India, Sept. 2 -- Open-source apps are a great alternative to stock apps that come pre-installed on our Android devices. They offer almost similar or sometimes better functionalities without serving you ads. Today, I am listing my favourite open-source apps for Android that offer unique features without compromising your privacy or costing you a single penny.

If you are using a smartphone with a custom UI, then there may be a chance that you are seeing unnecessary ads popping up through the OS. AdAway is a popular open-source app that blocks ads throughout the system. You can use this app to block ads on browsers and even on apps, saving your data and privacy at the same time. The app works for both rooted and non-rooted devices, offerin...