IDE:

- Apple Xcode

- Eclipse

- IntelliJ IDEA

- MS Visual Studio

Platforms:

- iPhone

- Google Android SDK

- Microsoft .NET

- Java

- Objective-C

Source Control Tools:

- SVN

- CVS

- Git

Issue Management:

- LightHouse

- JIRA

RDBMS:

- MySQL

- PostgreSQL

- SQLite

- Oracle

- MSSQL Server

Project Management:

- Basecamp

- Redmine