The document is the June 2012 Eclipse Open Source Developer Report. It provides results from a survey of over 700 Eclipse developers. Some key findings include:
- Java is the most popular programming language and Windows the most common development OS, though Linux usage is growing.
- Open source technologies like Spring, Maven, Git, and Tomcat are widely used. Mobile development and cloud computing are areas of increased focus.
- Most developers contribute personally to open source projects and spend significant personal time programming to expand their skills.