Mongoose Web Server

Plans
| Plan | Billed and limits | Price |
|---|---|---|
| GPLv2 Open Source | GPLv2 terms; commercial products must release source under GPLv2 | Free |
| Commercial | Permanent, royalty-free; bespoke pricing by project · One product, product family, company-wide, or custom coverage; yearly maintenance and support subscription is optional for some license types | On request |
| Evaluation | Request an evaluation license to use with non-GPL software; commercialized projects require a commercial license | On request |
As mongoose.ws lists them, read 8 Oct 2026. The maker's own page has the final word.
Facts from Mongoose Web Server's own pages
- Dashboard tools
- Mongoose Wizard lets users visually arrange dashboard controls, define a REST API, select target hardware, and generate an editable project. · mongoose.ws, 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. · mongoose.ws, 8 Oct 2026
- Founded
- 2004 · mongoose.ws, 28 Sept 2026
- Headquarters
- Dublin, Ireland · mongoose.ws, 28 Sept 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. · mongoose.ws, 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. · mongoose.ws, 8 Oct 2026
- Licensing limit
- Commercial products using GPLv2 must release their source under GPLv2 unless they obtain a commercial license. · mongoose.ws, 8 Oct 2026
- Maker
- Cesanta Software Ltd says it is headquartered in Dublin, Ireland, and was established in 2013 after Mongoose development began in 2004. · mongoose.ws, 8 Oct 2026
- Platform support
- The maker lists Linux/UNIX, macOS, Windows, Android, FreeRTOS, and embedded architectures including ESP32, NRF52, STM32, and NXP. · mongoose.ws, 8 Oct 2026
- Protocols
- It implements event-driven non-blocking APIs for TCP, UDP, HTTP, WebSocket, and MQTT. · mongoose.ws, 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. · mongoose.ws, 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. · mongoose.ws, 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. · mongoose.ws, 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. · mongoose.ws, 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. · mongoose.ws, 8 Oct 2026
Where Mongoose Web Server stands on Freedom251
- WebSocket Tools#6 of 55
- Web Server Software#7 of 36
