STDU Viewer vs Y99
A side-by-side look at STDU Viewer and Y99. 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
Y99
Office & Productivity
Y99 is a free and open-source note taking and to-do app for Windows, macOS and Linux. It features a minimal interface, tabs for organization, Markdown support, and syncing capabilities across devices.
opensourcecrossplatformmarkdownsync
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