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Mongoose Web Server

Place
#2 of 36
Score
6.9
Mongoose Web Server's website

The facts below are what the maker publishes about Mongoose Web Server, checked and dated. Our editors have not written about it yet.

Plans and prices

From Mongoose Web Server's own pricing page, checked 8 Oct 2026.

All about pricing
PlanPriceWhat it gives you
GPLv2 Open SourceFreeGPLv2 terms; commercial products must release source under GPLv2
Commercial—One product, product family, company-wide, or custom coverage; yearly maintenance and support subscription is optional for some license types · Permanent, royalty-free; bespoke pricing by project
EvaluationPriced on requestRequest an evaluation license to use with non-GPL software; commercialized projects require a commercial license

The facts

Each one read from Mongoose Web Server's own pages, with the date it was checked.

What it does

Dashboard tools
Mongoose Wizard lets users visually arrange dashboard controls, define a REST API, select target hardware, and generate an editable project.checked 8 Oct 2026
Firmware updates
The library includes OTA firmware update workflows, and the maker describes signature verification and automatic rollback on its CRA page.checked 8 Oct 2026
Integrations
Mongoose can work with existing network stacks such as lwIP, Zephyr, and NetX, or run with its own built-in TCP/IP stack.checked 8 Oct 2026
Intended users
The maker describes Mongoose for developers building connected products and embedded device interfaces, including dashboards, REST APIs, telemetry, remote control, and software updates.checked 8 Oct 2026
Licensing limit
Commercial products using GPLv2 must release their source under GPLv2 unless they obtain a commercial license.checked 8 Oct 2026
Protocols
It implements event-driven non-blocking APIs for TCP, UDP, HTTP, WebSocket, and MQTT.checked 8 Oct 2026
Purpose
Mongoose is a two-file C/C++ networking library and embedded web server for connecting devices and building browser-based device dashboards.checked 8 Oct 2026
Resource footprint
The maker says Mongoose runs on 8-bit MCUs with 6 KB RAM, and its built-in TLS uses about 50 KB flash and a few KB RAM per connection.checked 8 Oct 2026
Security limits
The maker says Mongoose covers the networking layer for CRA work, while product application logic, hardware interfaces, and other process requirements remain the customer's responsibility.checked 8 Oct 2026
Security process
Cesanta describes continuous integration testing, sanitizer tests, OSS-Fuzz scanning, vulnerability report coordination, and private patches for eligible commercial customers before public CVE disclosure.checked 8 Oct 2026
Support
Commercial support provides direct engineering access; reports are acknowledged and classified within two working days, and critical issues are worked on immediately.checked 8 Oct 2026

The company

Founded
2004checked 28 Sep 2026
Headquarters
Dublin, Irelandchecked 28 Sep 2026
Maker
Cesanta Software Ltd says it is headquartered in Dublin, Ireland, and was established in 2013 after Mongoose development began in 2004.checked 8 Oct 2026

Where it runs

Platform support
The maker lists Linux/UNIX, macOS, Windows, Android, FreeRTOS, and embedded architectures including ESP32, NRF52, STM32, and NXP.checked 8 Oct 2026

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