

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last updated nightly · ranking method: github stars, live-tracked

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Frequently asked questions

What is the best open source Internet of Things (IoT) tool in 2026?

Home Assistant leads the ranking with 91,919 GitHub stars, ahead of frigate. Rankings use live GitHub star counts, refreshed nightly.

How is this list of Internet of Things (IoT) tools ranked?

By GitHub stars — a proxy for adoption and community size. Each entry also shows its licence, primary language and last commit date, so you can judge maintenance activity rather than trusting the ranking alone.

Are the best Internet of Things (IoT) tools free?

Every project on this list is open source and free to self-host. Some also offer paid managed hosting, but the software itself carries no licence fee.