Productivity Signal

Free interactive productivity tools

No account, no upload: your answers stay in your browser. Each tool explains its rules and its limits.

Guides and analyses

Interactive tool

AI Productivity OS Builder

Answer 13 questions and get a suggested daily workflow, weekly rhythm, priority system, app stack, automation recipes and a 4-week checklist. Free.

Updated 2026-11-10B
Free planner

Focus & Cognitive Performance Planner

Plan deep-work blocks around your meetings and energy, get a focus timer, interruption fixes and three experiments. Evidence-graded, no sign-up.

Updated 2026-11-10B
Newsletter

The Daily Signal

One topic a day from work, focus and AI, researched each morning and sent at about 8:30 Prague time, with its sources. No hype, one-click unsubscribe.