Osalt is a website that lists open source alternatives to commercial software products. 

To find alternatives users can search and browse site by categories such as...

• business,
• communications,
• databases,
• multimedia,
• development,
• graphic applications… etc.

When a category is selected, the OSalt will list open source applications and also show you the top commercial applications with their open source counterparts.

To summarise...

• Lists free open source alternative to commercial software.
• Search and browse by categories.
• Shows top commercial software and the open source counterpart for each category.