Open Source Android Apps - Page 43
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1
Kakao
Nice and simple DSL for Espresso in Kotlin
At Agoda, we have more than 1000 automated tests to ensure our application's quality and give our best experience to the user. All of them are written with Espresso from Google. Even though Espresso is working really well with our test, the code readability is quite low. Let's look at some of the examples of how we write the test. As Agoda developers, we want to improve not just our codebase quality, but also our implementation of tests as well. This is why we are introducing Kakao. The library will make you enjoy writing automated tests like you are drinking hot chocolate. Nice and simple DSL for Espresso in Kotlin. If you have custom Views in your tests and you want to create your own KView, we have KBaseView. Just extend this class and implement as many additional Action/Assertion interfaces as you want. You also need to override the constructors that you need. -
2
Ktorm
A lightweight ORM framework for Kotlin with strong-typed SQL DSL
Ktorm is a lightweight and efficient ORM Framework for Kotlin directly based on pure JDBC. It provides strong-typed and flexible SQL DSL and convenient sequence APIs to reduce our duplicated effort on database operations. All the SQL statements, of course, are generated automatically. Ktorm is open source and available under the Apache 2.0 license. Please leave a star if you've found this library helpful. -
3
Kuroba Experimental
Free and open source image board browser
KurobaEx is a fast Android app for browsing imageboards, such as 4chan and 8chan. It's a fork of Kuroba. Ability to attach multiple media files to reply, attach media files that were shared by external apps (even by some keyboards), attach remote media files by URL, etc. New image downloader. Allows downloading images while the app is in the background, retrying failed to download images, resolving duplicates, etc. -
4
Lumo Android App
Android application for Proton Lumo
Lumo Android App is the official Android client implementation of Lumo, a privacy-first AI assistant created by Proton that lets users interact with an intelligent chatbot securely and confidentially on mobile devices. Lumo is designed so that every conversation remains encrypted and private, meaning chats are not logged, tracked, or used to train external large language models, and all interactions are protected with zero-access encryption so only the user can read them. The Android app offers a responsive, native experience where users can ask questions, summarize documents, brainstorm ideas, or get help with tasks—while Proton’s strict privacy protections extend to the mobile interface. It integrates smoothly with Android’s system UI and supports features like voice input or clipboard sharing for convenience, while respecting user data control and transparency. -
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5
Lvr
Augmented Reality for everyone, out of the world experiences
Lvr contains the 3D and WebVR boilerplates required to get running across platforms including mobile, desktop, Vive, and Rift. It works on any phone with WebGL and WebRTC. HTML is easy to read and copy-and-paste. Since Lvr can be used from HTML, Lvr is accessible to everyone: web developers, VR enthusiasts, educators, artists, makers, kids. It is completely open source and free of charge! Lvr is a powerful framework on top of three.js, providing a declarative, composable, reusable entity-component structure. While Lvr can be used from HTML, developers have unlimited access to JavaScript, DOM APIs, three.js, WebVR, and WebGL. Lvr is a thin framework on top of AR.js and A-Frame. Although A-Frame uses the DOM, A-Frame does not touch the browser layout engine. Performance is a top priority, being battle-tested on highly interactive WebVR experiences. It runs efficiently even on mobile phones! -
6
Mark Mind
Mind map and outliner editor for Windows, Mac, Linux, Android and iOS
Mark Mind is a next-generation mind map editor. A mind map and outline tool based on electron vue. -
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Material.Avalonia
Material design in AvaloniaUI
Customizable Material Design implementation for AvaloniaUI framework. This library is a collection of styles and controls to help you customize your Avalonia application with Material Design theme. -
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Mordant
Multiplatform text styling for Kotlin command-line applications
Mordant is a multiplatform library for rendering styled text in the terminal. You can use it to add color and style to text, create tables, draw animations, and more. -
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Mosby
Model-view-presenter and model-view-intent library for modern Android
Mosby is a model-view-presenter and model-view-intent library designed specifically for Android apps. Migrating a Mosby 2.x based app to Mosby 3.0 should be straightforward. Just replace all import statements of your app in android studio. Mosby has a plugin for Conductor. The aim of this library is to help you build modern android apps with a clean Model-View-Presenter architecture. Furthermore, Mosby helps you to handle screen orientation changes by introducing ViewState and retaining Presenters. At first glance Mosby looks a lot like a framework. There are some classes like MvpFragment you can extends from, but the point is that you don’t have to if you don’t want to. At it’s core Mosby is a tiny library based on delegation. So you don’t have to use MvpFragment if you don’t want to. You can use delegation and composition to integrate Mosby in your own development stack. Hence you are not caught into a frameworks boundaries and limits. -
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10
MultiType
Tool to create multiple types for Android RecyclerView
Previously, when we need to develop a complex RecyclerView / ListView, it is difficult and troublesome work. We should override the getItemViewType() of RecyclerView.Adapter, add some types and create some ViewHolders relating to those types. Once we need to add a new item type, we have to go to the original adapter file and modify some old codes carefully, and these adapter classes will get more complicated. -
11
MusicDNA
Experience your favorite music in a unique way
MusicDNA is a music player unlike any other. It is an Android music player that renders beautiful DNA (visualization) of the currently playing music. It does this through the use of the Visualizer Class, and is inspired by paullewis's music-dna. It uses the FFT Data supplied by the Visualizer class of Android , calculating the Amplitude at that exact moment and using this to plot the DNA. MusicDNA fuses the functionality of traditional music players with stunning visualizations. In this way it captivates not only the sense of hearing but the sense of sight as well. MusicDNA's player allows for playing both local music as well as streamed music from SoundCloud. -
12
MyBatis Dynamic SQL
SQL DSL (Domain Specific Language) for Kotlin and Java
This library is a general-purpose SQL generator. Think of it as a typesafe and expressive SQL DSL (domain-specific language), with support for rendering SQL formatted properly for MyBatis3 and Spring's NamedParameterJDBCTemplate. The library also contains extensions for Kotlin that enable an idiomatic Kotlin DSL for SQL. The library will generate full DELETE, INSERT, SELECT, and UPDATE statements. The DSL implemented by the library is very similar to native SQL but it includes many functions that allow for very dynamic SQL statements. -
13
MyCollab
An open source, free, high performance, stable and secure Java app
MyCollab is a free and open source project management software. Intuitive UI, rich features, high performance, and stability are the advantages compared with various popular tools in the market such as Redmine, Bugzilla, Mantis etc. This open source is included into a trusted commercial product that is deployed on hundreds of companies' servers. -
14
NativeBase
Mobile-first, accessible components for React Native & Web
NativeBase is a mobile-first, accessible component library for building a consistent design system across android, iOS & web. NativeBase is a mobile-first, component library for React & React Native. Version 3.0 ships with complete ARIA integration, support for utility props and nearly 40 components that are consistent across Android, iOS and Web. Fast-track your dev process with NativeBase 3.0. Building with React Native from scratch is a tedious process with multiple steps such as adding styling, interactions, state management, responsiveness, accessibility, etc. We wanted to build and ship accessible, high-quality apps quickly. NativeBase was added to the list of Frameworks of Awesome React Native and it is used by numerous React lovers across the world. Our inspirations include Material UI, Chakra UI, Ant Design, Braid Design System, Bootstrap, TailwindCSS & Flutter. -
15
NativeScript Image Picker
Imagepicker plugin supporting both single and multiple selection
The nativescript-imagepicker plugin allows users to select images from their device's gallery within NativeScript applications, supporting both single and multiple image selection for enhanced media handling. -
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NativeScript Local Notifications Plugin
NativeScript plugin to easily schedule local notifications
The nativescript-local-notifications plugin enables NativeScript applications to schedule and manage local notifications on iOS and Android devices. It allows apps to notify users of important events or reminders even when the app is not actively running. -
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Nativescript Material Components
Monorepo that contains all of the NativeScript Material Design plugins
ui-material-components is a collection of Material Design UI components for NativeScript applications. It provides developers with ready-to-use widgets that adhere to Material Design guidelines, ensuring a consistent and modern look across apps. -
18
NoSleep.js
Prevent display sleep, enable wake lock in any Android or iOS browser
Prevent display sleep and enable wake lock in all Android and iOS web browsers. Check out the live demo in any Android or iOS web browser. -
19
OneSignal Android Push Notification
OneSignal is a free push notification service for mobile apps
OneSignal is a free email, sms, push notification, and in-app message service for mobile apps. This plugin makes it easy to integrate your native Android or Amazon app with OneSignal. -
20
P2P BoookShare
Intuitive Flutter app facilitating easy book borrowing
A user-friendly Flutter app for college students to share and borrow books on campus. -
21
Paper Plane
An Android reading app, including articles from Zhihu Daily
Paper Plane is an Android reading app containing articles from Zhihu Daily, Guokr Handpick and Douban Moment. The project is built on MVP architecture and designed with a Material Design style. To open this project in Android Studio, begin by checking out of the branches, and then open the PaperPlane/ dictionary in Android Studio. The following series of steps illustrate how to open the PaperPlane branch. The Android Support Library offers a number of features that are not built into the framework. These libraries offer backward-compatible versions of new features, provide useful UI elements that are not included in the framework, and provide a range of utilities that apps can draw on. -
22
PassAndroid
Android App to view passes
Displays esPass (*.esPass) & Passbook (*.pkpass) files, shows the Barcode (QR, PDF417, AZTEC, Code 39 and Code 128 format) and is also usable offline. When preparing for the Chaos Communication Congress 2012 #29c3 I stumbled upon a passbook file for the first time. I really like the idea of paperless tickets as it saves time and trees which are both very valuable to me. The problem was that I was unable to find an app to open and use the downloaded passbook files with, that's why I wrote my own one. -
23
Pixeval
Wow. Yet another Pixiv client!
Pixeval is a third-party proxy-free P station client developed by me as an amateur. The UI is implemented using Windows Presentation Foundation , based on .NET Core 3.0 , and supports Windows 7-10 (planning to cancel support other than Win10), and implements most of the The browsing function and many enhancements have been made. It has been open sourced on Github based on the AGPL protocol . The project was conceived in 2018. At that time, the api of the P station was written in Java. At that time, it could also be accessed by modifying the hosts method. After that, GFW The blocking strategy was upgraded, and DNS pollution was upgraded to SNI blocking, so I went to find information to understand the different blocking levels and blocking mechanisms of GFW. I started writing this project in the second half of 2019, which took about 3 months. (Actually, the realization of this project is partly inspired by Notsfsssf. -
24
Proton Drive for Android
Android client codebase for accessing Proton Drive
Proton Drive for Android is Proton’s official Android client codebase for accessing Proton Drive from phones and tablets, built as a full native Android application that you can compile and run in Android Studio or from the command line. The repository is structured like a typical production Android app with a Gradle-driven build, and its setup guidance emphasizes straightforward local development workflows as well as headless builds for CI-style environments. It is designed to plug into Proton Drive’s broader ecosystem so users can manage their cloud-stored files from an Android interface while keeping the client implementation transparent and reviewable as open source. The project documentation focuses on developer setup details such as SDK configuration and build commands, which is especially useful for engineers auditing or reproducing official builds. -
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ReDex
A bytecode optimizer for Android apps
ReDex is an Android bytecode (dex) optimizer originally developed at Facebook. It provides a framework for reading, writing, and analyzing .dex files, and a set of optimization passes that use this framework to improve the bytecode. An APK optimized by ReDex should be smaller and faster than its source. Redex provides a framework for reading, writing, and analyzing .dex files, and a set of optimization passes that use this framework to improve the bytecode. An APK optimized by Redex should be smaller and faster. Fewer bytes also means faster download times, faster install times, and lower data usage for cell users. Lastly, less bytecode also typically translates into faster runtime performance. Redex has deep integration with Buck where your Redex config is passed as a parameter to the Buck android_binary rule when generating the APK.
