STDU Viewer vs Tango
A side-by-side look at STDU Viewer and Tango. For an in-depth review of either product, follow the links below.
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
Tango
Social & Communications
Tango is a free and open source, cross-platform program for video calling and instant messaging using Voice over IP. It offers encryption, group conversations, file transfers, customizable user profiles, and other features.
video-callingmessagingencryptionopen-source
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