Open Source Java Mobile Apps for Android
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Java Mobile Apps for Android
View 22910 business solutionsBrowse free open source Java Mobile Apps for Android and projects below. Use the toggles on the left to filter open source Java Mobile Apps for Android by OS, license, language, programming language, and project status.
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Jscrambler: Pioneering Client-Side Protection PlatformJscrambler is the leader in Client-Side Protection and Compliance. We were the first to merge advanced polymorphic JavaScript obfuscation with fine-grained third-party tag protection in a unified Client-Side Protection and Compliance Platform. Our integrated solution ensures a robust defense against current and emerging client-side cyber threats, data leaks, and IP theft, empowering software development and digital teams to innovate securely. With Jscrambler, businesses adopt a unified, future-proof client-side security policy all while achieving compliance with emerging security standards including PCI DSS v4.0. Trusted by digital leaders worldwide, Jscrambler gives businesses the freedom to innovate securely.
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Cycloid: Hybrid Cloud DevOps collaboration platformEnable your developers to do their best work and increase time-to-market speed with a leading DevOps and Hybrid Cloud platform.
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libsdl-android
SDL library for Android, including several games.
Port of SDL library to Android mobile platform. There are also several games inside the repository, along with their sources and build files. Both SDL 1.2 and 1.3/2.0 versions are supported (1.3/2.0 support is experimental) Sources are at https://github.com/pelya/commandergenius -
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Gnirehtet
Gnirehtet provides reverse tethering for Android
Gnirehtet is a reverse tethering tool for Android that allows a phone or tablet to use the internet connection of the computer it is connected to over adb. Unlike traditional tethering, which shares a phone’s connection with a computer, this project works in the opposite direction and is especially helpful for testing Android devices on controlled desktop networks. The software does not require root access on either the Android device or the host computer, which makes it more practical for developers, testers, and power users working in standard environments. It supports GNU/Linux, Windows, and macOS, and it relays TCP and UDP traffic over IPv4, giving it broad usefulness for app testing and device connectivity scenarios. The project includes both Rust and Java implementations, with the Rust version recommended because it uses less CPU and memory and does not require a Java runtime. -
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Apktool
A tool for reverse engineering Android apk files
A tool for reverse engineering 3rd party, closed, binary Android apps. It can decode resources to nearly original form and rebuild them after making some modifications. It also makes working with an app easier because of the project like file structure and automation of some repetitive tasks like building apk, etc. It is NOT intended for piracy and other non-legal uses. It could be used for localizing, adding some features or support for custom platforms, analyzing applications and much more. The decode option on Apktool can be invoked either from d or decode. In order to run a rebuilt application. You must resign the application. Android documentation can help with this. As you probably know, Android apps utilize code and resources that are found on the Android OS itself. These are known as framework resources and Apktool relies on these to properly decode and build apks. -
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Open Camera
Camera app for Android.
Open Camera is an Open Source Camera app for Android(TM) phones and tablets. * Get it on Google Play: https://play.google.com/store/apps/details?id=net.sourceforge.opencamera * Get it on F-Droid: https://f-droid.org/en/packages/net.sourceforge.opencamera/ * Or you can download the APK/source directly, see "Files" above. Android, Google Play and the Google Play logo are trademarks of Google LLC. -
SOCRadar Extended Threat Intelligence PlatformSOCRadar Extended Threat Intelligence, a natively single platform from its inception that proactively identifies and analyzes cyber threats with contextual and actionable intelligence.
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Magisk Manager
Companion Android application for Magisk
Magisk Manager is the companion Android app historically used to manage the Magisk root solution—installing updates, toggling modules, configuring DenyList/Hide-like behavior, and passing device integrity checks where possible. It centralizes operations that would otherwise require flashing or command-line work, making root management accessible to power users and developers. The app surfaces module repositories, logs, and safety features, giving you insight into what’s modified and how it affects system behavior. Over time, its role evolved alongside Android’s changing security model, but the core idea remains: provide a clean UI for patching, updating, and managing a systemless root environment. It also acts as a troubleshooting hub, exposing diagnostics that help users resolve boot loops or module conflicts. For anyone maintaining a rooted device for legitimate development and customization, Magisk Manager is the operational control center that keeps the stack coherent. -
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Amaze File Manager
Material design file manager for Android
Amaze File Manager is an open source Material Design file manager for Android. It makes Material Design's exceptional features easier than ever to access on your Android device. It comes with an easy-to-use navigation drawer for quick navigation plus plenty of awesome features. It allows you to work on multiple tabs at a time; provides quick access to history, bookmarks or any file; has an inbuilt Database Reader, Zip/Rar Reader, Apk Reader, Text Reader and so much more! Amaze File Manager is based on Material Design guidelines and is completely open source, with no ads or in-app purchases whatsoever. -
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VirtualXposed
Use Xposed without root, unlock the bootloader or modify system image
Open VirtualXposed, click on the drawer button at the bottom of the home page (or long click the screen), add your desired APP and Xposed Module to VirtualXposed’s virtual environment. Note, all operations (installation of Xposed Module, APP) must be done in VirtualXposed, otherwise the Xposed Module installed won’t take effect. For example, if you install the YouTube app on your system (Your phone’s original system, not in VirtualXposed), and then install YouTube AdAway (A YouTube Xposed Module) in VirtualXposed; or you install YouTube in VirtualXposed, and install YouTube AdAway on the original system, or both of them are installed on the original system, neither of these three cases will work! Clone an installed app from your original system. (Click Button at bottom of the home page, then click Add App, the first page shows a list of installed apps.) Install via an APK file. -
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AntennaPod
Open source podcast manager for Android
AntennaPod is a flexible and open-source podcast manager for Android that’s really simple and easy to use. It lets you listen to and download thousands of podcasts without having to use a browser. It’s got all the features you would need, and none of the crap you don’t. Its features include automatic download and playback with variable speed, RSS and Atom feeds, OPML import and export, Flattr integration and more! AntennaPod is currently being tested to work on a number of different combinations of Android versions, phones and use cases. It is also being translated in various languages through its Transifex project page. -
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Aplicación para sistemas Windows y Android sin fines de lucro, con el propósito de fomentar el estudio bíblico libre. El uso del código del programa está permitido conforme a las siguientes reglas: https://github.com/baruc78pro/Biblia-de-estudio 1.-Prohibido el uso para robo o mal manejo de datos Queda estrictamente prohibido utilizar el código con fines de robo, extracción o uso indebido de datos. Todos los datos deben ser almacenados de manera forzosa y exclusivamente en local, sin conexión a servidores externos ni servicios de terceros. 2.-Uso exclusivo para el cristianismo evangélico Este software ha sido diseñado como una herramienta de apoyo para el estudio bíblico dentro del cristianismo evangélico. El uso del programa con fines católicos o vinculados a cualquier otra religión queda terminantemente prohibido(el catolicismo no se considera cristianismo). Malware Inc. podrá revocar el acceso, retirar el software e iniciar procedimientos legales si detecta un uso indebido
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Composable, Open Source Payments PlatformJuspay's Payments Orchestration Platform offers a comprehensive product suite for businesses, including open-source payment orchestration, global payouts, seamless authentication, payment tokenization, fraud & risk management, end-to-end reconciliation, unified payment analytics & more. The company’s offerings also include end-to-end white label payment gateway solutions & real-time payments infrastructure for banks. These solutions help businesses achieve superior conversion rates, reduce fraud, optimize costs, and deliver seamless customer experiences at scale.
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KISS
Blazingly fast Android Launcher
KISS (Keep It Simple and Stupid) is a blazingly fast yet incredibly small launcher for Android that requires nearly no memory to run. It expedites searching through the apps, contacts and settings of your Android device, giving you just one simple interface to find everything you need fast. No need to skim through dozens of other apps just to find one-- simply enter a few characters and hit enter. Need to make a call? Just enter the first three letters of the contact's name and hit the phone button. No more time and effort is wasted on searching, and you won't have to look at long lists of contacts or a grid of application icons doing absolutely nothing. KISS is smart and gets smarter as you keep using it, remembering your most commonly accessed search results. -
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QKSMS
A beautiful SMS messenger for Android
Fall in love with texting all over again with QKSMS! QKSMS is a beautiful, simple and customizable open source replacement to the stock messaging app on Android. It's got a clean, clutter-free intuitive design that lets you focus on what matters, plus millions of colors to choose from to make the theme of the entire app truly your own. QKSMS has some powerful features, including photo sharing, group chat, conversation blocking, message backup and restore and more. It's got everything you need from a text messaging app, plus all the fun features that make for a great text messaging experience. Simply put, QKSMS makes texting magical again, just the way it should be! -
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Facebook SDK for Android
Used to integrate Android apps with Facebook Platform
This open-source library allows you to integrate Facebook into your Android app. Integrate your Android app with Facebook to build engaging social apps by using the Facebook SDK for Android. To learn more about using Facebook development tools. The current version of the Facebook SDK for Android is version 11.2.0 and requires the Android API 15. Code and samples for the Facebook SDK for Android are available on GitHub. A secure and convenient way for people to log into your app or website by using their Facebook credentials. Enable people to post to Facebook from your app. People can share, send a message, and share to stories. Understand people's actions in your app and measure the effectiveness of your Mobile App Ads. Get data in and out of Facebook's social graph, query data, post stories, upload photos and perform other tasks. -
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Omni-Notes
Free and powerful note-taking application
Omni-Notes is a powerful open-source note-taking application for Android designed to be both smart and simple. It has a clean and simple Material Design interface and is packed with plenty of smart features. These include image, audio and generic file attachment, a To-do list, Google Now integration, numerous widgets and so much more. Omni-Notes takes note-taking to a whole new level, making it more convenient and integrated. It's an ideal note-taking application particularly for old Android phones without such apps, giving users an updated look and experience when taking down notes. -
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K-9 Mail
Open Source Email App for Android
K-9 Mail is an advanced, open-source email client for Android that's focused on making it easy to chew through large volumes of email. It's designed to be easy to use by both novice and power users, with plenty of useful features. It has IMAP push email support, support for multiple accounts, support for POP3 and Exchange 2003/2007 (with WebDAV), flagging, filing, signatures and more! K-9 Mail also offers a light and dark theme, keyboard shortcuts and emoji support. Like man's best friend, K-9 Mail is an email client you can depend on, and will surely be your best friend when it comes to handling your emails! -
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Lynket
A better browser for Android using the Custom Tab protocol
Lynket is a unique browser based on the Custom Tabs protocol. Lynket slides over the website on top of your apps, allowing you to move to the website seamlessly. Even if you browse multiple times, you can always press X to quickly return to the app where you left off. Lynket works with any browser that implements the Custom Tab protocol. It also inherits browser behavior such as tracking protection, shared login information, bookmark synchronization, etc. -
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MMKV for Android
An efficient, small mobile key-value storage framework
MMKV for Android is an efficient, small mobile key-value storage framework developed by WeChat. Works on Android, iOS, macOS, Windows, and POSIX. Efficient. MMKV uses mmap to keep memory synced with file, and protobuf to encode/decode values, making the most of Android to achieve best performance. MMKV supports concurrent read-read and read-write access between processes. Easy-to-use. You can use MMKV as you go. All changes are saved immediately, no sync, no apply calls needed. MMKV contains process locks, encode/decode helpers and mmap logics and nothing more. It's really tidy. MMKV adds about 50K per architecture on App size, and much less when zipped (apk). MMKV is published under the BSD 3-Clause license. Starting from v1.2.8, MMKV has been migrated to Maven Central. Older versions (<= v1.2.7) are still available on JCenter. -
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A HP41CV simulator for the Android platform. This version is the second beta release and includes nearly all functionality of the HP41CV including running programmes. Programmes can be imported / exported on csv format. A simple programme editor incl
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The Fresh Project
Simply Awesome.
The official home of Fresh, a One UI-based custom firmware for Samsung devices. -
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BRVAH
Powerful and flexible RecyclerView Adapter
BRVAH or Base RecyclerView Adapter Helper is a helpful tool for using RecyclerView more easily and efficiently. If you're an Android developer, you're probably familiar with RecyclerView as it is one of the most frequently-used controls in Android. While it may be quite useful however, a lot of developers can find it vexing to use. This is where BRVAH comes in. With BRVAH, it becomes easier than ever to use RecyclerView. Its efficient use meets the common needs of Android developers in projects. BRVAH optimizes adapter code, allows for adapter animation, adds On Item Click Lister, and more. -
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SmartCam - Smart Phone Web Camera - Turns a camera phone (S60, WinMo6.x, Android, Samsung Bada) with bluetooth or WiFi into a handy webcam ready to use with your PC
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OCR Manga Reader for Android
Android Manga reader with Japanese OCR and dictionary capabilities
OCR Manga Reader is a free and open source Android app that allows you to quickly OCR and lookup Japanese words in real-time. It does not have ads or telemetry/spyware and does not require an Internet connection. Supports both EDICT and EPWING dictionaries. Requires Android 4.0 (Ice Cream Sandwich) or higher. See http://ocrmangareaderforandroid.sourceforge.net/ for details. -
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J2ObjC
A Java to iOS Objective-C translation tool and runtime
J2ObjC is an open-source command-line tool from Google that translates Java source code to Objective-C for the iOS (iPhone/iPad) platform. This tool enables Java source to be part of an iOS application's build, as no editing of the generated files is necessary. The goal is to write an app's non-UI code (such as application logic and data models) in Java, which is then shared by web apps (using GWT), Android apps, and iOS apps. J2ObjC supports most Java language and runtime features required by client-side application developers, including exceptions, inner and anonymous classes, generic types, threads and reflection. JUnit test translation and execution is also supported. J2ObjC cannot convert Android binary applications. Developers must have source code for their Android app, which they either own or are licensed to use. -
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Quran for Android
A Quran reading application for Android
Quran for Android is a simple, open source Quran application for Android devices. It is based on Madani and features Madani images, Qaloon images and Naskh images all used with permission. It also has translations, Tafsir and Arabic data from tanzil and King Saud University. This project offers plenty of great features, with many more under development. Current features include translations in many different languages (Arabic Tafseer, English Sahih International Translation, French, German, Indonesian, Malay, Spanish, among others), bookmarking and tagging, audio recitation and more. -
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RIBs
Uber's cross-platform mobile architecture framework
RIBs is the cross-platform architecture framework behind many mobile apps at Uber. The name RIBs is short for Router, Interactor and Builder, which are core components of this architecture. This framework is designed for mobile apps with a large number of engineers and nested states. Shared architecture across iOS and Android. Build cross-platform apps that have similar architecture, enabling iOS and Android teams to cross-review business logic code. Testability and Isolation. Classes must be easy to unit test and reason about in isolation. Individual RIB classes have distinct responsibilities like routing, business, view logic, creation. Plus, most RIB logic is decoupled from child RIB logic. This makes RIB classes easy to test and reason about independently. Tooling for developer productivity. RIBs come with IDE tooling around code generation, memory leak detection, static analysis and runtime integrations. -
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ePUBator
Minimal offline PDF to ePUB converter for Android
Minimal offline PDF to ePUB converter for Android - ©2011 Ezio Querini ePUBator extract text from a PDF file and put it in a well formed (epubcheck compliant) ePUB file. PDF extraction based on iText library <http://itextpdf.com/> released under the AGPL license. - ePUBator IS THINKED FOR BOOKS (NOT FOR EVERY TYPE OF PDF), BUT IF YOU NEED A BETTER RESULT TRY SOMETHING ELSE LIKE CALIBRE. - ePUBator doesn't need internet connection (doesn't send your docs somewhere on the net, doesn't have ads). - ePUBator extracts text (no text from pictures or from raster PDF). - ePUBator tries to extract images (only png, jpg and gif) but puts them at the page's end. - ePUBator tries to extract the table of contents if present (or creates a dummy TOC). - ePUBator doesn't extract the font size and style and works fine only with single column PDF (worse with multi column or tables).
