The official website is [http://www.ravencoin.org RavenCoin.org]
RavenCoin was launched on the 3rd of January 2018. A fair launch with no pre-mine. Announced on twitter: [https://twitter.com/brucefenton/status/948682276229074945 https://twitter.com/brucefenton/status/948682276229074945]It's a truly open source project, no ICO, no masternodes, focused on building a useful technology, with a strong and growing community.
A video of the first RavenCoin Dev meet up (mid Feb 2018) is available [https://youtu.be/kT5s3KC9Ho4 here]