Side Space
A sidebar-first workflow makes Side Space feel less like “tab dumping” and more like an ongoing organization system. Instead of collapsing everything into a single list the way OneTab does, it keeps your browsing structured through Spaces and groups that stay visible while you work.
Side Space stands out when you want help deciding where tabs belong, not just a place to stash them. Its AI-assisted sorting and grouping is geared toward people who routinely juggle large, messy tab sets and want quick, sensible clusters without manual dragging and renaming.
It’s also a strong fit for anyone who moves between devices or browsers and wants continuity. With sign-in sync, Spaces can follow you across environments, avoiding the export and import routines that often come with simpler tab savers.
The trade-off is that it’s built around curation rather than pure archiving. If the goal is to “snooze everything and forget it,” OneTab’s minimal list model may feel lighter, while Side Space shines when the goal is a durable, navigable tab system.
Best for
Best for researchers and power users who want AI-assisted grouping and synced tab spaces across devices.
Standout features
- ✓Persistent sidebar with Spaces and groups
- ✓AI sorting and tab grouping
- ✓Cross-browser and cross-device sync
- ✓Free plan for getting started
