Welcome to OS-College! The Website focuses on teaching about open-source office suites and other applications that work equally well on Windows, Mac, and versions of desktop Linux. There is also information about several Linux distros.

LibreOffice
LibreOffice is one of the most feature-rich office suites on the market, and its latest versions run equally on Windows, Mac OS, and Linux distros.
It contains a StartCenter and six applications:
- Writer
- Calc
- Impress
- Draw
- Base
- Math
Click here to visit the LibreOffice overview page.

OnlyOffice
OnlyOffice is a Web-based office suite that has desktop editors for Windows, Mac, and multiple Linux operating systems. These editors can create documents offline.
Applications that are part of the editors and Web interface:
- word processor
- spreadsheet
- presentation
Click here to visit the OnlyOffice overview page.
Other software

GIMP

Thunderbird

Other applications
blogs
Latest blogs
Application blogs
Formulas
Inverse cosine (ACOS)
The inverse cosine formula can be used in every spreadsheet application. Click the following page to learn more about it:
Linux
- Ubuntu
- Linux Mint
Other apps
Click here to be taken to the page about the latest application other than LibreOffice