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ICQ vs STDU Viewer

A side-by-side look at ICQ and STDU Viewer. For an in-depth review of either product, follow the links below.

ICQ

ICQ

Social & Communications

ICQ is an instant messaging client and software that was first released in 1996. It became popular in the late 1990s as one of the first multi-platform instant messaging clients. Key features of ICQ include one-on-one and group text chats, voice and video calls, offline messaging, and file transfers.

messagingchatvideo-callvoice-callfile-transfer
STDU Viewer

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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