Coinfi
crypto market intelligence platform
Danbooru
taggable image board
Ekylibre
farm management information system
libraries.io
open-source discovery service
lobsters
link-aggregation site, inspired by Hacker News
Mastodon
distributed, interconnected microblogging
Open Split Time
endurance event data management
Skyderby
flight analysis and competition scoring
Upcase.com
learning platform for programming