Nuclino
US alternative: NotionLightweight collaborative workspace for docs, knowledge, and simple project organization.
Free optionFully European
Overview
Nuclino is a deliberately lightweight collaborative workspace for documents, knowledge bases, canvases, graph views, and simple structured collections. It competes less on maximal feature breadth than on speed, clarity, and low friction.
Why it is listed
Replaces
Notion
European signal
Reviewed as strongly European-aligned
Privacy and hosting notes
Private workspaces, export options, and GDPR-focused security controls are documented.
Funding and ownership
Founder-owned and profitable today; early six-figure angel financing was reported in 2016.