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Utilities SDKs in Top 200 Free android Apps

  1. Gson Gson 139 Apps (70% of Top 200)

    Gson is a Java library that can be used to convert Java Objects into their JSON representation. It can also be used to convert a JSON string to an equivalent Java object. Gson can work with arbitrary Java objects including pre-existing objects that you do not have source-code of.

    • 78. Tinder - Dating, Make Friends and Meet New People
    • 94. Uber - Request a ride
    • 16. Amazon Shopping - Search, Find, Ship, and Save
    • 171. ZEDGE™ Wallpapers & Ringtones
    • 49. Twitter
    • 86. PicsArt Photo Editor: Pic, Video & Collage Maker
  2. Square Okio Square Okio 98 Apps (49% of Top 200)

    • 78. Tinder - Dating, Make Friends and Meet New People
    • 16. Amazon Shopping - Search, Find, Ship, and Save
    • 171. ZEDGE™ Wallpapers & Ringtones
    • 86. PicsArt Photo Editor: Pic, Video & Collage Maker
    • 35. Spotify: Listen to new music and play podcasts
    • 152. CBS Sports App - Scores, News, Stats & Watch Live
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  4. DuAd DuAd 96 Apps (48% of Top 200)

    • 78. Tinder - Dating, Make Friends and Meet New People
    • 94. Uber - Request a ride
    • 49. Twitter
    • 35. Spotify: Listen to new music and play podcasts
    • 19. Snapchat
    • 153. Google Docs
  5. Google Guava Google Guava 95 Apps (48% of Top 200)

    Guava is a set of core libraries that includes new collection types (such as multimap and multiset), immutable collections, a graph library, and utilities for concurrency, I/O, hashing, primitives, strings, and more. Guava comes in two flavors; the JRE flavor requires JDK 1.8 or higher, if you need support for JDK 1.7 or Android, use the Android flavor. You can find the Android Guava source in the android directory.

    • 78. Tinder - Dating, Make Friends and Meet New People
    • 94. Uber - Request a ride
    • 16. Amazon Shopping - Search, Find, Ship, and Save
    • 171. ZEDGE™ Wallpapers & Ringtones
    • 86. PicsArt Photo Editor: Pic, Video & Collage Maker
    • 35. Spotify: Listen to new music and play podcasts
  6. Glide Glide 86 Apps (43% of Top 200)

    Glide is a fast and efficient open source media management and image loading framework for Android that wraps media decoding, memory and disk caching, and resource pooling into a simple and easy to use interface. Glide includes a flexible API that allows developers to plug in to almost any network stack.

    • 78. Tinder - Dating, Make Friends and Meet New People
    • 16. Amazon Shopping - Search, Find, Ship, and Save
    • 171. ZEDGE™ Wallpapers & Ringtones
    • 152. CBS Sports App - Scores, News, Stats & Watch Live
    • 153. Google Docs
    • 99. ESPN
  7. Google Actions Google Actions 85 Apps (43% of Top 200)

    • 78. Tinder - Dating, Make Friends and Meet New People
    • 171. ZEDGE™ Wallpapers & Ringtones
    • 86. PicsArt Photo Editor: Pic, Video & Collage Maker
    • 152. CBS Sports App - Scores, News, Stats & Watch Live
    • 99. ESPN
    • 56. eBay - Buy, sell and discover deals on top brands
  8. ZXing ZXing 80 Apps (40% of Top 200)

    Zxing is a multi-format 1D/2D barcode image processing library. This opensource pluggin even though presently in development mode, still is a great option for developers. The pluggin is optimized with JRprofilerand implemented in Java, with ports to other languages

    • 78. Tinder - Dating, Make Friends and Meet New People
    • 16. Amazon Shopping - Search, Find, Ship, and Save
    • 171. ZEDGE™ Wallpapers & Ringtones
    • 49. Twitter
    • 86. PicsArt Photo Editor: Pic, Video & Collage Maker
    • 35. Spotify: Listen to new music and play podcasts
  9. Protocol Buffers Protocol Buffers 80 Apps (40% of Top 200)

    Protocol Buffers are Google's language-neutral, platform-neutral, extensible mechanism for serializing structured data. The protocol compiler for Protocol Buffers is written in C++ with pre-built binaries only provided for released versions.

    • 78. Tinder - Dating, Make Friends and Meet New People
    • 94. Uber - Request a ride
    • 16. Amazon Shopping - Search, Find, Ship, and Save
    • 171. ZEDGE™ Wallpapers & Ringtones
    • 49. Twitter
    • 86. PicsArt Photo Editor: Pic, Video & Collage Maker
  10. Square Dagger Square Dagger 66 Apps (33% of Top 200)

    Squares dagger presently deprecated by googles dagger allows you to focus on the interesting classes, declare dependencies, specify how to satisfy them, and ship your app. To contrast, the worst classes in any application are the ones that take up space without doing much at all: the BarcodeDecoderFactory, the CameraServiceLoader, and the MutableContextWrapper. These classes are the clumsy duct tape that wires the interesting stuff together. Dagger is a replacement for these FactoryFactory classes.

    • 78. Tinder - Dating, Make Friends and Meet New People
    • 16. Amazon Shopping - Search, Find, Ship, and Save
    • 171. ZEDGE™ Wallpapers & Ringtones
    • 86. PicsArt Photo Editor: Pic, Video & Collage Maker
    • 152. CBS Sports App - Scores, News, Stats & Watch Live
    • 56. eBay - Buy, sell and discover deals on top brands
  11. Square Picasso Square Picasso 50 Apps (25% of Top 200)

    Picasso is a powerful image downloading and caching library for Android. Picasso allows for hassle-free image loading in your application—often in one line of code!

    • 16. Amazon Shopping - Search, Find, Ship, and Save
    • 171. ZEDGE™ Wallpapers & Ringtones
    • 86. PicsArt Photo Editor: Pic, Video & Collage Maker
    • 35. Spotify: Listen to new music and play podcasts
    • 99. ESPN
    • 126. Etsy: Buy Custom, Handmade, and Unique Goods
  12. FasterXML Jackson FasterXML Jackson 47 Apps (24% of Top 200)

    Jackson is a suite of data-processing tools for Java (and the JVM platform), including the flagship streaming JSON parser / generator library, matching data-binding library (POJOs to and from JSON) and additional data format modules to process data encoded in Avro, BSON, CBOR, CSV, Smile, (Java) Properties, Protobuf, XML or YAML. Jackson suite has two major branches: 1.x is in maintenance mode, and only bug-fix versions are released; 2.x is the actively developed version.

    • 16. Amazon Shopping - Search, Find, Ship, and Save
    • 171. ZEDGE™ Wallpapers & Ringtones
    • 49. Twitter
    • 86. PicsArt Photo Editor: Pic, Video & Collage Maker
    • 35. Spotify: Listen to new music and play podcasts
    • 99. ESPN
  13. Greenrobot EventBus Greenrobot EventBus 46 Apps (23% of Top 200)

    EventBus is an open-source library for Android and Java using the publisher/subscriber pattern for loose coupling. EventBus enables central communication to decoupled classes with just a few lines of code – simplifying the code, removing dependencies, and speeding up app development.

    • 78. Tinder - Dating, Make Friends and Meet New People
    • 16. Amazon Shopping - Search, Find, Ship, and Save
    • 171. ZEDGE™ Wallpapers & Ringtones
    • 49. Twitter
    • 86. PicsArt Photo Editor: Pic, Video & Collage Maker
    • 99. ESPN
  14. Slf4j Slf4j 42 Apps (21% of Top 200)

    • 171. ZEDGE™ Wallpapers & Ringtones
    • 35. Spotify: Listen to new music and play podcasts
    • 99. ESPN
    • 65. Pandora - Streaming Music, Radio & Podcasts
    • 70. Audible: audiobooks, podcasts & audio stories
    • 27. Netflix
  15. Butterknife Butterknife 41 Apps (21% of Top 200)

    Annotate fields with @BindView and a view ID for Butter Knife to find and automatically cast the corresponding view in your layout. Calls to ButterKnife.bind can also be made anywhere you would otherwise put findViewById calls.

    • 78. Tinder - Dating, Make Friends and Meet New People
    • 99. ESPN
    • 28. Pinterest
    • 34. Target
    • 33. Roku
    • 108. Microsoft Outlook: Organize Your Email & Calendar
  16. Apache Commons Lang3 Apache Commons Lang3 36 Apps (18% of Top 200)

    Commons Lang provides a host of helper utilities for the java.lang API, notably String manipulation methods, basic numerical methods, object reflection, concurrency, creation and serialization and System properties. Commons Lang contains basic enhancements to java.util.Date and a series of utilities dedicated to help with building methods, such as hashCode, toString and equals.

    • 16. Amazon Shopping - Search, Find, Ship, and Save
    • 171. ZEDGE™ Wallpapers & Ringtones
    • 86. PicsArt Photo Editor: Pic, Video & Collage Maker
    • 35. Spotify: Listen to new music and play podcasts
    • 99. ESPN
    • 126. Etsy: Buy Custom, Handmade, and Unique Goods
  17. Joda Time Joda Time 33 Apps (17% of Top 200)

    Joda Time provides a quality replacement for the Java date and time classes. The design allows for multiple calendar systems, while still providing a simple API. The 'default' calendar is the ISO8601 standard which is used by XML. In Joda-Time the Gregorian, Julian, Buddhist, Coptic, Ethiopic and Islamic systems are also included. Supporting classes include time zone, duration, format and parsing.

    • 78. Tinder - Dating, Make Friends and Meet New People
    • 16. Amazon Shopping - Search, Find, Ship, and Save
    • 99. ESPN
    • 140. Adobe Acrobat Reader: PDF Viewer, Editor & Creator
    • 3. Walmart Shopping & Grocery
    • 117. Amazon Music: Stream and Discover Songs & Podcasts
  18. Apache Commons Codec Apache Commons Codec 31 Apps (16% of Top 200)

    Apache Commons Codec (TM) software provides implementations of common encoders and decoders such as Base64, Hex, Phonetic and URLs. Apache commons codec was formed as an attempt to focus development effort on one definitive implementation of the Base64 encoder. At the time of Codec's proposal, there were approximately 34 different Java classes that dealt with Base64 encoding spread over the Foundation's CVS repository.

    • 16. Amazon Shopping - Search, Find, Ship, and Save
    • 171. ZEDGE™ Wallpapers & Ringtones
    • 126. Etsy: Buy Custom, Handmade, and Unique Goods
    • 65. Pandora - Streaming Music, Radio & Podcasts
    • 28. Pinterest
    • 70. Audible: audiobooks, podcasts & audio stories
  19. Apache Commons.io Apache Commons.io 28 Apps (14% of Top 200)

    Commons IO is a library of utilities to assist with developing IO functionality. Commons IO consists of six main areas, namely; Utility classes (with static methods to perform common tasks), Input (useful Input Stream and Reader implementations), Output (useful Output Stream and Writer implementations), Filters (various implementations of file filters), Comparators (various implementations of java.util.Comparator for files), File Monitor (a component for monitoring file system events)

    • 16. Amazon Shopping - Search, Find, Ship, and Save
    • 171. ZEDGE™ Wallpapers & Ringtones
    • 86. PicsArt Photo Editor: Pic, Video & Collage Maker
    • 35. Spotify: Listen to new music and play podcasts
    • 99. ESPN
    • 56. eBay - Buy, sell and discover deals on top brands
  20. Chromium Chromium 21 Apps (11% of Top 200)

    • 94. Uber - Request a ride
    • 19. Snapchat
    • 153. Google Docs
    • 56. eBay - Buy, sell and discover deals on top brands
    • 131. Google Translate
    • 27. Netflix
  21. Nimbusds Nimbusds 20 Apps (10% of Top 200)

    Nimbusds is a Java library for Javascript Object Signing and Encryption (JOSE) and JSON Web Tokens (JWT). Nimbusds is easy to interate and should be considered by java language enthusiasts.

    • 140. Adobe Acrobat Reader: PDF Viewer, Editor & Creator
    • 3. Walmart Shopping & Grocery
    • 12. PayPal Mobile Cash: Send and Request Money Fast
    • 108. Microsoft Outlook: Organize Your Email & Calendar
    • 53. Ibotta: Cash Back Savings, Rewards & Coupons App
    • 114. GoodRx: Prescription Drugs Discounts & Coupons App

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