Caliopen vs Highlights
A side-by-side look at Caliopen and Highlights. For an in-depth review of either product, follow the links below.
Caliopen
Social & Communications
Caliopen is an open source and privacy-focused email and communications client. It allows users to send encrypted emails and messages without relying on large tech companies to handle their private data.
opensourceprivacyencryptionemailmessaging
Highlights
Office & Productivity
Highlights is a PDF annotation and note taking app for Windows, Mac, iOS and Android. It allows users to highlight, underline, strikethrough, add text notes, shapes and freehand drawings to PDF documents. Key features include organization of annotations by color category and easy export of notes.
annotationhighlightingnotespdf
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