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We are Cesanta Software Ltd, a company headquartered in Dublin, Republic of Ireland.

Our story roots back to 2004, when Mongoose Web Server Library development started. As Mongoose Web Server grew in popularity and matured over the following years, in 2013 Cesanta was established to continue its development and provide support to our valued customers.

We are proud to have among our customers many Fortune 500 companies as well as medium and small size businesses. Security and quality of our solutions is a paramount for us and the fact that Mongoose Web Server is used by NASA aboard the International Space Station is the best confirmation to it.

Our solutions are:

integrated commercial products

Integrated into thousands of commercial products

deployed production environment

Deployed to hundreds of millions devices in production environment

Our range of products

Since 2013, Cesanta has expanded its product portfolio. We develop and distribute embedded software and hardware with focus on connected products and the Internet of Things

Mongoose Networking Library

embedded networking core

Mongoose OS

a framework for IoT firmware development


a platform for remote device firmware updates


a device management IoT Cloud