Are you looking for an open source alternative to a well-known commercial application? Do you use an open source program and want to see what commercial product is similar? Well, check out Open Source Alternative, a directory of cross-referenced open source and commercial applications.
You can browse by categories such as business, communications, multimedia and web development or search the directory by application name. On a program’s detail page will be a short description, a link to its web site, the platforms that are supported (Java, Linux, Mac, Unix and/or Windows), and a list of alternatives. For a commercial product, open source alternatives are listed. For an open source product, commercial alternatives are listed. I’ve found it to be a very handy resource for locating software solutions.