SumatraPDF vs ThinkingRock
A side-by-side look at SumatraPDF and ThinkingRock. 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.
pdfebookreaderlightweightopensource
ThinkingRock
Productivity
ThinkingRock is a free, open-source personal task and time management app. It helps users organize tasks, projects, track time, set reminders, and plan their day with a calendar and planner.
todotasksplanningorganization
Related Comparisons
PDF-XChange Viewer
GoodReader
EPUB Book Translator
EPUBReader
Koodo Reader