Cesanta is a software engineering company based in Dublin, Ireland. Our area of expertise is embedded software focused on connected products and the Internet of Things. Most of our products are open source:

  • Mongoose OS - an operating system for low-power microcontrollers
  • Mongoose Web Server - an embedded web server and networking library
  • Frozen - a low footprint JSON parser and emitter for C/C++
  • mJS - an embedded JavaScript engine for C/C++ applications

As well as developing open source software, we provide professional services. We have hundreds of paying customers and with many of them, we are engaged in custom development projects.

Have questions about Cesanta, our licensing, support services or anything else? Let us know!