Open Source Examples

Open source projects are a great way to learn from other developers' experience with the Twitter API. There are plenty out there!

• CodePlex
• GitHub
• Google Code
• SourceForge

Cocoa/Objective-C

Fring (mobile web)

Java

.NET

Ruby

Silverlight

Smalltalk

• TwitterScript by Michael Galpin. AS3 API, originally from Twitter, now open sourced.
• SWX Twitter API by Aral Balkan.
• Tweetr by Sandro Duccesschi. AS3, supports the REST API, Search API, and URL shortening.
• Coderanger by Dan Petitt. Flex/Air OAuth library class.

• QTwitLib by Bradley Lackey & Maks Zolin. C++ library for Linux, Windows, and Mac. Currently in beta.
• Twitcurl by Mahesh. C++ library which uses curl library for HTTP interaction with Twitter API.

• Yedda Twitter Library by Yedda. Every Twitter API method has an equivalent .NET method in this wrapper library.
• TwitterooCore API by Eric Willis/RareEdge Design Group. Binary .NET library that can be used in any .NET project.
• Twitterizer originally by DigitallyBorn, but now open source. Written for .NET 2.0.
• TweetSharp by Daniel Crenna. TweetSharp is a fluent interface to the Twitter API with an active community and full coverage of current and announced API features.
• LINQ to Twitter by Joe Mayo. An open source LINQ provider for the Twitter API
• CSharpTwitt by Himanshu Hajariwala. Twitter API library in C#

• Clojure Client for the Twitter API by Matt Revele
• Clojure Library for OAuth by Matt Revele

• twitterCOM by Quinn Michaels. Twitter Library for the CFML Language.
• CFTwitterLib by Pedro Claudio. Twitter API ColdFusion Component.

• Eiffel Twitter by Jocelyn Fiat

• erlang_twitter by ngerakines. An Erlang twitter client.

• Twitter4J by Yusuke Yamamoto. An open-sourced, mavenized and Google App Engine safe Java library for the Twitter API, released under the BSD license.
• java-twitter by DeWitt Clinton. Pure java interface for the Twitter API.
• jtwitter by Daniel Winterstein. Open-source pure Java Interface to Twitter.
• Twitter Client by Gist, Inc. Java client to connect to the Streaming API.

• TwitterHelper by Daniel Glazman
• SpazCore by Ed Finkler. An open-source component library for building desktop and mobile apps in web runtimes (AIR, Titanium, WebOS). Includes a Twitter library.

• [twitter] by Jason Huck.

• MGTwitterEngine by Matt Gemmell. Twitter library with OAuth and xAuth support for Mac OS X and iPhone development.
• Canary by Nick Toumpelis. It is a fully-fledged client, with m ulti-user support.

• App::Tweet by Joshua McAdams. Tweet on Twitter from the command line.
• Net::Twitter by Marc Mims. Perl interface to Twitter.
• Net::Twitter::Lite by Marc Mims. Lightweight Twitter API library.
• Twitter::Shell by Daisuke Maki. Twitter from your shell.

• My Twitter by Andres Scheffer. Set and retrieve a Twitter user's status.
• Twitter by Felix Oghina. Update the status of a Twitter user.
• TwitterLibPHP by Justin Poliey. Manipulate a Twitter user account.
• Arc90_Service_Twitter by Matt Williams. Open source Twitter API client.
• PHP Twitter by Aaron Brazell, original code from David Billingham.
• PEAR Services_Twitter by Joe Stump and David Jean Louis.
• PHP Twitter by Tijs Verkoyen. BSD Licensed.
• Twitter-async by Jaisen Mathai. Wrapper for Twitter's OAuth API which provides asynchronous calls.
• API CodeIgniter Library by Eliot Haughin.
• Phirehose by Fenn Bailey. A library for the Streaming API
• TwitterOAuth by Abraham Williams. The first PHP Library to support OAuth. MIT licensed.
• oauth_twitter by Basil Brassily Thoppil.

• OraTweet by Noel Portugal. PL/SQL procedures to get friends timeline and post updates.

• oauth-python-twitter2 by Konpaku Kogasa. Combines python-twitter and oauth-python-twitter to create an evolved OAuth Pokemon.
• python-twitter by DeWitt Clinton. This library provides a pure Python interface for the Twitter API.
• python-twyt by Andrew Price. BSD licensed Twitter API interface library and command line client.
• twitty-twister by Dustin Sallings. A Twisted interface to Twitter.
• twython by Ryan McGrath. REST and Search library inspired by python-twitter.
• Tweepy by Josh Roesslein. Supports OAuth, Search API, Streaming API.

• Twitter4R by Susan Potter. Open-source Ruby library for the Twitter REST API.
• Twittery by Chris Ledet. Lightweight class for Twitter's API.
• Twitter by John Nunemaker. Command line twits and an api wrapper using Hpricot.
• Grackle by Hayes Davis. Supports OAuth, Search API, REST API. Resilient to API changes.
• TwitterLand by Bradley Joyce. Supports the Twitter-related APIs from Follow Cost, Twitter Grader, Mr Tweet, Twinfluence, and TwitterCounter.

• talking-puffin by Dave Briccetti.

• SQL# (SQLSharp) by Solomon Rutzky. A SQLCLR library of Functions and Procedures, some being for Twitter.

• TwitterVB by Duane Roelands.