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
  • mJS - an embedded JavaScript engine for C/C++ applications
  • Frozen - a low footprint JSON parser and emitter for C/C++
Have questions about Cesanta, our licensing, support services or anything else? Let us know!