Twippr is a safe, simple way to send and receive money online, using direct private messages from your Twitter account. Accept Twippr micropayments to save Paypal fees.
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Send a fax from PHP
Dog Food Coupons
Skype Developer Zone
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Building a sentiment analyser for your Twitter feed
Twittery - Ruby Wrapper to Twitter
Update Twitter with Command Line Tools
APIs, mashups and code. Because the world's your programmable oyster.
Executive Editor, ProgrammableWeb. Author, Map Scripting 101. Lover, APIs.