Slow a song to half speed without it turning into a chipmunk, loop the four bars you cannot play, and shift the key to suit your instrument. The paid apps that do this have charged fifty dollars for twenty years.
A Soft MurmurLayer rain, waves, and distant thunder into your own ambient mix.
Acapella ExtractorPull the vocal out of a track. Crude, free, oddly fun.
Anki WebSpaced repetition flashcards. The most effective memorization tool.
Archive TodaySave any web page permanently. Useful when articles disappear.
BillfoldMake a proper invoice with line items, tax and terms, then download it free. Built for people who bill their own clients.
BitwardenOpen-source password manager. Free, trustworthy, works everywhere.
CadencePaste anything you wrote and see its shape — a bar for every sentence, tall for the long ones and short for the short. A flat row means it all sounds the same, which is hard to spot from inside your own writing.
Calculator SoupA calculator for nearly any calculation you can think of, all free.