Reading codes and contributing to open source has been proven to be one of the most effective ways of building a strong developer career and also writing better/cleaner codes

In this article, We would be exploring some of the amazing Android Open Source Projects on the internet that you could either contribute to as an Open Source Contributor or learn a thing or two from as a regular Android Developer and even reuse their codebase for your own projects.

Android Open Source Projects

1. Telegram

Telegram is a widely used encrypted instant messaging service available for Android and iOS. If you are interested in understanding how an Instant Messaging App is built, you should this out.
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2. CoCoin

CoCoin is an all-inclusive personal finance and accounting solution that includes a clean and beautiful UI. A perfect case study if you are building a simple fintech and would like to understand how to manage charts
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3. Easy Sound Recorder

Easy Sound Recorder is an open-source sound recorder app designed with material design. With this project, You can learn Android voice recording integration and manipulation
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4. Moonlight Android

Moonlight for Android is an open-source implementation of NVIDIA’s GameStream, as used by the NVIDIA Shield. If you are a Game Developer looking to develop a Mobile Game Streaming tool, this codebase would help.
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5. Flutter Tetris

Flutter Tetris is a simple Open Source Tetris game. If you are a Game Developer looking to develop a simple game with flutter, this codebase would be really helpful.
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6.AntennaPod

AntennaPod is an open-source podcast manager and player that gives you instant access to millions of free and paid podcasts. This project will help you understand different integration techniques, managing playback settings, etc.
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7. Open Camera

Open Camera is a fully-featured and open-source camera app for Android devices. If you want to learn how to add the auto-stabilization option on a camera app, how to take a photo remotely by making a noise and multi-touch gesture this project will help.
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8. DroidFish

DroidFish is primarily designed for engine analysis of chess positions and viewing and editing of chess games. If you are looking to implement a chess engine, this project would do you good.
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9. Lunary Ethereum Wallet

Lunary is a beautifully designed, easy to use, secure, and Open Source Ethereum Wallet for Android. If you are considering a project in blockchain and cryptocurrency, this could serve as a guide
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10. Remindly

Remindly is a simple and user-friendly Android application to create reminders. If you want to know more about working with time and advanced to-do apps, check this repo.
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11. Spacex Go

SpaceX Go is a powerful, open-source SpaceX launch tracker with a very simple UI, If you are looking for how to implement a mobile tracker, this is one codebase that would be of great assistance.
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12. Telegram

A simple Flutter Open Source app to Read and Download books. This project would help you understand how to connect with public APIs, access and display data
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13. Covid19 Tracker

Tracking the impact of COVID-19 cases based on your location, built in Flutter. If you are looking to build a medtech app for disease tracking and control, this codebase would provide a lot of support
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14. Flutter WhatsAppClone

If you are looking to build your own instant messaging app or a lookalike of WhatsApp with all the features and more with Flutter. Check this codebase
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15. OmniNotes

Fully-featured lightweight open-source Android note-taking application. This codebase will help to develop your own note-talking application with cool features, including a To-do list feature on your note app, etc.
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16. FlutterWeather

A simple weather App created using Flutter and Dart and using API from OpenWeatherMap, With this codebase You will understand how to use the weather APIs, geolocation and more
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17. Amaze File Manager

Amaze File Manager is a lite file manager app for Android with material design. manage files on SD cards, cloud services support, AES Encryption and Decryption of files for security, and more are what you would learn from this codebase.
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18. Pedometer

A simple, open-source lightweight pedometer app that uses the hardware sensor to calculate the steps. With this project you can learn about Step Tracking, although the UI isn’t great, You can build something cooler or contribute to this.
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19. Travel Mate

An open-source travel guide. If you are looking to build a travel-based app and need to heavily rely on location and maps, this codebase would provide a lot of support even to an advanced android developer.
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20. Clip Stack

A simple, clean and beautiful clipboard manager app for Android. This project would really be helpful in building a copy and paste tool.
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Conclusion

If you love this publication about Android Open Source Projects, share with your friends on social media and also check more of our articles. Also remember to give credit to open source creators if you reuse their codebase.