The Stack 42Independent software
Software that keeps your information in your hands.
The Stack 42 designs and builds apps for Mac, iPhone, iPad, and the web. Our apps store your data on your own devices, or on a server you control, and they're made to be maintained for years.
What we do
Apps for Apple platforms
Native apps for macOS, iOS, and iPadOS, built with Apple's own frameworks so they look, feel, and behave the way the rest of your devices do.
Web apps you can host
Browser-based companions that run on a server you choose, so the same information is available on Windows, Android, and anywhere else with a browser.
Personal productivity
Our focus is software for organizing the everyday: the people you know, the conversations you've had, and the things you want to remember.
How we build
Your data stays yours
Our apps work without an account with us. Your information lives on your device or on a server you control, and you can export all of it in open formats.
Nothing watching
No ads, no analytics, no tracking, and no third-party code that sends data elsewhere. This website follows the same rule: it sets no cookies and runs no scripts.
Tested before it ships
Every app is checked against automated tests, and each release is used daily before it's offered to anyone else.
Our first app
Our first app is in development for Mac, iPhone, and iPad. It will be announced here, with its privacy policy and support page, when it's ready for release.