Foxit Reader
Description: Foxit Reader is a free PDF reader that provides fast PDF viewing, editing, organizing and security features. It is a lightweight alternative to Adobe Acrobat Reader.
Type: software
Pricing: Freemium
Vis.js
Description: Vis.js is a dynamic, browser based visualization library. It offers utilities for data visualizations like timelines, networks and graphs out of the box. It's easy to get started with and integrates well with web applications.
Type: software
Pricing: Open Source