Description: Diigo is a social bookmarking website that allows users to bookmark web pages and highlight or annotate parts of the pages. Users can categorize their bookmarks, search through bookmarks, and access bookmarks from any computer.
Type: software
Description: Drupal is an open-source content management system and web framework written in PHP. It allows users to easily create, manage, and publish content on websites. Drupal has a large community behind it and thousands of add-on modules and themes available.
Type: software
Pricing: Free