Heptabase vs Kdan PDF Reader

A side-by-side look at Heptabase and Kdan PDF Reader. For an in-depth review of either product, follow the links below.

Heptabase

Development

Heptabase is an open-source database management system built for developers to easily store, query, and manage data at any scale. It offers a flexible document data model with automatic indexing and powerful aggregations.

opensourcedatabasedocumentorientedscalable

Full review → Alternatives

Kdan PDF Reader

Office & Productivity

Kdan PDF Reader is a free PDF viewer and editor for Windows, Mac and Linux. It allows you to view, annotate, and collaborate on PDF documents. Key features include tabbed viewing, annotation tools, form filling, encryption/decryption, and cloud storage integration.

pdfreaderviewereditorannotatecollaborateform-fillencryptdecrypttabbed-viewing

Full review → Alternatives