Java App

Open-source Java projects categorized as App | Edit details

Top 23 Java App Projects

  • GitHub repo TextSecure

    A private messenger for Android.

    Project mention: WhatsApp: New encryption feature protects your chat history from prying eyes | | 2021-10-15

    It's foss, even the server side code.

  • GitHub repo HomeMirror

    Android application powering the mirror in my house

  • Scout APM

    Scout APM: A developer's best friend. Try free for 14-days. Scout APM uses tracing logic that ties bottlenecks to source code so you know the exact line of code causing performance issues and can get back to building a great product faster.

  • GitHub repo wechat

    A High Copy WeChat ,SNS APP (高仿微信)

  • GitHub repo InstaMaterial

    Implementation of Instagram with Material Design (originally based on Emmanuel Pacamalan's concept)

    Project mention: Resources about Building UI | | 2021-01-11

    I like

  • GitHub repo AmazeFileManager

    Material design file manager for Android

    Project mention: ⟳ 1 apps added, 5 updated at | | 2021-10-03

    Amaze (version 97): Simple and attractive Material Design file manager

  • GitHub repo LeafPic

    LeafPic is a fluid, material-designed alternative gallery, it also is ad-free and open source under GPLv3 license. It doesn't miss any of the main features of a stock gallery, and we also have plans to add more useful features. (by UnevenSoftware)

    Project mention: LEAF PIC (ANDROID) | | 2021-05-05


  • GitHub repo FlyRefresh

    The implementation of

  • Nanos

    Run Linux Software Faster and Safer than Linux with Unikernels.

  • GitHub repo FairEmail

    Fully featured, open source, privacy friendly email app for Android

    Project mention: FOSS email client for Android with support for OAuth2 | | 2021-10-07

    However, if you install FairEmail [from Github](, it does support OAuth2.

  • GitHub repo jianshi

    A Full-Stack mobile app, including Android & Server, Simple-Poem 简诗. You can write poem in graceful & traditional Chinese style.

  • GitHub repo Slide

    Slide is an open sourced, ad free Reddit browser for Android

    Project mention: Is the project dead? | | 2021-09-22

    Aight, well it's apparent from activity on GitHub that there's active development, and the most recent release was only a couple months ago. Doesn't seem very dead to me. Bugs happen, and they ain't always quick/easy to fix. Patience :)

  • GitHub repo keepassdroid

    KeePass implementation for android

    Project mention: We've reached the point where writing down your passwords is probably the most secure way to store them. | | 2021-05-17
  • GitHub repo Fetch

    The best file downloader library for Android (by tonyofrancis)

  • GitHub repo Etar Calendar

    Android open source calendar

    Project mention: The open calendar, task and note space is a mess | | 2021-08-30

    I'm using Nextcloud for calendar and tasks, and I keep notes in plain markdown files that are also synced with Nextcloud. On Android I use Nextcloud Notes, Nextcloud Tasks and

    These are by far the best note and calendar apps I've used. Far better than Google's options. Apple's reminders are a bit better than Nextcloud Tasks, but the only feature I'm sorely lacking there is repeating tasks. Google doesn't support this either, which leads me to believe that it's a shortcoming of the CalDav spec for tasks.

  • GitHub repo Bourbon

    An MVP Dribbble client for Android Mobile, Tablet, Wear and TV. (by hitherejoe)

  • GitHub repo SkyTube

    An open-source YouTube app for Android.

    Project mention: Thank you, LineageOS! | | 2021-09-16

    As you like YouToube, maybe you'll want to check out NewPipe, SkyTube and YouTube Vanced. Although they might not be suitable for your homescreen ;)

  • GitHub repo talon-for-twitter-android

    The most powerful and beautiful Twitter client available.

    Project mention: Aaaaaand she's off Twitter, thank god for friends who care!! | | 2021-09-29

    I use Twitterrific (iOS) and I heard good things about Tweetbot (also iOS) and Talon (Android). But there are plenty of others, for phones and computers, that get rid of ads, promoted tweets and give you a chronological timeline (meaning it actually shows you every tweet of everyone you follow in chronological order, instead of only showing you some based on an algorithm).

  • GitHub repo openlauncher

    Customizable and Open Source Launcher for Android

    Project mention: OPEN LAUNCHER (ANDROID) | | 2021-06-04


  • GitHub repo 2048-android

    The android port of the 2048 game (for offline playing)

    Project mention: What are the best open source games? | | 2021-03-05

    2048 Droidfish Egyptian Mouse Pounce Ella - The Game Lichess Pimple Popper Pixel Wheels

  • GitHub repo clean-status-bar

    Tidy up your Android status bar before taking screenshots for the Play Store

  • GitHub repo DMPlayer

    DMPLayer is an Android music player prototype

  • GitHub repo Endoscope

    Endoscope lets you to stream live video between android devices over Wi-Fi! 📱📲

  • GitHub repo MaterialUp

    MaterialUp Android App

  • GitHub repo droidplanner

    Ground Control Station for Android Devices (by DroidPlanner)

NOTE: The open source projects on this list are ordered by number of github stars. The number of mentions indicates repo mentiontions in the last 12 Months or since we started tracking (Dec 2020). The latest post mention was on 2021-10-15.


What are some of the best open-source App projects in Java? This list will help you:

Project Stars
1 TextSecure 21,266
2 HomeMirror 7,909
3 wechat 5,153
4 InstaMaterial 5,045
5 AmazeFileManager 3,501
6 LeafPic 3,203
7 FlyRefresh 2,879
8 FairEmail 2,410
9 jianshi 1,876
10 Slide 1,573
11 keepassdroid 1,291
12 Fetch 1,260
13 Etar Calendar 1,187
14 Bourbon 1,126
15 SkyTube 1,109
16 talon-for-twitter-android 1,080
17 openlauncher 1,051
18 2048-android 948
19 clean-status-bar 892
20 DMPlayer 658
21 Endoscope 606
22 MaterialUp 596
23 droidplanner 594
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