Open Source

OSAlt
- Find open source software alternatives to well-known commercial software
  Our mission is to provide easy access to high quality open source alternatives to well-known commercial products. And remember that open source software is also a freeware alternative.
Open Office
- A multiplatform and multilingual office suite and an open-source project. Compatible with all other major office suites, free to download and use.
LibreOffice
- LibreOffice is the power-packed free, libre and open source personal productivity suite for Windows, Macintosh and GNU/Linux, that gives you six feature-rich applications for all your document production and data processing needs: Writer, Calc, Impress, Draw, Math and Base. Support and documentation is free from our large, dedicated community of users, contributors and developers.
  You, too, can get involved!
AlternativeTo
- We have one mission: helping you find the right software for your computer, mobile phone or tablet. Our main focus is to give you alternatives to software you already know and want to replace.
  Based on our users recommendations we list great alternatives to the applications you want to replace. By joining the site you can participate in the process of making these recommendations better, so please join in!