Jack Dorsey has launched Sun Day, an iOS app that tracks UV exposure and estimates vitamin D levels based on location, skin ...

Explore the best open-source Android apps for privacy, efficiency, and user control. Perfect for boosting productivity and more.

When the lead developer behind Simple Mobile Tools sold the business to ZipApps last year, many long-time users of this suite of simple, free, and open source Android apps were wary. And, as ...

Check out this post to find the best open-source Android apps to download. These Android apps are great for getting things done and they are all free!

For 6 years, Slovakian developer Tibor Kaputa has been the driving force behind Simple Mobile Tools — a suite of 22 basic Android apps, most of them free, produced in an open-source manner that ...

Android app maker Simple Mobile Tools has been cranking out a suite of open source apps that live up to the company’s name for years, offering simple apps that offer many of the functions you ...

This is a complete tutorial, discussing how to build a simple calculator app for Android. Check it out, and implement some of the recommended improvements.

How to write a simple Android wear app with both round and rectangular layouts, as well as how to show notifications from your smartphone.

The "Android" that ships on phones today is a mix of open source software from the Android Open Source Project (AOSP) and proprietary Google software.