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.

Click the below label to reveal information about 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.

Click the below label to reveal information about 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



Other applications

Latest blogs

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Application blogs


Inverse cosine (ACOS)

The inverse cosine formula can be used in every spreadsheet application. Click the following page to learn more about it:

  • Ubuntu
  • Linux Mint
Other apps

Click here to be taken to the page about the latest application other than LibreOffice