用于Android开发的免费类库和工具集合，按目录分类。
Action Bars
- ActionBarSherlock
- Extended ActionBar
- FadingActionBar
- GlassActionBar
- v7 appcompat library
广告
- AdMob
- Google Mobile Ads SDK
- InMobi
- mMedia
- mobileCore
- MoPub
- Tapjoy
Analytics
- Google Analytics
- Yandex Metrica
动画
- AndroidViewAnimations
- Motion
- Rebound
架构
- Android Bootstrap
- DroidParts
- GreenDroid
- Ignition
- Ketai
- Mortar
- Spring for Android
声音Audio
- aacdecoder-android
- Audio Wife
- Patchfield
- PlayerHater
后台处理
- Android Async
- Android Priority Job Queue
- Groundy
- smoothie
- Tape
向后兼容性
- HoloEverywhere
- NineOldAndroids
- PreferenceFragment
- Support Library
条码
- Android Barcode Generator
- BarCode Fragment
- ZBar
- ZXing
构建系统
- Apache Ant
- Apache Maven
- buck
- Gant
- Gradle
- Leiningen
- sbt
按纽
- Android Circle Button
- Android-Bootstrap
- Circular Progress Button
- Flat Button
- Process Button
- ProgressButton
- PSGradientButtons
- TH-ProgressButton
CSV
- CSVReader
- opencsv
- Super CSV
缓存
- Android-BitmapCache
- Android-Image-Cache
- carbonite
- DiskLruCache
- ObjectCache
Cards
- Cards-UI
- Cardslib
- cardsui-for-android
Changelog
- android-change-log
- ChangeLog Library
- ckChangeLog
- Inscription
云存储
- Driven
- Dropbox
- Google Drive
颜色分析
- Bright
- ColorArt
- Colours
颜色选择器
- android-color-picker
- color-picker-view
- ColorPickerPreference
- HoloColorPicker
Content Providers
- Content Provider Helper
- OrmLiteContentProvider
- ProviGen
- SimpleProvider
- SQLiteProvider
Crash Reports
- ACRA
- Crashlytics
Credits
- AboutLibraries
Curl/Flip Effects
- android-flip
- android-FlipView
- android_page_curl
- FoldableLayout
- TransitionViewPager
数据库
- Android ContentProvider Generator
- Android SQLiteAssetHelper
- DatabaseCodeGenerator
数据库浏览器
- SQLite Browser
- SQLite DB Bowser
- SQLite Manager
Date Pickers
- android-betterpickers
- android-datepicker
- Android-RecurrencePicker
- Caldroid
- DateTimePicker
- DateTimePicker Android 4.0+
- ExtendedCalendarView
- MFCalendarView
- Roboto Calendar View
- TimesSquare for Android
Dependency Injections
- AndroidAnnotations
- Butter Knife
- Dagger
- RoboGuice
- Stabbed Android
- Transfuse
Design
- Android 4.0 Design Startkit
- Android App Patterns
- Android Cheatsheet for Graphic Designers
- Android Niceties
- Android Patterns
- Google Android Design Guide
- HoloAccent
- ICS Apps
Dialogs
- LicensesDialog
- StandOut
- StyledDialogs
- UpdateChecker
Distribution Platforms
- Google Play
- HockeyKit
- Samsung Apps
EPUB
- Epublib
- SkyEpub
Emoji
- emojicon
- emojimenu
- KitKatEmoji
Event Buses
- greenrobot/EventBus
- Otto
- stickyd/eventbus
FRP
- reactive-android
- RxJava
File/Directory Choosers
- aFileChooser
- afiledialog
- DirectoryChooser
- NoNonsense FilePicker
- simple-file-chooser
Floating Views
- StandOut
Fonts
- Calligraphy
- Fontify
- Google Fonts
- PixlUI
Gradle Plugins
- gradle-android-plugin
- gradle-android-scala-plugin
- sdk-manager-plugin
Graphics
- AChartEngine
- AFreeChart
- Android-Charts
- AndroidCharts
- Androidplot
- desCharts
- GraphView
- HoloGraphLibrary
Grid Views
- AndroidStaggeredGrid
- AnimatedGridView
- DynamicGrid
- FreeFlow
- PagingGridView
- QuiltViewLibrary
- StaggeredGridView
- TwoWayGridView
HTML
- HtmlCleaner
- Jericho
- jsoup
IDE
- AIDE
- Android Studio
- Eclipse ADT
- IntelliJ IDEA
IDE Plugins
- ADT Templates
- Android for Maven Eclipse
- Android Holo Colors IntelliJ Plugin
- ButterKnifeZelezny
- Dagger IntelliJ Plugin
- Otto IntelliJ Plugin
- SelectorChapek
Image Croppers
- Android CropImage
- android-crop
- Cropimage
- Cropper
Image Loaders
- LazyList
- Novoda Image Loader
- Picasso
- Universal Image Loader for Android
- UrlImageViewHelper
Image Processing
- Android StackBlur
- android-image-filtering
- android-jhlabs
- AndroidFastImageProcessing
- JJIL
- picasso-transformations
Image Views
- GifLib
- ImageViewZoom
- KenBurnsView
- PhotoView
- Smart Image View
- Swipeable cards
- TouchImageView
JSON
- GSON
- Jackson
- Jackson jr
- JSON.simple
- ModelMapper
Job Schedulers
- AlarmManager
- android-JobScheduler
- cron4j
Layouts
- Android Constrained Widgets
- Android Empty Layout
- Android Slide Show Widget
- CircleLayout
- CircularView
- DynamicBox
- FlatUI
- GridLayout
- ImageLayout
- ShowcaseView
List View Adapters
- Adapter Kit
- EasyAdapter
- FunDapter
- MultiChoiceAdapter
- Simple Section Adapter
List View Sections
- LetterSectionList
- ListviewFilter
- PinnedSectionListView
- StickyGridHeaders
- StickyListHeaders
- StickyScrollViewItems
List Views
- Android-MultiStateListView
- Android-ScrollBarPanel
- DragSortListView
- EnhancedListView
- Horizontal Variable ListView
- ListViewAnimations
- PagingListView
- PlayView
- SlideExpandableListView
- SuperListview
- SwipeListView
- TreeViewList
Lock Patterns
- Android-LockPattern
Logging
- hugo
- logback-android
- SLF4J
- SLF4J Android Logger
- slf4j-timber
- Timber
MIME
- Apache HttpMime
- Mime4j
Mails
- BackgroundMailLibrary
- javamail-android
Maps
- Android Maps Extensions
- Clusterkraf
- Google Maps Android API utility library
- map-controller
- MapNavigator
- osmdroid
- Polaris
Markdown
- Bypass
- cwac-anddown
- MarkdownView
移动Web框架
- ChocolateChip-UI
- Clank
- Fries
- Ionic
- iUI
- jQuery Mobile
- nativeCSS
- Ratchet
原生图片处理
- android-image-filter
- android-lib-magick
- CImg
- JavaCV
- libpng-android
- OpenCV
Navigation History
- Flow
网络
- AllJoyn Android
- Apache Commons Net
- APL
- Async Http Client
- Ion
- Loopj
- OkHttp
- reyna
- RoboSpice
- Volley
OAuth
- android-oauth-client
- Apache Oltu
- google-oauth-java-client
- oauth-signpost
- Scribe
OCR 引擎
- android-ocr
- tess-two
- Tesseract
ORM
- ActiveAndroid
- ActiveRecord for Android
- Androrm
- Cupboard
- DbQuery
- greenDAO
- Orman
- OrmLite
- Persistence
- Sprinkles
- Sugar ORM
- Torch
Object Mocking
- Android Mock
- EasyMock
- Mockito
- PowerMock
OpenGL
- AndEngine
- Dwarf
- jPCT AE
- libGDX
- min3d
- Rajawali
- Android PDF Writer
- Android-Pdf-Viewer-Library
- MuPDF
- PDFView
Parallax List Views
- ParallaxListView
- ParallaxScroll
- Paralloid
Parcelables
- Android AutoValue
- dallasgutauckis/parcelabler
- ParcelableCodeGenerator
- Parcelabler
- Parceler
Physics Engines
- Box2D
- Bullet
- Chipmunk2D
- JBox2D
Platforms
- Adobe AIR
- Appcelerator (Titanium Mobile)
- Corona SDK
- Ecere
- PhoneGap
Preferences
- Complex Preferences
- secure-preferences
- SimpleSharedPreferences
- UnifiedPreference
Progress Indicators
- Android Process Button
- Android Progress Panel
- Android-ProgressFragment
- GoogleProgressBar
- ProgressWheel
- SmoothProgressBar
Protocol Buffer
- micro-protobuf
- platform_external_protobuf
- protobuf-j2me
- wire
Pull To Refresh
- ActionBar-PullToRefresh
- Android-PullToRefresh
- PullToRefresh-ListView
- SwipeRefreshLayout
Purchases
- Amazon in-app purchasing
- AndroidBillingLibrary
- Donations Library
- Google Play in-app billing
- Open In-App Billing
Push Notifications
- Amazon Device Messaging
- java-apns
QR Codes
- android-quick-response-code
- Barcode Scanner (ZXing)
- ZXScanLib
REST
- Appsly Android Rest
- DataDroid
- Http Request
- Retrofit
- Windigo
RSS
- ahorn/android-rss
- Android-RSS-Reader-Library
- Simple-Rss2-Android
- Simplistic RSS
Range Bars
- range-bar
- range-seek-bar
- RangeSeekBar
- SeekArc
Ratings
- Appirater
- AppRater
- Discreet App Rate
- Rating Reminder
SOAP
- android-soap-enabler
- icesoap
- kSOAP
- nano
SSH
- Jaramiko
- JSch
- sshj
SVG
- androidsvg
- japgolly/svg-android
- svg-android
Scripting
- android-scripting
- FASL
- jnlua-android
Security
- AndroidPinning
- Conceal
- NetCipher (Onionkit)
- Secure-Preferences
- Spongy Castle
- SQLCipher
- Windows Azure ADAL
Sensors
- Compass-View-Library
- DASH
- GAST
- Seismic
- Sensorium
- SensorManager
Sliding Panels
- Android Sliding Up Panel
- android-menudrawer
- SlidingLayer
- SlidingMenu
Social Networks
- AndroidSocialNetworks
- Bitlyj
- Facebook SDK
- JTwitter
- Simple Social Sharing
- Twitter4J
Static Code Analysis
- Checkstyle
- FindBugs
- lint
- PMD
- Thresher
Status Bars
- SystemBarTint
- Xposed-Tinted-Status-Bar
System
- build.prop Tools
- Libsuperuser
- RootTools
TDD & BDD
- Cucumber
- JBehave
- JDave
- JUnit
- RoboSpock
- Spock
- TestNG
Template Engines
- Chunk
- commontemplate
- jmustache
- MiniTemplator
- Phrase
Testing
- Android FEST
- Espresso (android test kit)
- Robolectric
- Robotium
- uiautomator
Testing Tools
- Bot-Bot
- Calabash
- Remote Android Test Service
- Spoon
Text Views
- Android Floating Label
- android-flowtextview
- Android-RobotoTextView
- AnyTextView
- AutoFitTextView
- CreditCardEditText
- Float Labeled EditText
- HtmlTextView
- Justified
- Shimmer-android
Text-to-Speech
- Android Text to Speech
- TextToSpeech
Toasts
- Android-UndoBar
- AppMsg
- Crouton
- MessageBar
- SuperToasts
Toolkits For Other PL
- Neko
- Pindah
- Qt
- Ruboto
- Scaloid
- Xtendroid
Tools
- Android Studio Templates
- AndroidAssetStudio
- GridWichterle
- ProGuard
- Raccoon
- Scalpel
- ViewPortSizes
USB
- libusb
- PhysicaloidLibrary
- USB MIDI Driver
- usb-serial-for-android
Utils
- Android Intents
- android-common-lib
- AndroidUtils
- Apache Commons Codec
- Apache Commons IO
- AQuery
- Guava
- Joda Time
- libs-for-android
- NoTils
- Okio
Validation
- Android Saripaar
- android-formidable-validation
- Android-Validator
- FormValidations
- ValidationKomensky
Video
- AndroidFFmpeg
- ijkplayer
- libstreaming
- YouTube Android Player
View Pagers
- AutoNotifyViewPager
- JazzyViewPager
- PagerSlidingTabStrip
- ParallaxHeaderViewPager
- ParallaxPager
- VerticalViewPager
- View Flow
- ViewPagerIndicator
Weather
- Android-wunderground-client
- Weatherlib
- YWeatherGetter4a
WebSockets
- AutobahnAndroid
- codebutler/android-websockets
- koush/android-websockets
- Tyrus
XML
- JDOM
- kXML
- Simple
- SimpleEasyXmlParser
- Woodstox
- XML Data Parser
YAML
- JYaml
- SnakeYAML
- YamlBeans
本文转自：http://www.cnblogs.com/seven1979/p/4346052.html