Projects.

Test what an investment would actually have done, against US market history reaching back to 1900. Buy and hold or dollar-cost average. Or replay the market one bar at a time and trade it yourself. Orders fill at the next bar's open, so you can never trade on a price you have already seen. It accounts for dividends and inflation, and every number says where it came from.

Batch transcription for audio and video, built on faster-whisper, with a small web UI and a queue you can stop and resume. It runs entirely on your own machine, with no cloud services and no telemetry. The only network access it ever makes is the one-time model download, and you can do that up front and then run it air-gapped.

The hosted version of Tertius, for anyone who does not want to install Python to transcribe one file. Upload audio or video in the browser and get back text, SRT or JSON. Long recordings are split on silence first, so a 38-minute talk is transcribed in chunks and comes back as one transcript. You sign in with an emailed link and there is no password. The first ten minutes are free, and after that you buy minutes up front instead of running up a bill.

A desktop app that scans from virtually any printer or scanner, then crops, rotates, flips, recolors and marks up the result before exporting to JPG, PNG, TIFF or PDF. One obvious button to scan, one obvious button to save. It has light and dark themes and follows your OS setting by default.

It projects what an investment grows into over time, with contribution schedules that change year to year. It will also run a historical comparison: what the same money would have done in a given ticker instead.

Put meals on a calendar and scale a recipe to however many people you are feeding. Type in what you expect to pay per ingredient and the grocery cost adds up as you go. Everything stays in the browser. There is no account to make and no backend to run.