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# <img src="http://www.cesanta.com/hubfs/www.cesanta.com/Images/mongoose_library.png" width="64" height="64"> Mongoose - Embedded Web Server / Embedded Networking Library
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![](https://img.shields.io/badge/license-GPL_2-green.svg "License")
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Mongoose is ideal for embedded environments. It has been designed
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for connecting devices and bringing them online. Mongoose
is on the market since 2004, used by vast number of open source and
commercial products - it even runs on space stations!
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Mongoose provides easy to use event-driven interface that allows to implement
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network protocols or scalable network applications with little effort.
Mongoose helps developers to manage the complexity of network programming
and let them concentrate on the logic, saving time and money.
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If you're looking for a pre-compiled Windows or Mac binary,
- [Download pre-compiled Mongoose web server binary ](https://www.cesanta.com/products/binary )
Alternatively,
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- [Download Mongoose Source Code here ](http://hubs.ly/H01bWvx0 )
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- [Check our latest releases] (https://github.com/cesanta/mongoose/releases)
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- [Read User Guide and API reference ](https://docs.cesanta.com/mongoose/dev )
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- [Study mongoose example code ](https://github.com/cesanta/mongoose/tree/master/examples )
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If you are looking for a complete IoT platform with firmware and cloud compotent,
- [Check out Smart.js - a full stack IoT platform ](https://github.com/cesanta/smart.js )
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# Support
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- [Support Forum - Ask your technical questions here] (http://forum.cesanta.com/index.php?p=/categories/smart-js)
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- [Chat - Visit www.cesanta.com for our live chat] (http://www.cesanta.com)
- [Commercial one-to-one support - Available to all commercial license holders] (https://www.cesanta.com/services-support)
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# Features
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* Cross-platform: works on Linux/UNIX, MacOS, QNX, eCos, Windows, Android,
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iPhone, FreeRTOS (TI CC3200, ESP8266), etc
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* Single-threaded, asynchronous, non-blocking core with simple event-based API
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* Native support for [PicoTCP embedded TCP/IP stack ](http://www.picotcp.com ),
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[LWIP embedded TCP/IP stack ](https://en.wikipedia.org/wiki/LwIP )
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* Builtin protocols:
- plain TCP, plain UDP, SSL/TLS (over TCP, one-way or two-way)
- HTTP client, HTTP server
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- WebSocket client, WebSocket server
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- JSON-RPC client, JSON-RPC server
- MQTT client, MQTT broker
- CoAP client, CoAP server
- DNS client, DNS server, async DNS resolver
* Tiny static and run-time footprint
* Source code is both ISO C and ISO C++ compliant
* Very easy to integrate: just copy
[mongoose.c ](https://raw.githubusercontent.com/cesanta/mongoose/master/mongoose.c ) and
[mongoose.h ](https://raw.githubusercontent.com/cesanta/mongoose/master/mongoose.h )
files to your build tree
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# Licensing
Mongoose is released under commercial and [GNU GPL v.2 ](http://www.gnu.org/licenses/old-licenses/gpl-2.0.html ) open source licenses.
Commercial Projects:
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Once your project becomes commercialised GPLv2 licensing dictates that you need to either open your source fully or purchase a commercial license. Cesanta offer full, royalty-free commercial licenses without any GPL restrictions. If your needs require a custom license, we’ d be happy to work on a solution with you. [Contact us for pricing.] (https://www.cesanta.com/contact)
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Prototyping:
While your project is still in prototyping stage and not for sale, you can use Mongoose’ s open source code without license restrictions.
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# Dashboard Example
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Mongoose is often used to implement device dashboards and real-time
data exchange over Websocket. Here is a dashboard example that illustrates
the functionality:
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![](http://www.cesanta.com/hubfs/www.cesanta.com/diagrams/dash_mongoose_diagram.png)
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[Developing a new product? Contact us today to discuss how Mongoose can help
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](https://www.cesanta.com/contact)
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# Contributions
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People who have agreed to the [Cesanta CLA] (https://docs.cesanta.com/contributors_la.shtml) can make contributions. Note that the CLA isn't a copyright assigment but rather a copyright license. You retain the copyright on your contributions.
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[![Analytics ](https://ga-beacon.appspot.com/UA-42732794-5/project-page )](https://github.com/cesanta/mongoose)