Description: GitBook is an open source web-based platform for writing and hosting documentation and books with Markdown. It allows teams to collaboratively edit documentation in real time and publish formatted books.
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