Question: Need a browser extension that allows me to create separate workspaces for different projects and syncs across devices.

If you're looking for a browser extension to create separate workspaces for different projects and sync them across devices, Phew AI Tab could be just the ticket. It employs AI-based grouping and spaces in a vertical sidebar to organize your tabs. It's got AI-based auto grouping and collapsing, a global search, and encryption with local AES 256 encryption. It also syncs with the cloud, so you can use it on multiple machines.

If you want a full-featured productivity suite, SigmaOS is a next-gen browser with a variety of tools to get you more done. It's got workspaces for organizing tabs, vertical tabs, split-screen modes and ad-free browsing. SigmaOS also has autosync so you can restore your setup if you reset your browser, so it's a good option for people who want a reliable and feature-rich browser.

Last, TabHub offers an all-in-one tab manager with cloud sync, AI-powered smart grouping and real-time team collaboration. It's got a lot of features to organize and manage your tabs, including analytics and a time tracker. With its Pro plan, you get unlimited workspaces and 24/7 priority support, so it's a good option for people who want to boost productivity and collaboration.