20 Best Open-Source Android Apps With Source Code For Developers To Practice

Most of us were aware of the open source software available for PCs, mainly Linux, but we forgot about another important platform: smartphones. And in this article, we are discussing some of the best open source android apps with source code for developers to enrich their android development skills.

The open source community is always an opportunity for future developers to learn how to develop software. because a source code for open source software is always available to the public and can be used by developers to understand the workings and coding from scratch. In short, open source projects are learning curves for novice developers.

Reading: Open source code for android apps

When it comes to the smartphone market, android has the biggest shares and there are millions of apps for android devices. and most of these applications are coded in java or kotlin. And to learn android development, one must know basic understanding of one of these programming languages. Although if you successfully learned the basics of coding, sometimes novice coders find it difficult to develop their first android apps.

this is due to the lack of reference; I mean, they didn’t get enough sample apps to go through their code and get some ideas to go on for the first few days. therein comes the importance of open source android applications.

open source android apps help emerging android developers learn the coding structure of fully working android apps. they can even alter these codes and modify the open source android apps themselves. If you are an experienced android developer, you can contribute new features and functionality to these open source android apps and help the project grow.

enough of the quackery, here are some of the best open source android apps with source link to improve your android development skills.

best open source android apps with source code:

1. telegram

Telegram is one of the most used encrypted instant messaging services available for android and ios. learn from the code of telegram: how an instant messaging application works with super security.

  • google play: telegram
  • source code: github

2. new channel

newpipe is a lightweight version of youtube that unlocks a ton of features that are otherwise restricted. The app comes with a simple UI but is packed with some powerful features: background player, picture-in-picture mode, download support for offline playback, and moreover, it is a completely free open source android app with no ads. . The main plus point of this app is its “extended privacy”: newpipe protects user privacy as there is no proprietary google api in the code and it only sends the necessary information to get the video and channel details.

  • google play: not available
  • source code: github
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3. garden chair launcher

lawnchair launcher is a simple open source android launcher app that offers pixel features. If you are developing a new android launcher, check out lawnchair’s codes as it can help you integrate different android customization options into your app.

  • google play: lawn chair launcher
  • source code: github

4. minimal tasks

minimal todo is a lightweight android to-do list app. This app will help beginners to develop a simple yet powerful to-do list app.

  • google play: minimal tasks
  • source code: github

5. snapshot

See also: How to See All the Apps You’ve Ever Downloaded on Android

snapdrop is an amazing app that makes sharing files wirelessly between android and any platform on the same network a much smoother process. just install the app on android and on other devices use any browser of your choice and go to: https://snapdrop.net/. touch the device name and select the files to transfer. that is all. snapdrop code is a perfect option to learn how to transfer files wirelessly on android.

  • google play: snapdrop
  • source code: github

6. amazing file manager

amaze file manager is a lite file manager app for android with material design guidelines. there are many things you can learn from this app like how to manage files on sd card, cloud service support, aes encryption and decryption of files for security etc.

  • google play: amaze file manager
  • source code: github

7. open camera

open camera is a fully featured open source camera app for android devices. the project will help you know how to add auto stabilization option in a camera app, how to take photos remotely by making a noise, multi-touch gestures and one-touch control in camera app, etc.

  • google play: open camera
  • source code: sourceforge

8. apk updater

apkupdater is a tool designed to simplify the process of checking for updates for installed applications. provides app store-like functionality, but instead of relying on a single source, it aggregates results from apkmirror, aptoide, f-droid, and google play.

  • google play: not available
  • source code: github
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9. watomatic

watomatic is an autoresponder app for whatsapp and facebook messenger. watomatic sends an automatic response to each incoming message. With this essential whatsapp tool you can set your own auto reply message and set a reply frequency.

  • google play: watomatic
  • source code: github

10. omninotes

Full-featured, lightweight, open source android note taking app. With the omninotes app source code it will help you develop your own notes app with features like basic actions to add, modify, archive, discard and delete notes, inserting an image, audio and generic attachments in notes, including a to-do list in your notes app, etc.

  • google play: omninotes
  • source code: github

11. super clean teacher

Similar to clean master app, super clean master is used to clean some junk data from your android device. the super clean master project will help you understand the collection and detection of junk files and how to handle them in an elegant way. the project is a bit complicated, it will take a while for beginners to fully understand the source code.

  • google play: not available
  • source code: github

12. antenna support

antennapod is a podcast manager and player that gives you instant access to millions of free and paid podcasts. This open source android app will teach you different techniques of integration, management of playback settings, etc.

  • google play: antennapod
  • source code: github

13. mutate

mutify is a spotify ad muting app for android. This open source android app automatically detects whenever spotify plays an ad and once it does, it will immediately turn your phone’s volume down to zero. If you don’t have a Spotify premium subscription, mutify is a pretty good solution.

  • google play: mutate
  • source code: github

14. timberx music player

timberx music player is one of the new open source android applications written in kotlin. timberx comes with a simple user interface with great features. the application source code will help you learn data binding and dependency injection with koin. The app has cross-platform compatibility: it works on phones, android wear, android auto, chromecast and other cast devices and google assistant.

  • google play: timberx music player
  • source code: github

15. leaf photo

See also: 12 Best Camera Apps for Android in 2022 (Updated Weekly)

leafpic is a fluid and material designed alternative gallery app for android. It comes with all the stock gallery features and the source code is really a helpful guide for a beginner android developer.

  • google play: not available
  • source code: github
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16. k-9 mail

k-9 mail is an open source email client for android with support for multiple accounts, search, imap push email, multi-folder sync, markup, archiving, signatures, bcc-self, pgp/mime & plus. This project helps you understand how an email client works and how to implement imap, pop3, and exchange 2003/2007.

  • google play: k-9 mail
  • source code: github

17. easy sound recorder

easy sound recorder is a simple material design open source sound recording application. The project will help you learn android voice recording integration and manipulation in applications.

  • google play: easy sound recorder
  • source code: github

18. freeotp authenticator

freeotp is an open source 2fa authenticator developed by red hat. The app’s source code teaches you how an authenticator app works, how to generate one-time passwords on your mobile devices that can be used in conjunction with your normal password to make your login almost impossible to hack.

  • google play: freeotp authenticator
  • source code: fedoraproject

19. keepass2android secure password

keepass2android is an open source password manager app for android. The blueprints help you understand the security features of a password manager and how to automatically protect and save passwords using the built-in cloud storage options.

  • google play: keepass2android secure password
  • source code: github

20. manager ml

a modern, easy and customizable open source application manager for android with root functions. the project helps you learn how to extract installed & system apps and save locally as apk, app uninstall process, etc

  • google play: ml manager
  • source code: github

additional app for more open source android apps:

f-droid

f-droid is a third party android app store that exclusively distributes open source android apps. f-droid has a vast collection of open source android apps and with their official app, it’s easy to navigate, install and keep track of updates on your device. also just browse each page of the application to get its source code.

google play: not available

official website: f-droid

so improve your android development skills with these awesome open source android apps from different categories. remember, in coding, you have to practice a lot, so read these codes to get some new ideas for your next android project.

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