Useful apps. Built for daily life.
j/ makes apps and extensions that earn a place in your day. Want to build apps like these, or the dream project in your head? I can help you get there.
The j/ lineup
What's next.
j/mail
Email for people who ship.
A native macOS email client built for focus. Instant search, fast triage from the keyboard, and zero bloat. No electron, no subscription tricks.
Notify me first →j/translator
Translate anything, anywhere, instantly.
A Chrome extension that translates text, images, and full pages in place, with natural phrasing that sounds human instead of robotic.
j/focus
A distraction blocker with a spine.
Block sites and apps on a schedule you actually commit to. Hard mode makes quitting painful on purpose.
j/invoice
Invoicing that respects your time.
Generate, send, and track invoices in under a minute. Built for freelancers and small studios who bill hours, not headaches.
j/notes
Notes that think in systems.
A structured notes app for people who would rather build a second brain than lose ideas in fifty unsorted files.
Why j/
Built quietly. Made to last.
j/ is a studio of one. No team page, no fanfare. Just software that holds up in daily use.
Every app ships with real architecture, tests that catch problems early, and interfaces that respect your attention.
And the same thinking that ships these products can ship yours. If you have an idea you keep putting off, a clarity call is where it starts becoming real.
Learn
Build it yourself.
Everything I use to ship real products, taught simply. No fluff, just the skills that compound.
Foundations of tech and AI
The mental models that make everything else click.
Systems thinking
See products as systems and design them to scale.
Prompting that works
Get reliable output from AI instead of lucky guesses.
Building scalable apps
From the first line of code to an app that grows with you.
Imagination into reality
Turn the idea in your head into something people use.
Automate your daily life
Let software handle the boring parts of your day.
Not sure where to start?
Book a free clarity callBe first to fly j/mail.
One email, zero spam. You will hear from me when a product ships, not before.