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Utilities SDKs in Top 200 Free Android Apps

  1. Gson Gson 126 Apps (63% 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.

    • 122. Tinder - Dating, Make Friends and Meet New People
    • 48. Uber - Request a ride
    • 25. Amazon Shopping - More benefits, fewer steps
    • 136. ZEDGE™ Wallpapers & Ringtones
    • 38. Twitter
    • 56. Picsart Photo & Video Editor
  2. Google Guava Google Guava 109 Apps (55% 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.

    • 122. Tinder - Dating, Make Friends and Meet New People
    • 48. Uber - Request a ride
    • 25. Amazon Shopping - More benefits, fewer steps
    • 136. ZEDGE™ Wallpapers & Ringtones
    • 56. Picsart Photo & Video Editor
    • 24. Spotify: Music and Podcasts
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  4. Glide Glide 94 Apps (47% 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.

    • 122. Tinder - Dating, Make Friends and Meet New People
    • 25. Amazon Shopping - More benefits, fewer steps
    • 136. ZEDGE™ Wallpapers & Ringtones
    • 121. Google Docs
    • 45. ESPN
    • 77. Etsy: Buy Custom, Handmade, and Unique Goods
  5. Square Okio Square Okio 84 Apps (42% of Top 200)

    • 122. Tinder - Dating, Make Friends and Meet New People
    • 25. Amazon Shopping - More benefits, fewer steps
    • 136. ZEDGE™ Wallpapers & Ringtones
    • 56. Picsart Photo & Video Editor
    • 24. Spotify: Music and Podcasts
    • 45. ESPN
  6. ZXing ZXing 78 Apps (39% 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

    • 122. Tinder - Dating, Make Friends and Meet New People
    • 25. Amazon Shopping - More benefits, fewer steps
    • 136. ZEDGE™ Wallpapers & Ringtones
    • 38. Twitter
    • 56. Picsart Photo & Video Editor
    • 24. Spotify: Music and Podcasts
  7. DuAd DuAd 78 Apps (39% of Top 200)

    • 38. Twitter
    • 24. Spotify: Music and Podcasts
    • 7. Snapchat
    • 121. Google Docs
    • 45. ESPN
    • 77. Etsy: Buy Custom, Handmade, and Unique Goods
  8. Protocol Buffers Protocol Buffers 76 Apps (38% 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.

    • 122. Tinder - Dating, Make Friends and Meet New People
    • 48. Uber - Request a ride
    • 25. Amazon Shopping - More benefits, fewer steps
    • 38. Twitter
    • 56. Picsart Photo & Video Editor
    • 24. Spotify: Music and Podcasts
  9. Google Actions Google Actions 68 Apps (34% of Top 200)

    • 122. Tinder - Dating, Make Friends and Meet New People
    • 136. ZEDGE™ Wallpapers & Ringtones
    • 56. Picsart Photo & Video Editor
    • 45. ESPN
    • 66. eBay marketplace - Buy & sell
    • 85. Pandora - Streaming Music, Radio & Podcasts
  10. Greenrobot EventBus Greenrobot EventBus 47 Apps (24% 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.

    • 25. Amazon Shopping - More benefits, fewer steps
    • 136. ZEDGE™ Wallpapers & Ringtones
    • 38. Twitter
    • 45. ESPN
    • 49. Pinterest
    • 155. Booking.com: Hotels and more
  11. Square Picasso Square Picasso 46 Apps (23% 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!

    • 25. Amazon Shopping - More benefits, fewer steps
    • 136. ZEDGE™ Wallpapers & Ringtones
    • 56. Picsart Photo & Video Editor
    • 24. Spotify: Music and Podcasts
    • 45. ESPN
    • 77. Etsy: Buy Custom, Handmade, and Unique Goods
  12. FasterXML Jackson FasterXML Jackson 45 Apps (23% 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.

    • 25. Amazon Shopping - More benefits, fewer steps
    • 136. ZEDGE™ Wallpapers & Ringtones
    • 38. Twitter
    • 56. Picsart Photo & Video Editor
    • 24. Spotify: Music and Podcasts
    • 45. ESPN
  13. Square Dagger Square Dagger 42 Apps (21% 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.

    • 122. Tinder - Dating, Make Friends and Meet New People
    • 25. Amazon Shopping - More benefits, fewer steps
    • 136. ZEDGE™ Wallpapers & Ringtones
    • 66. eBay marketplace - Buy & sell
    • 85. Pandora - Streaming Music, Radio & Podcasts
    • 104. Audible: audiobooks, podcasts & audio stories
  14. Slf4j Slf4j 37 Apps (19% of Top 200)

    • 136. ZEDGE™ Wallpapers & Ringtones
    • 24. Spotify: Music and Podcasts
    • 45. ESPN
    • 85. Pandora - Streaming Music, Radio & Podcasts
    • 104. Audible: audiobooks, podcasts & audio stories
    • 12. Netflix
  15. Apache Commons Codec Apache Commons Codec 33 Apps (17% 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.

    • 25. Amazon Shopping - More benefits, fewer steps
    • 136. ZEDGE™ Wallpapers & Ringtones
    • 77. Etsy: Buy Custom, Handmade, and Unique Goods
    • 85. Pandora - Streaming Music, Radio & Podcasts
    • 49. Pinterest
    • 104. Audible: audiobooks, podcasts & audio stories
  16. Joda Time Joda Time 31 Apps (16% 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.

    • 122. Tinder - Dating, Make Friends and Meet New People
    • 25. Amazon Shopping - More benefits, fewer steps
    • 45. ESPN
    • 92. Adobe Acrobat Reader: Edit PDF
    • 155. Booking.com: Hotels and more
    • 143. TuneIn Radio: News, Sports & AM FM Music Stations
  17. Apache Commons Lang3 Apache Commons Lang3 27 Apps (14% 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.

    • 25. Amazon Shopping - More benefits, fewer steps
    • 136. ZEDGE™ Wallpapers & Ringtones
    • 56. Picsart Photo & Video Editor
    • 24. Spotify: Music and Podcasts
    • 77. Etsy: Buy Custom, Handmade, and Unique Goods
    • 85. Pandora - Streaming Music, Radio & Podcasts
  18. Apache Commons.io Apache Commons.io 26 Apps (13% 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)

    • 25. Amazon Shopping - More benefits, fewer steps
    • 136. ZEDGE™ Wallpapers & Ringtones
    • 56. Picsart Photo & Video Editor
    • 24. Spotify: Music and Podcasts
    • 45. ESPN
    • 66. eBay marketplace - Buy & sell
  19. Butterknife Butterknife 20 Apps (10% 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.

    • 122. Tinder - Dating, Make Friends and Meet New People
    • 45. ESPN
    • 49. Pinterest
    • 167. Airbnb
    • 116. Chase Mobile
    • 18. Roku - Official Remote Control
  20. Chromium Chromium 18 Apps (9% of Top 200)

    • 48. Uber - Request a ride
    • 7. Snapchat
    • 121. Google Docs
    • 66. eBay marketplace - Buy & sell
    • 49. Pinterest
    • 93. Google Sheets
  21. Nimbusds Nimbusds 16 Apps (8% 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.

    • 92. Adobe Acrobat Reader: Edit PDF
    • 63. OfferUp: Buy. Sell. Letgo.
    • 148. Microsoft Outlook: Secure email, calendars & files
    • 161. Walgreens
    • 29. McDonald's
    • 118. Instacart: Shop groceries & get same-day delivery

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