opensource

A form progress plugin for jQuery

http://net.tutsplus.com/tutorials/javascript-ajax/create-a-progress-bar-...

Character counter for jQuery.

http://tpgblog.com/2010/03/23/noblecount-jquery-character-count-plugin/

Turn a form into a step by step wizard using jQuery

http://www.jankoatwarpspeed.com/post/2009/09/28/webform-wizard-jquery.aspx

jQuery ajaxy chained selectboxes

http://www.codeassembly.com/Simple-chained-combobox-plugin-for-jQuery/

Check if a website is up...

http://seanja.com/tools/isitup/

based on the source here:

https://github.com/r3morse/isitup

Theme editor for editing css from drupal ala Wordpress

http://drupal.org/project/theme_editor

ShURLy is a URL shortening service implemented as a module for Drupal.

Here is the short url for this page: http://seanja.com/Zk4

Module can be found here:

http://drupal.org/project/shurly

An open source, project written in PHP for creating SQL queries using OOP instead of writing sql out by hand.

The plan is to have it handle multiple database types (postgres, mysql, sqlite), and allow the programmer to write his code without having to worry about compatibility.

The project is also being written using tdd.

Find it on github: https://github.com/SeanJA/query-builder

A javascript uploader that supports drag and drop, and can submit the file via xhr or hidden iframes (depending on the browser’s capabilities). I contributed php classes to this project.
Code: http://github.com/SeanJA/file-uploader

A Wordpress Plugin allows visitors to draw comments on your posts, rather than type them. Drawing tools include colour and brush size selection. Uses jQuery, php, and Raphaël.js
Code: http://code.google.com/p/articulate-comments-for-wordpress/
Beta Demo: http://seanja.com/demos/graffiti2/