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
Description: Sinatra is a light-weight, open source web application library and domain-specific language written in Ruby. It allows developers to quickly create web applications and APIs with minimal effort.
Type: software
Pricing: Open Source