38 Amazing Open Source Android Apps written in Java

This is “amazing” series of open source projects.

Open source projects are a valuable resource for programmers. You can learn by reading the source code or build something on top of existing projects.

This is an extremely competitive list and it carefully picks the best Android apps written in Java that are currently open source. To give you an idea about the quality of this list, the average number of Github stars is 3,874.Contribute more amazing apps on Github.

Mybridge AI carefully evaluates the quality by considering popularity, engagement and recency. In this observation, we compared nearly 8,200 open source Android Apps to pick the Top 38 (0.4% chance to be in the list).

The apps are broken down into 13 groups to add relevance: Social Networking, News, Photos & Videos, Productivity, Music, Game, Messaging, Media, Finance, Architecture, Utilities, Reference, Weather.

• Open Source Android Apps written in Kotlin: Coming soon!
• Amazing Open Source iOS Apps written in Swift: Here
• Amazing Swift Libraries of 2017 (avg. 3,717 ⭐️): Here

The numbers are displayed by groups and do not represent the ranking. Click the number or image to view the content.

<Recommended Learning>

No 1) Android Beginner

Android O & Java — Mobile App Development: Go from beginner to paid professional app developer.

[14,018 recommends, 4.7/5 stars]

No 2) Kotlin

Kotlin for Java Developers: Use your Java skills to learn Kotlin fast and build Android apps.

[2,045 recommends, 4.6/5 stars]

<Social Networking>

No 1

Android-oss: Official Kickstarter open source app for Android. Bring new ideas to life, anywhere. [4,233 stars on Github].

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No 2

NewPipe: A lightweight Youtube frontend for Android. [2,597 stars on Github].

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No 3

Official WordPress App for Android — Wordpress Engineering [1,597 stars on Github].

<News>

No 4

Plaid: An Android app which provides design news & inspiration as well as being an example of implementing material design. [10,235 stars on Github]. Courtesy of Nick Butcher

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No 5

FastHub: The ultimate GitHub client for Android [2,468 stars on Github].

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No 6

Materialistic: A material-design Hacker News Android reader [1,429 stars on Github].

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<Photos & Videos>

No 7

Telecine: Record full-resolution video on your Android devices [2,127 stars on Github].

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No 8

LeafPic: An ad-free, open-source and material-designed android gallery alternative [2,061 stars on Github].

<Productivity>

No 9

K-9 Mail: Advanced Email for Android [3,488 stars on Github].

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No 10

The ownCloud Android App: Organize and Store everything [2,343 stars on Github].

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No 11

AmazeFileManager: Material design file manager for Android [1,611 stars on Github].

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No 12

Omni-Notes: Open source note-taking application for Android [1,213 stars on Github].

<Music>

No 13

Timber: Material Design Music Player [3,813 stars on Github]