Oberon microsystems

Oberon microsystems is a Swiss software company founded in 1993 as a spin-off of ETH Zurich, now a joint-stock company (Aktiengesellschaft) based in Zurich. It first built development tools for the Component Pascal programming language, an extension of Oberon. In 1999 it spun out Esmertec to market and develop its Jbed real-time Java operating system for microcontrollers, in 2010 it ported Microsoft's .NET Micro Framework to ARM Cortex-M microcontrollers and released the port as open source, and in 2011 it spun out Yaler, a hosted relay-server service. In 2014 it announced the Limmat project, an extensible platform for Internet of Things gateways, and in 2015 it released OberonHAP, an implementation of Apple's HomeKit Accessory Protocol optimized for microcontrollers; Apple's 2019 open-source HomeKit ADK was based on code from the company. It now concentrates on its cryptography products, ocrypto and Oberon PSA Crypto, which Nordic Semiconductor uses in its SDK. The computer scientist Niklaus Wirth was an honorary board member until his death in 2024.