Costarium
The spatial bookmarking system that cleans itself
Freemium - Free tier available; paid plans and details on the /pricing page
About Costarium
Costarium is a visual bookmarking workspace that turns static links into “living” stars you’ll actually revisit. Save links as draggable stars, click to open and increment visits, set reminders, and let unused items fade or be cleaned automatically. Includes an interactive demo and a health-driven layout that surfaces frequently used resources while removing clutter.
Key Features
- Spatial visual workspace: links appear as draggable stars
- Living links: visits update link prominence and visibility
- Automatic cleanup: unused links fade and can be deleted via ‘black hole’
- Reminders and revisit prompts to surface saved content
- Interactive demo to try core behaviors before signing up
Who is this for?
Knowledge workers, students, researchers, and anyone who saves and revisits web links
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FreemiumFree tier available; paid plans and details on the /pricing page
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