taiga https://taiga.io/
taskwarrior https://taskwarrior.org/
nextclouds Deck app https://apps.nextcloud.com/apps/deck
wekan https://github.com/wekan/wekan
kanboard https://kanboard.org/
taiga https://taiga.io/
taskwarrior https://taskwarrior.org/
nextclouds Deck app https://apps.nextcloud.com/apps/deck
wekan https://github.com/wekan/wekan
kanboard https://kanboard.org/