Errbit - The open source error catcher that's Airbrake API compliant
Poedit - Poedit translations editor. The best way to translate apps and sites.
SQLAlchemy - SQLAlchemy is the Python SQL toolkit and Object Relational Mapper that gives application developers the full power and flexibility of SQL.
POEditor - The translation and localization management platform that's easy to use *and* affordable!
SqlPad - Run SQL in your browser and chart the results
PO File Editor - A FREE online editor that helps you manage translations in PO files for your multilingual software projects.