Common Ground

Small, free tools for the practical side of sharing life with other people: money, time and the place you live. No accounts, no tracking, and what you enter stays on your device.

Tally

Split costs for a trip or a shared house and get the fewest payments that settle everyone up.

Open Tally →

Overlap

Find a meeting time that works across cities, with daylight saving handled for the real date.

Open Overlap →

Handover

Document a rental move-in or move-out room by room, with dated photos, and save it as a PDF.

Open Handover →