links for 2008-04-26

Idubeeis an online spreadsheet application built with Adobe Flex framework. Currently it’s in alpha stage but it’s already pretty functional application. Please, log in to try it (currently by invitation only)

ActionScript 3 Open-Source PDF Library

wForms is an open-source, unobtrusive javascript library that adds commonly needed behaviors to traditional web forms without the need for any programming skill.

BrainBuster is a logic captcha for Rails. A logic captcha attempts to detect automated responses (i.e., spambots) by asking a simple question such as a word puzzle or math question.

Building a Social Network Site in Rails

Primary design principles:

1. Wear it during sex.

sudo gem sources -a http://gems.github.com/