RoundPic : Online tool for making anti-aliased rounded corners (very Web 2.0!) for avatars and images
pg_chameleon : pg_chameleon is a MySQL to PostgreSQL replica system written in Python 3. The tool can connect to the mysql replication protocol and replicate the dat...
Favicon Generator : Upload an image (GIF, JPEG or PNG) and convert it to a Windows favicon (.ico)
Dex : Dex is a MongoDB performance tuning tool that compares queries to the available indexes in the queried collection(s) and generates index suggestions b...
SQL Fiddle : A tool for easy online testing and sharing of database problems and their solutions.