RebTel vs Sivver
A side-by-side look at RebTel and Sivver. For an in-depth review of either product, follow the links below.
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
Sivver
Office & Productivity
Sivver is a free and open source document management system for organizing business documents and files. It allows uploading, tagging, searching, version control, and collaboration features for documents.
documentsfilesuploadingtaggingsearchingversion-controlcollaboration