Description: Notekeys is a free and open-source note taking and organization software. It allows users to take notes, organize them into notebooks and categories, link notes together, attach files, and search through all their notes quickly.
Type: software
Pricing: Open Source
Description: Okular is a versatile document viewer software for KDE. It supports viewing PDFs, EPUBs, ODT, and other document formats. Okular allows annotating, highlighting, commenting on documents as well as filling forms.
Type: software
Pricing: Free