Links

Official

• Twitter API Wiki
• OAuth
• PHP

Community HowTos

• PIN-based OAuth Using PHP by @kovshenin
• Automated Serverside Tweeting Using OAuth by @kovshenin
• Writing Your First Twitter Application with OAuth by @snipeyhead

Projects using TwitterOAuth

• PHP Twitter API Library by @Navarr
• TwCLI by @Navarr
• Awesome Lists by @AwesomeLists
• PS3 Heroes by @dirk_olbertz
• Brazen Careerist by @BrazenCareerist
• HybridAuth by @hybridAuth
• HabboWiki by @hintswen
• Thingfo by @thingfo
• phpbb3 Sign in with twitter by @dirtmind
• Twigel by @wuestenigel
• Hawkee by @Hawkee
• Foller.me by @kovshenin