Book & Course Slop Checker
Look for filler, repetition, weak sourcing, and unsupported expertise before purchasing.
Open the checker →Free tools
Tools for checking, planning, and staying mentally active.
Use structured checkers and browser activities to slow down before buying, clicking, believing, or sharing sensitive information.
Check before acting
AI, scam, password, and quality checkers
Spam or Scam Checker
Review suspicious emails, texts, invoices, links, and urgent requests.
Open the checker →Too Good to Be True Checker
Examine miracle claims, sweepstakes, investment promises, and polished but incomplete offers.
Open the checker →Password Safety Planner
Plan password-manager use, recovery access, and household instructions without entering actual secrets.
Open the planner →Real Phishing Example
Study a cloud-storage deletion message and identify six warning signs.
Analyze the example →Brain break
Crosswords and word activities
Crossword Library
Choose among multiple browser-based puzzle styles.
Open the library →Curious Word Fill Sampler & Book
Try a free large-print puzzle, then explore the published 100-puzzle paperback.
Sampler and book details →Memory Games for Active Seniors
Learn about the book and its collection of varied mental activities.
Open the book page →Options simulators have moved
The Covered Call Lab and Cash-Secured Put & Wheel Lab are now organized with the options research and technical material.