Apache OpenOffice Calc vs RebTel
A side-by-side look at Apache OpenOffice Calc and RebTel. For an in-depth review of either product, follow the links below.
Apache OpenOffice Calc
Office & Productivity
Apache OpenOffice Calc is a free, open source spreadsheet software that is similar to Microsoft Excel. It offers features for calculations, graphing, pivot tables, and database management.
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RebTel
Social & Communications
RebTel is an open-source alternative to Skype focused on privacy and security. It offers encrypted messaging, audio/video calls, screen sharing, and other communication tools.
messagingvoipvideo-callingopen-sourceprivacysecurity
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