Countdown timer with audio and push notifications.

Measure initial delay, repeat rate, and manual repeat cadence.

Crop a shared screen or application window and keep the selected region visible in an always-on-top popout.

OCR pasted images once or monitor a cropped shared-screen region live with configurable recognition, recording, comparison, and alarms.

Split weighted itemized expenses, settle balances, visualize payments, and share sessions as JSON.

Convert between decimal, hexadecimal, and binary values.

Probability Density Function visualizations.

Simulate free and forced vibration with synchronized motion, response plots, phase portraits, and energy diagnostics.