Available Linux Applications or Linux (FOSS) Equivalent Alternatives to MS Windows Software

Most of the time friends and students asked about what free and open source software apps in Linux are available for their particular needs. Or questions like: “I use this software in MS Windows, if I migrate to Linux is there something similar I could use?” Before, as a response, I usually do a search of the Internet to look for FOSS apps, show it to them and then forget about it until another same question would crop up. A few months ago I started bookmarking some useful sites I can point to those interested (so I will also have something to refer back to once I forget those urls, which happens most of the time :-) ). And Yes! Everything you can do in MS Windows you can do in Linux or other FOSS flavors.

Here’s an initial listing (will try to add once I discover other sites. I will be grateful if others can also help by showing me other sites :-) ): Applications or Linux (FOSS) Equivalent Alternatives to MS Windows Software