Volume I
Verdict
daily logic-grid deduction puzzles
A fresh case every day, solved by reading the evidence and ruling out the impossible.
Endpaper Labs
An independent software studio
Work with us
Focused software for the work between your tools.
Start with a paid Workflow Blueprint: a clear map, a practical recommendation, and defined first-version boundaries.
Explore the Workflow BlueprintFrom the shelf
Volume II
Terra Tempus
where and when it happened, daily
Place a real event on the map and timeline, then see how closely history remembers you.
Volume III
PrismCV
the resume workbench
Shape, tailor, and track applications from one focused workspace.
Centerline
a private chromatic tuner for Android and iPhone
Free chromatic tuning from 62 to 800 Hz, plus Guitar mode. No ads, no account, one-time unlock.
further volumes in preparation