fivesecondtest : Landing page optimization for your mocks and wireframes.
Fivesecondtest helps you fine tune your landing pages and calls
to action by analyzing the mo...
SQL Fiddle : A tool for easy online testing and sharing of database problems and their solutions.
Mind42 : Collaborative mind mapping in your browser
Beekeeper Studio : Open Source cross-platform SQL Editor and Database Manager. Use Beekeeper Studio to query and manage your relational databases, like MySQL, Postgres, ...
