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: Guora is a knowledge sharing platform where users can ask and answer questions on a wide range of topics. It allows people to share their knowledge and get expert information from others in the community.
Type: software
Pricing: Open Source