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: Mastodon is an open-source, decentralized social media platform similar to Twitter. It allows users to post 'toots' of up to 500 characters to followers within a federated network of independently operated servers.
Type: software
Pricing: Free