Data Formats Apps for Android

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Browse free open source Data Formats apps and projects for Android below. Use the toggles on the left to filter open source Data Formats apps by OS, license, language, programming language, and project status.

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    The #1 Embedded Analytics Solution for SaaS Teams.

    Qrvey saves engineering teams time and money with a turnkey multi-tenant solution connecting your data warehouse to your SaaS application.

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  • 1
    Tachiyomi

    Tachiyomi

    Free and open source manga reader for Android

    Tachiyomi is a free and open source manga reader for Android 6.0 and above. Online and offline reading from hundred of different sources. Automatically keep track of your manga with MyAnimeList, AniList, Kitsu, Shikimori, and Bangumi. A configurable reader with multiple reading modes, custom color filters, and other settings. A configurable reader with multiple viewers, reading directions and other settings. Tracker support, MyAnimeList, AniList, Kitsu, Shikimori, and Bangumi. Create backups locally to read offline or to your desired cloud service.
    Downloads: 331 This Week
    Last Update:
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  • 2
    Cool Reader

    Cool Reader

    A cross-platform XML/CSS based eBook reader

    CoolReader is fast and small cross-platform XML/CSS based eBook reader for desktops and handheld devices. Supported formats: FB2, TXT, RTF, DOC, TCR, HTML, EPUB, CHM, PDB, MOBI. Platforms: Win32, Linux, Android. Ported on some eInk based devices.
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    Downloads: 829 This Week
    Last Update:
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  • 3
    KOReader

    KOReader

    An ebook reader application supporting PDF, DjVu, EPUB, FB2, etc.

    KOReader is a document viewer for E Ink devices. Supported fileformats include EPUB, PDF, DjVu, XPS, CBT, CBZ, FB2, PDB, TXT, HTML, RTF, CHM, DOC, MOBI and ZIP files. It’s available for Kindle, Kobo, PocketBook, Android and desktop Linux. Runs on embedded devices (Cervantes, Kindle, Kobo, PocketBook, reMarkable), Android and Linux computers. Developers can run a KOReader emulator in Linux and MacOS. Multi-lingual user interface with a highly customizable reader view and many typesetting options. You can set arbitrary page margins, override line spacing and choose external fonts and styles. It has multi-lingual hyphenation dictionaries bundled into the application. Custom UI without animation, with paginated menus, adjustable text contrast, and easy zoom to fit content or page in paged media. Look up words with StarDict dictionaries / Wikipedia, add your own online OPDS catalogs and RSS feeds, share ebooks with other KOReader devices wirelessly.
    Downloads: 70 This Week
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  • 4
    CKEditor 5

    CKEditor 5

    Powerful rich text editor framework with a modular architecture

    CKEditor 5 is a powerful rich text editor framework with a modular architecture, modern integrations, and features like collaborative editing. CKEditor 5 provides every type of WYSIWYG editing solution imaginable. From editors similar to Google Docs and Medium, to Slack or Twitter like applications, all is possible within a single editing framework. Builds are ready-to-use solutions to common editing needs. Every build can be customized to include a completely custom set of features. Features are flexible. You can write a custom feature once, and reuse it everywhere! CKEditor 5 is an ultra-modern JavaScript rich text editor with MVC architecture, custom data model and virtual DOM. It is written from scratch in ES6 and has excellent webpack support. Native integrations with Angular, React and Vue.js are available for your convenience. Building a mobile or cross-platform desktop application with JavaScript? CKEditor 5 is compatible with Electron and mobile devices (Android, iOS).
    Downloads: 44 This Week
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  • Bright Data - All in One Platform for Proxies and Web Scraping Icon
    Bright Data - All in One Platform for Proxies and Web Scraping

    Say goodbye to blocks, restrictions, and CAPTCHAs

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  • 5
    Froala Editor

    Froala Editor

    The next generation Javascript WYSIWYG HTML Editor

    Froala Editor is a lightweight WYSIWYG HTML Editor written in Javascript that enables rich text editing capabilities for your applications. Froala WYSIWYG HTML Editor is one of the most powerful JavaScript rich text editors ever. Froala Rich Text Editor has a vast range of both simple and complex features for all kind of use cases. Lots of features don't have to overwhelm the user with hundreds of buttons. The Froala's WYSIWYG editor smart toolbar can accommodate over 100 features in this simple interface. The Froala Smart Toolbar groups all actions by scope into 4 categories. It's an intuitive toolbar where every feature is easy to find and your most used ones are there for you. A WYSIWYG HTML editor created by developers, for developers. With a powerful API and documentation you can get started in minutes.
    Downloads: 18 This Week
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  • 6
    google-java-format

    google-java-format

    Reformats Java source code to comply with Google Java Style

    google-java-format is a program that reformats Java source code to comply with Google Java Style. The formatter can act on whole files, on limited lines, on specific offsets, passing through to standard-out (default) or altered in-place. There is no configurability as to the formatter's algorithm for formatting. This is a deliberate design decision to unify our code formatting on a single format. The formatter can be used in software that generates java to output more legible java code. Just include the library in your maven/gradle/etc. configuration. A google-java-format IntelliJ plugin is available from the plugin repository. To install it, go to your IDE's settings and select the Plugins category. Click the Marketplace tab, search for the google-java-format plugin, and click the Install button.
    Downloads: 5 This Week
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  • 7
    shadowsocks-libev

    shadowsocks-libev

    Bug-fix-only libev port of shadowsocks

    Shadowsocks-libev is a lightweight secured SOCKS5 proxy for embedded devices and low-end boxes. Shadowsocks-libev is written in pure C and depends on libev. It's designed to be a lightweight implementation of shadowsocks protocol, in order to keep the resource usage as low as possible. Snap is the recommended way to install the latest binaries. You can build shadowsocks-libev and all its dependencies by script. The latest shadowsocks-libev has provided a redir mode. You can configure your Linux-based box or router to proxy all TCP traffic transparently, which is handy if you use an OpenWRT-powered router. Although shadowsocks-libev can handle thousands of concurrent connections nicely, we still recommend setting up your server's firewall rules to limit connections from each user. We strongly encourage you to install shadowsocks-libev from jessie-backports-sloppy.
    Downloads: 5 This Week
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  • 8
    Awesome Blazor

    Awesome Blazor

    Resources for Blazor, a .NET web framework using C#/Razor

    Blazor lets you build interactive web UIs using C# instead of JavaScript. Blazor apps are composed of reusable web UI components implemented using C#, HTML, and CSS. Both client and server code is written in C#, allowing you to share code and libraries. Blazor is a feature of ASP.NET, the popular web development framework that extends the .NET developer platform with tools and libraries for building web apps. Blazor can run your client-side C# code directly in the browser, using WebAssembly. Because it's real .NET running on WebAssembly, you can re-use code and libraries from server-side parts of your application. Alternatively, Blazor can run your client logic on the server. Client UI events are sent back to the server using SignalR, a real-time messaging framework. Once execution completes, the required UI changes are sent to the client and merged into the DOM.
    Downloads: 2 This Week
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  • 9
    Free Responsive HTML Email Template

    Free Responsive HTML Email Template

    A free simple responsive HTML email template

    Sometimes you just want to send a simple HTML email with a simple design and clear call to action. This is it. This is a really simple email template. Its sole purpose is to get the recipient to click the button with no distractions. Save yourself the pain of coding HTML email and download email templates. There are over 30+ major email clients using different rendering engines and various email providers like Outlook, Gmail, Apple, Yahoo Mail. Email requires special development skills. It is important to consider the experience for iOS and Android users if you really want to get your return on investment. A broken mobile experience can break your campaign. You have a lot to do. You have websites to design, code to test, products to ship, campaigns to send. That's why these templates were created, to save you time. These HTML email templates have been tried and tested across all major email clients.
    Downloads: 2 This Week
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  • 10
    Mozilla JPEG Encoder Project

    Mozilla JPEG Encoder Project

    Improved JPEG encoder

    MozJPEG improves JPEG compression efficiency achieving higher visual quality and smaller file sizes at the same time. It is compatible with the JPEG standard, and the vast majority of the world's deployed JPEG decoders. MozJPEG is compatible with the libjpeg API and ABI. It is intended to be a drop-in replacement for libjpeg. MozJPEG is a strict superset of libjpeg-turbo's functionality. All MozJPEG's improvements can be disabled at run time, and in that case it behaves exactly like libjpeg-turbo. MozJPEG is meant to be used as a library in graphics programs and image processing tools. We include a demo cjpeg command-line tool, but it's not intended for serious use. We encourage authors of graphics programs to use libjpeg's C API and link with MozJPEG library instead. Progressive encoding with "jpegrescan" optimization. It can be applied to any JPEG file (with jpegtran) to losslessly reduce file size.
    Downloads: 1 This Week
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  • 11
    eBook

    eBook

    LaTeX book with examples, open-source eBook

    LaTeX can be a challenging system to learn, but with this book of different examples, it becomes interesting and easier than ever. This comprehensive guide covers a lot of essentials and is written in a clear and concise style, showing the result vs code. Plus, it's #opensource and freely available, creating a collaborative learning environment. In this book the I try to reveal how you can find necessary pieces of TeX code looking only at already done work. If you want to create high-quality documents with LaTeX, check out the LaTaX book on GitHub, and feel free to ask any questions you have.
    Downloads: 9 This Week
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  • 12
    adx - addressbook.xml

    adx - addressbook.xml

    Minimalistic address book in web browser. No server or plugin needed.

    Minimalistic but full-featured addressbook in your web browser. adx is a standalone and portable web app (online and offline). FEATURES Contact Management, portable, small (~350KB), lightweight, contact tagging, geo mapping, web accounts, trigger phone/Skype calls, etc. EXPORT FUNCTIONALITY vCard (as file or QR code via offline generator) HOW IT WORKS Your address-book (XML file) is transformed in your web browser (via XSLT) to a full-featured web application (HTML). REQUIREMENTS Web browser for viewing adx; online hosting or local storage is possible (for local storage most modern browsers need to be configured to allow access to local files); NO server, plugin or anything else needed. Any text editor can be used for contact editing (addressbook.xml).
    Downloads: 5 This Week
    Last Update:
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  • 13
    Loid is used to work with Java and Objective-C to simplify data exchange bindings. Loid can generate meta-information available at run-time. Requesting clients or applications can inference on the meta-information for data binding.
    Downloads: 4 This Week
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  • 14
    PUMA Repository

    PUMA Repository

    Pascal Units for Medical Applications

    The PUMA Repository is a collection of Pascal units for medical informatics. It contains reusable source code for a wide field of health-care application development. The code includes a support engine for the European Data Format (EDF and EDF+), converting functions for units of measurement and an HL7 engine. PUMA is compatible with Lazarus and Free Pascal. Some of the units also support other Pascal implementations including Delphi, winsoft Pocket Studio and other compilers.
    Downloads: 2 This Week
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  • 15
    HTML_And_CSS_Basics_With_Important_Tags

    HTML_And_CSS_Basics_With_Important_Tags

    An easy to edit webpage template / cheatsheet

    Just view this html file on your favourite internet browser and also edit it using your favourite text editor, according to your needs. That's all.
    Downloads: 1 This Week
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  • 16

    APDU for Java

    Utilities for generating and parsing APDU commands

    This package provides utilities for generating and parsing APDU commands and responses as specified in ISO/IEC 7816. These utilities may be useful for implementers of smart card readers, smart card tracers and debuggers, or smart card emulation (such as Android's Host Card Emulation, or HCE).
    Downloads: 0 This Week
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  • 17

    Android Ebook Converter

    An Android application for converting ebooks

    This application allows Android users to convert ebooks between formats on their devices.
    Downloads: 0 This Week
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  • 18
    Anduit is a user interface design tool for the Android platform. Users can create their own mobile phone user interface by using Anduit, a feature rich, wysiwyg and drag-and-drop style UI designer.
    Downloads: 0 This Week
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  • 19
    Aztec

    Aztec

    A reusable native Android rich text editor component

    Aztec (which extends EditText) is a rich-text editor component for writing HTML documents in Android. You can check the minimum Android version supported by looking at the minSdkVersion configuration within build.gradle. There is an optional list type you can enable in the editor. In addition to ordered and unordered lists you can use task list. A task list is an unordered list that shows and saves checkboxes instead of bullets. By default, Aztec allows nested blocks. In certain cases, this doesn't have to be the preferred behavior. There is an option to disable nested blocks. When switched, this editor will always add media and horizontal rules after the currently selected block, not in the middle of it. Aztec now supports placeholders to draw views that are not natively supported by the EditText and Spannable API. The functionality creates a span in the visual editor and draws an Android view over it.
    Downloads: 0 This Week
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  • 20
    BWTC32Key

    BWTC32Key

    A file compressor with AES256CTR and Base32768 binary-to-text encoding

    BWTC32Key is a program I wrote that compresses data, then optionally encrypts it, and then outputs a Base32768 representation as the final output
    Downloads: 0 This Week
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  • 21
    Yes, finally. The author decide to schedule some of his busy time to release the "Chinese Language Formula"- Step By Step. It will take a while, but eventually Chinese Language Processing is no longer a problem.
    Downloads: 0 This Week
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  • 22
    Android app that converts from integer decimals to binary, hexadecimal and octal. (signed numbers 32 bit or unsigned)
    Downloads: 0 This Week
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  • 23
    Froala Design Blocks

    Froala Design Blocks

    A set of 170+ Bootstrap based design blocks to create websites

    Over 170 responsive design blocks ready to be used in your web or mobile apps. All blocks are based on the Bootstrap Library, and they are the building blocks for beautiful websites. All Froala products are built for developers. As a HTML5 and CSS3 library, the Froala Design Blocks is clearly no exception. Sketch, PSD you name it. Froala Design Blocks is the tool that helps developers and designers speak the same language. Froala Design Blocks is a free and Open Source project with the goal to create an open design project that empowers everyone to contribute to a better web. A design tool is complete only if designers can use it as well. Froala Design Blocks is the bridge that connects designers and developers to reduce or even eliminate communication gaps. Froala Design Blocks is using the awesome Open Source illustrations created by unDraw. They have vectorial images that can be customized on-the-fly.
    Downloads: 0 This Week
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  • 24
    Gradle Kotlin DSL converter

    Gradle Kotlin DSL converter

    Convert from Groovy to Kotlin DSL for Gradle, focused on Android

    Welcome! After a lot of pain trying to migrate from Gradle's Groovy to Kotlin DSL on Android Studio, I developed this tool to solve most migration issues and reduce the amount of work you need in order to make things ready. Please see this tool as a helper, a first resource like Android Studio's Java converter to Kotlin: it won't make a perfect conversion, but it helps a lot in reducing the time you would spend on repetitive tasks. Sometimes you just want to copy and paste. Just copy whatever you want, run the script, then paste on your IDE. The script was made to convert build.gradle in build.gradle.kts, but it can also help in the migration if you paste something that is not in Kotlin DSL format and you want it converted.
    Downloads: 0 This Week
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  • 25
    Growth

    Growth

    Growth engineering, the definitive guide

    This is a guide book, so don't expect to learn all the knowledge points from this book, but it can help you build your knowledge system. We all learn, but sometimes we just don’t know what to learn. This is also lacking in other technical books. It can tell you what you can study and then what books to read. For some people, the reason for becoming a full stack is small and medium-sized companies from the society can hardly survive with only one field of knowledge. For some people, becoming a full stack comes because there is so much fun in this world. It's a shame to hang from a tree. For some people, the reason for becoming a full stack is they want to start a business. And people have too many misunderstandings about the full stack-they think that the full stack should do everything and be proficient in everything. The full stack is just because we have a holistic understanding of the system, rather than proficient in the entire system.
    Downloads: 0 This Week
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