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Efficient Diary vs Penbook

A side-by-side look at Efficient Diary and Penbook. For an in-depth review of either product, follow the links below.

Efficient Diary

Efficient Diary

Office & Productivity

Efficient Diary is a free, open-source diary and journal app for Windows. It allows keeping a private diary with calendar integration, password protection, multiple diaries support, rich text formatting, and more.

diaryjournalcalendarpassword-protection
Penbook

Penbook

Office & Productivity

Penbook is a free and open-source note taking app designed for handwritten notes. It allows users to write notes naturally with a stylus, with features like pressure sensitivity, palm rejection, and customizable pens and paper. Useful for taking quick handwritten notes on a tablet.

handwritingstylusnotesopen-source