TTTommy ToolsIndependent developer tools

Projects

Small tools with a clear purpose.

Focused applications for data transformation, visualisation, athletic performance, sports modelling and music creation.

AIBackend app

AI Chart Editor

Upload a chart and its dataset, reconstruct the visual with AI, then refine and export it as editable SVG or PNG.

ETLBackend app

AI Data ETL

Compare a target data model with a source spreadsheet, generate reviewable Python, run a verified conversion and download the resulting CSV.

GSBackend app

Garmin Sprint Calculator

Upload a Garmin FIT or ZIP file, detect sprint efforts, inspect speed curves and estimate 100 metre performance.

SPStatic

Sprint Performance Calculator

Age-grade and wind-correct sprint marks, calculate combined-event points and compare equivalent sprint performances.

RPStatic

Rugby Forward Pass Calculator

Explore how running speed, pass direction, distance, spin and wind affect the ball’s path and pass legality.

101Static

SH-101 Vibe Synth

Play a browser-based monosynth inspired by the Roland SH-101, including oscillators, filter, envelope and sequencer.

VMStatic

Sprint Speed Model

Adjust acceleration, fatigue and top velocity to explore a modelled 100 metre speed curve and predicted finish time.