Focused software for
real problems.
Fine Ware s.r.o. builds small, purposeful tools that respect your privacy and stay out of your way.
Products
Software we build and ship.
Private Fraud Notifier
A scammer keeps you on the phone while you "just check your balance" — PFN catches that. Alerts you the moment a banking or remote access app opens during a call. Entirely on-device, covering banks in 82 countries out of the box.
LeSynth Fourier
A free, open-source VST synthesizer plugin. Additive synthesis powered by Fourier series — precise control over harmonic content.
View on GitHub →
Privacy first
Your data stays on your device. We don't collect, track, or monetise your behaviour.
No bloat
Each product does one thing well. Small, fast, and direct — nothing superfluous.
Built to last
Written in Rust. Reliable, efficient, and without the dependency churn of trendier stacks.