ZenStack — New Tab Stock Tracker & Bookmarks

Live stock watchlists & portfolio on every new tab — plus Kanban bookmark boards. Privacy-first, Chrome sync, no ads.

ZenStack is the new tab for people who watch markets. Open a tab → live prices, your portfolio, and the links you actually use — without opening Yahoo, a broker, or five bookmark folders. BUILT FOR MARKET WATCHERS • Live stock watchlists with prices, % change and sparklines • Portfolio tracker with live value and today's P&L (multi-currency) • Market bar: S&P 500, Nasdaq 100, Dow and your portfolio's day at the top of every tab • 20 one-click presets — Magnificent 7, AI & Chips, ETFs, Dividend, Market Indexes, Crypto, Commodities, Canada, India, Europe, Asia and more • Pre-market, after-hours and overnight prices (Pro) ORGANIZE YOUR WEB LIKE A BOARD • Kanban-style bookmark boards — drag links into Work / Research / To Read • 14 curated category packs (Essentials, AI tools, Dev, Design, News, Finance…) to start in one click • Saves into native Chrome bookmarks — two-way sync, no lock-in • Instant search (Ctrl+K) across boards; save any page from the toolbar or right-click menu • Drag a board onto another to combine them; undo anything with one click ON-DEVICE AI (optional) • Organize: files your unassigned links into categories • Clean up titles: turns "Re: FW: doc (1) - Google Docs" into readable names • Runs on Chrome's built-in AI — your links never leave your computer MAKE NEW TAB FEEL GOOD • 8 illustrated live wallpapers drawn on-device — Halo, Currents, Orbits, Deep Field, each with a light twin — plus photo scenes • Light wallpapers switch the whole page to a light theme • Collapsible sidebar, greeting, quick links; Classic Home mode for a clean clock + search start page • Opens instantly — your last board and wallpaper are on screen from the first frame PRIVACY • Bookmarks stay in your browser — we don't store your boards on our servers • No ads, no selling data • Stocks via Yahoo Finance — only the tickers you choose to look up FREE vs PRO Free: boards, links, one watchlist, one portfolio and 5 wallpapers — the full workflow. Pro: unlimited boards, watchlists and portfolios, all wallpapers, extended market hours. Lifetime: Pro for life — $5 for early users (regional pricing). If you open Chrome to check tickers or hunt through bookmarks every day, ZenStack turns that into one glance.