Places about Ecco and related, beyond COH!
Arkonviox.com
Dark Sea
The Atlantis [Russian language]
Attila Heger's website: Ecco music composer
Tim Follin's website: Ecco DotF music composer
David Brin's Official Website: Ecco DotF story writer
Let's Play Ecco DotF: Video walkthrough by Xythar
Aerophonon: Ecco Music Remixes [Japanese language]
EMGE's FinFin Homepage: About the famous AI lifeform for the PC
Aquaria: Computer Game in an Ecco-esque underwater setting