RebTel vs STDU Viewer
A side-by-side look at RebTel and STDU Viewer. 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
STDU Viewer
Office & Productivity
STDU Viewer is a free portable software used to open and view various file types like PDFs, images, Microsoft Office documents, emails, archives, EPUB books and more. It supports viewing over 20 file formats and includes features like tabbed browsing, thumbnail previews, bookmarks and annotations.
pdfimagesoffice-documentsemailepubtabbed-browsingannotations
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