Notes, Markdown, Data & Code
Clarity Edit
A native Mac text editor for notes, Markdown, code snippets, and structured data (CSV, JSON, XML) — with local-first storage and no mandatory account.
Focused apps that respect your data and your time
Three independent, privacy-first tools for Apple platforms — a distraction-free writing & code editor, a complete home buying & moving cost calculator, and a charitable donation tax tracker. No accounts required to get started.
Affordability & Cost of Living
Home Buying & Moving Toolkit
Mortgage, affordability, and rent-vs-buy calculators plus cost-of-living data for 935+ U.S. cities and a smart moving checklist — all offline, no subscription.
Donate it. Log it. Done.
DonationValue
The fast, simple way to value and track donated goods for tax time. Unlimited tracking is free — tax reports are a one-time $4.99, no subscription.
Why Sonoma Enterprises apps
Every app we build follows the same principles, regardless of category.
Privacy by default
Local-first storage and no mandatory sign-in — your data stays on your device.
Fast and focused
Small, efficient apps built for a single job, done well — no bloat.
Works offline
Core features work without an internet connection, wherever you are.
Built for Apple platforms
Designed natively for Mac, iPhone, iPad, and Vision Pro.
Explore all three apps
Free to download, with optional one-time upgrades — no subscriptions.