Download Lucium

0.2.0Planned for the end of November 2026, if all goes wellFirst public version, in alpha

• A sidebar with Spaces, favorites, pinned tabs, nested folders and today’s tabs that archive themselves.
• The ⌘T command bar, Split View with up to four pages, Glance, mini windows and Tweaks.
• Manifest V3 extensions, loaded from a folder or installed from the online extension store.
• An ad and tracker blocker, on from the first launch.
• Tab sleep and freeze, with a cap on awake tabs and a resource gauge in the sidebar.
• Import of the bookmarks and history of your current browser and, depending on what it stores, of its Spaces and tabs.
• A setting for every feature, and “Set up in a few questions” in each category.

Known limits: Mac with Apple silicon only; no automatic update; extension APIs are partial, as Electron only provides some of them.