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Almost all of us know about open source software is available for computers, mainly the PC. However, we keep forgetting about one of the most major platforms which is smartphones. In this article, we shall discuss some of the best open source android apps which source code for developers to enhance their android development skills.

When we talk about smartphones, android owns major shares. There are millions of apps that I made for android devices. Most of these apps are coded in Java or Kotlin.

Source code for an open-source software is available to the public and thus developers can utilize it to understand coding from scratch. In other words, these are like learning projects for new developers.

Sometimes new coders face issues developing their first android apps even though they have learned the basic coding principles. This can be because of a lack of exposure. what we mean is maybe they did not get enough apps as examples to look into their codes and get ideas. If you are an experienced Android developer, you may contribute new features to these Open Source Android Apps and help the project to grow on.

Best Open Source Android Apps with source code:

  1. Telegram
  2. Lawnchair Launcher
  3. Minimal ToDo
  4. Amaze File Manager
  5. Open Camera
  6. OmniNotes
  7. Super Clean Master
  8. AntennaPod
  9. TimberX Music Player
  10. LeafPic
  11. K-9 Mail
  12. Easy Sound Recorder
  13. FreeOTP Authenticator
  14. Keepass2Android Password Safe
  15. ML Manager
  16. PhotoAffix
  17. MovieGuide
  18. AnExplorer
  19. AnotherMonitor
  20. CoCoin

Telegram

 best open source android apps

One of the most used encrypted instant messaging services, Telegram is available for android and iOS. One can learn how an instant messaging app works from this application with no worries.

Google Play: Telegram | Source code: GitHub


Lawnchair Launcher

 open source phone apps

This is another simple Open Source Android Apps launcher that brings pixel features. You could refer to the codes of this app in case you are developing an android launcher. It may help you a lot.

Google Play: Lawnchair Launcher | Source code: GitHub


Minimal ToDo

 open source phone apps

A lightweight android app for to-do lists, this app will surely assist beginners in developing an efficient to-do list app.

Google Play: Download | Source code: GitHub


Amaze File Manager

 open source phone apps

A light file manager app, amaze file manager comes for android with material design and guidelines. A lot of things can be learned from this app, from how to manage files on SD cards to decryption of files for security.

Google Play: Download | Source code: GitHub


Open Camera

 best open source projects for beginners

It is a fully-featured Open Source Android Apps for camera devices. This can help you learn how to add auto stabilization on the camera app. It can also assist you in learning how to take photos remotely by making a noise, and many such things.

Google Play: Download | Source code: GitHub


OmniNotes

best open source projects for beginners

Another Open Source Android Apps, it is a lightweight app for notetaking. Its source code may help to develop your own note-taking application with many features like archive, trash, Delete, insertion of an image, And so forth.

Google Play: Download | Source code: GitHub


Super Clean Master

 best open source android apps

Used to clean up junk from your android device, this app is similar to the Clean Master app. This project will assist you in understanding the collection and detection of junk files. You will also learn how to handle it in an efficient way. Although the project is a little complicated, Beginners can grasp it in some time.

Google Play: Not Available | Source code: GitHub


AntennaPod

 open source phone apps

AntennaPod is a podcast manager and also a player that gives access to millions of podcasts, both paid and free. This app can teach you integration techniques, managing playback settings, and much more.

Google Play: Download | Source code: GitHub


TimberX Music Player

 open source phone apps

Written in Kotlin, TimberX Music Player is a new open-source Android app. It comes with great features with a simple UI. The source code will help you learn data binding and dependency injection with KOIN. With cross-platform support, the app works on phones, android wear, android auto, Chromecast, and other cast devices and even google assistant.

Google Play: Download | Source code: GitHub


LeafPic

LeafPic app for android

This is a great alternative gallery app for android. It comes with all gallery features and the source code can be helpful for a beginner developer.

Google Play: Not Available | Source code: GitHub


K-9 Mail

K-9 Mail Best-open-source-Android-apps

An open-source email client for android, this app supports multiple accounts, multi folders sync, flagging, filing, BCC self, signatures, and much more. If you are looking forward to understanding the working of an email client then this project is for you.

Google Play: Download | Source code: GitHub


Easy Sound Recorder

 how to code an app for android

Easy sound recorder is a fairly simple open-source sound recorder app. In case you want to learn android voice recording integration and manipulation in apps, you can get this app a try.

Google Play: Download | Source code: GitHub


FreeOTP Authenticator

 best open source projects for beginners

It is developed by Red Hat, FreeOTP is an open source 2FA authenticator. The source code can teach you how to work with an authenticator app, how to generate one time passwords on your mobiles.

Google Play: Download | Source code: GitHub


Keepass2 Android Password Safe

 best open source projects for beginners

It is an Open Source Android Apps for android that manages passwords. The projects can assist you in understanding the security features of a password manager along with safeguarding and auto-saving passwords.

Google Play: Download | Source code: GitHub


ML Manager

 best open source projects for beginners

 

It is an Open Source Android Apps manager for android which is easy to use and modern. If you want to learn how to extract installed and system apps and save locally as APK, this project is for you.

Google Play: Download | Source code: GitHub


PhotoAffix

It is an app that stitches photos vertically and horizontally with great simplicity. It can be ideal for a beginner android developer who wants to learn the basics of android development. With top-notch coding standards, the app has been developed keeping the best practices in mind. Some extra things that you can learn how to make simple yet useful custom views that may assist you to get your foundation ready for complex views in the future.

MovieGuide

This app lists popular movies with their trailers and reviews. The app is fairly simple however the interesting part is the way things are implemented. The app showcases great development stuff like MVP, Uncle Bob’s Clean Architecture, and RxJava.

AnExplorer

This is another first free, and lightweight file manager for both phones and tablets. The project can teach you a lot of things about file handling, loaders, custom views, and so forth. The app is well made and should not take too much time to get used to.

AnotherMonitor

If monitoring Android processes, memory usage, CPU usage, and related things are your jam, then this is the project for you to start with. It is small and not too difficult to comprehend. However, the overall design is not up to the mark.

CoCoin

This is a personal finance and accounting solution with a clean and beautiful UI. It can help you learn how to manage user data, and make some custom views through its open source.

Turbo Editor

This is a quite efficient text editor application for android. This can also be used to write code and supports syntax highlighting. This app does not have any problem opening last text files, unlike most programs.
This project will teach you how to make a text editor app.

In coding, one needs to practice a lot. We hope these open source android apps help you do just that and boost your android development skills.