Parsec - Streams games locally or over the internet
Datahike - A durable datalog database adaptable for distribution.
Moonlight-Stream.org - Moonlight allows you to stream your collection of games from your GameStream-compatible PC to any...
MySQL - The world's most popular open source database
Shadow - Transform any device into a supercharged gaming machine.
Matisse - Matisse is a post-relational SQL database.