Mongoose OS
Mongoose OS - an IoT Firmware Development Framework. Supported microcontrollers: ESP32, ESP8266, CC3220, CC3200, STM32F4, STM32L4, STM32F7. Amazon AWS IoT, Microsoft Azure, Google IoT Core integrated. Code in C or JavaScript. observed · 2026-08-28
Health v2 · maintenance only
65/100
- Activity 94
- Release rhythm 8
- Longevity 100
Flags: no_license
How is this computed?
round(0.45*activity + 0.35*rhythm + 0.20*longevity); archived -> min(score, 10) — computed 2026-09-02. Adoption (stars, forks) is never an input.
- gap_med: n/a
- age_days: 4448
- days_rel: n/a
- days_push: 38
- n_releases_24m: 0
Adoption not part of the score
2662 stars · 437 forks observed · 2026-08-28
What it is AI-extracted, prompt v1, taxonomy v1, 2026-08-30, confidence not recorded
Mongoose OS is an open-source IoT firmware development framework and operating system for low-power microcontrollers such as ESP32, ESP8266, CC3220/CC3200, and STM32. It provides OTA updates, built-in security (mbedTLS, flash encryption), cloud integrations (AWS IoT, Azure, Google IoT Core, MQTT), and lets developers write firmware in C or JavaScript via the embedded mJS engine.
Use cases
- build firmware for ESP32 or ESP8266 IoT devices
- over-the-air firmware updates with rollback for connected devices
- connect microcontrollers to AWS IoT, Azure IoT, or Google IoT Core
- prototype IoT device logic in JavaScript and ship production code in C
- secure IoT firmware with TLS and flash encryption
- manage fleets of IoT devices remotely via MQTT or RPC
When to choose
- you are developing commercial or hobbyist firmware for supported microcontrollers (ESP32, ESP8266, STM32, CC3200/CC3220)
- you need integrated cloud connectivity to AWS IoT, Azure, or Google IoT Core out of the box
- reliable OTA updates and device management are core requirements
- you want to prototype in JavaScript and optimize in C on the same platform
When to avoid
- your target hardware is not among the supported microcontrollers
- you need a general-purpose RTOS or Linux-based embedded platform rather than a firmware framework
- you require unrestricted OTA to arbitrary backends without a commercial license (Community Edition limits OTA to mDash)
- you prefer Rust, MicroPython, or other language ecosystems for embedded development
Facets
framework · maturity stable
embedded networking security configuration-management deployment sdk iot embedded-systems cloud-computing developer-tools embedded iot c firmware ota-updates mqtt aws-iot azure-iot google-iot-core mjs microcontrollers device-management esp8266 stm32 javascript
6 sources
- readme: https://github.com/cesanta/mongoose-os · fetched 2026-08-28 · 4ba0d0e2d80e
- homepage: https://mongoose-os.com · fetched 2026-08-29 · 106220aa6820
- site_page: https://mongoose-os.com/about.html · fetched 2026-08-29 · a2c908ae1fa9
- site_page: https://mongoose-os.com/docs/mongoose-os/quickstart/setup.md · fetched 2026-08-29 · d65d91988229
- site_page: https://mongoose-os.com/features.html · fetched 2026-08-29 · 41f7ce632ace
- site_page: https://mongoose-os.com/pricing.html · fetched 2026-08-29 · 8b6759e61043
Member repositories
| Repository | Role | Health v2 |
|---|---|---|
| cesanta/mongoose-os | main | 65 |
| cesanta/mjs | sdk | 55 |
| cesanta/v7 | sdk | 23 |
For agents
markdown · JSON · MCP: product_card(name="cesanta/mongoose-os")
Data as of 2026-08-30T08:39:29.467469+00:00 · Report a problem