STACKSPACE

Your local-first, layered productivity workspace.

STACKSPACE is a modular productivity workspace that keeps your work organized in one calm, expandable browser app. Use independent vertical drawers for: • Calendar planning with day, week, month, year and agenda views • Daily planning boards with notes, checklists, links and priorities • Tasks with priorities, deadlines, subtasks and Kanban views • Rich notes with folders, tags, backlinks and search • Goals, habits, streaks and progress tracking • Focus sessions, timers and session history • Projects and progress indicators • Workbooks with formulas, sheets and CSV/XLSX import and export • Bookmarks and research snippets • Productivity analytics • World clocks, stopwatch, alarms and countdown timers • Website focus blocking with an optional bundled ad-domain list • Unlimited custom pages and reusable workspace presets STACKSPACE is local-first. Your workspace is stored in the browser using IndexedDB and works without an account or cloud service. Export a backup whenever you want an off-device copy. The extension includes a popup, Chrome side panel, full-page workspace and expandable app-mode window. Keyboard shortcuts, dark mode, reduced motion, RTL language support and accessible drawer navigation are included. Website blocking is opt-in and requires Chrome host access only when enabled. It does not block Windows applications, other browsers or Chrome internal pages. Optional service shortcuts are provided for common work tools; provider account synchronization is not included in this release.