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Open Source Software

The Internet Technologies research group is founder and co-founder of several successful open source projects such as RIOT and RTRlib. We also contribute to other open source software, to improve Internet communication


The RTRlib is a lightweight, open-source C library that implements the RPKI/RTR protocol. Basically, it fetches data from an RPKI cache server and allows for prefix origin validation as well as BGP path validation. The RTRlib is the backend for BGP daemons and monitoring tools.


aiodnsprox is a DNS proxy that supports a variety of DNS transports. On the proxy side, aiodnsprox supports DNS over UDP and DNS over TCP. On the server side, it supports DNS over DTLS and DNS over CoAP. aiodnsprox is based on Python.


Free Range Routing is a fork of Quagga, and one of the most popular BGP daemons. We contributed to RPKI support in FRR and other BGP daemons.


RPKI MIRO is a monitoring application that consists of three parts: (i) standard functions to collect RPKI data from remote repositories, (ii) a browser to visualize RPKI objects, and (iii) statistical analysis of the collected objects. The main objective of RPKI MIRO is to give you extensive but painless insight into the published RPKI content.


RIOT is the friendly operating system for the Internet of Things. It powers the Internet of Things like Linux powers the Internet. RIOT is a free, open source operating system developed by a grassroots community gathering companies, academia, and hobbyists, distributed all around the world.