Easy Tab Clusters

Cluster tabs with the same root URL.
- Display a window shows all the active tabs.
- All the tabs are categorized by their root URL.
- Links to all tabs under each category for fast access.

Updates:
- v1.8: small change to image
- v1.7: new UI style
- v1.6: updated new icons sets
- v1.5: bug fix, active and highlighted tabs can't be closed
- v1.4: bug fix, UI freeze after last active tab is closed (lose context)
- v1.3: added close tab option

It's a open source project. Source code: https://github.com/solosodium/TabCluster