Notion.

US all-in-one workspace for notes, docs, and project management

Feiten

Nuclino
Duitse collaborative knowledge base en wiki
DE · commercial
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XWiki
French enterprise wiki; self-host.
FR · open-source
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Nextcloud
Open-source self-hosted collaboration platform for file sync, chat, and office
DE · open-source
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BookStack (self-host)
Self-hosted documentation and wiki platform
EU · open-source
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Kanboard
Frans open-source kanban projectmanagement
FR · open-source
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Leantime
Duits open-source projectmanagement voor strategie en uitvoering
DE · open-source
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OpenProject
German open-source project management software with Gantt, boards, and BIM
DE · open-source
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Planka
Duits open-source kanban board als Trello-alternatief
DE · open-source
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