Red Triangle is an independent app developer. We build software for real problems.
Tap an app to open it, or scan its code on your phone.
Sound made visible. A precision tone generator driving a real Chladni plate — or feed it your own music and watch it move. Planetary, cosmic, Vedic and gamelan frequencies.
oli.red-triangle.netAn AI knowledge & analysis platform — turn your documents and data into clear, sourced answers you can actually verify.
verediq.red-triangle.netA lightweight ledger for French income tax — estimate what you owe, follow it through the year, and never be surprised in May.
impot.red-triangle.netAn offline-first log for Parkinson's episodes — one-tap recording, medication list, and a clean report to hand the doctor. English and French.
parkinson.red-triangle.netTwenty minutes a day to rebuild real French — conjugation, pronunciation the browser actually listens to, real expressions, and a full trainer for the driving-theory exam.
francais-code.red-triangle.netWritten Tamil for people who already speak it. Indian or Sri Lankan Tamil — the written form is the same either way, so read what you've always been able to say.
padi.red-triangle.net