Lifestack vs TabMate

Lifestack is a productivity planner that builds your daily schedule around sleep, recovery, and focus instead of empty calendar blocks. It reads wearable and health signals, maps energy peaks and calm periods across your day, and drafts a schedule that places demanding work when you can actually focus.

Most calendar apps treat you like a task executor with unlimited stamina. Lifestack treats energy, meals, and rest as first-class inputs, overlaying focus and calm zones on your calendar so you see when deep work fits and when lighter tasks make sense. That body-first layer is the trade-off: it is narrower than a general project manager, but it connects health data to scheduling decisions most planners ignore.

The product suits professionals juggling meetings and deep work, ADHD users who need external structure around energy swings, and anyone syncing tasks from tools like Trello while trying to protect sleep and meal timing. Apps run on iPhone, Mac, Android, and Chrome, with a desktop Mac download and browser extension for calendar access.

TabMate is a browser extension that uses AI to categorize and organize open tabs when you have too many. It is built for people who keep dozens of tabs open while researching, comparing options, or jumping between projects and want a cleaner browser without closing everything.

You browse normally and open tabs as usual. TabMate then groups and categorizes those tabs automatically, and you can reorganize, pin, or label groups however you like. The site describes it as an experimental approach to the classic too many tabs problem.

TabMate runs in Chrome and most Chromium-based browsers, including Edge, Brave, and Vivaldi, on macOS and Windows. The product is currently available through a beta program on the TabMate website.