SumatraPDF vs Thorium Reader
A side-by-side look at SumatraPDF and Thorium Reader. For an in-depth review of either product, follow the links below.
SumatraPDF
Office & Productivity
SumatraPDF is a free and open-source PDF, eBook, XPS, DjVu, CHM, Comic Book (CBZ and CBR) reader for Windows. It is lightweight, customizable, and supports many advanced PDF features.
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Thorium Reader
News & Books
Thorium Reader is an open-source RSS reader and news aggregator. It allows you to subscribe to RSS feeds and read articles from various websites and news sources in one place. Features include automatic feed updates, offline reading support, article search and tagging, dark mode, and cross-platform sync.
rssnewsreaderaggregatorofflineopensource
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