http://www.open-lib.com/
1. jQuery BlockUI
jquery.blockUI.js
http://www.malsup.com/jquery/block/
2.jQueryConfirm
jquery.confirm.js
http://tutorialzine.com/2010/12/better-confirm-box-jquery-css3/
3.jQuery DateTimePicker
jquery-ui-timepicker-addon.js
http://www.cnblogs.com/stone_w/archive/2012/11/22/2783044.html
https://github.com/trentrichardson/jQuery-Timepicker-Addon
4.jHtmlArea
http://jhtmlarea.codeplex.com/
http://pietschsoft.com/demo/jHtmlArea/
5.Upload File
http://tekbrand.com/jquery/10-best-jquery-file-upload-plugins
http://blueimp.github.io/jQuery-File-Upload/
http://malsup.com/jquery/form/#file-upload
5.jQuery Tokeninput
http://loopj.com/jquery-tokeninput/
6.jQuery EasyUI
http://www.jeasyui.com/
7.Kendo UI
http://demos.kendoui.com/web/overview/index.html
8.MVVM模式的knockoutjs
http://learn.knockoutjs.com/#/?tutorial=intro
9.SQL.js
https://github.com/kripken/sql.js
10. jquery.dataTables.js
http://www.datatables.net/
http://hi.baidu.com/v10258/item/0509bb9d0370d247f1421589
11.jquery layer
https://github.com/sentsin/layer
jquery layer弹窗弹层插件 小巧强大
http://blog.csdn.net/smartsmile2012/article/details/39339733
http://sentsin.com/jquery/layer/
12.jquery-qrcode
https://github.com/jeromeetienne/jquery-qrcode
用jquery.qrcode.js生成高大尚的二维码
http://blog.csdn.net/wozaixiaoximen/article/details/39340039
13.CAPTCHA plugin,大多是PHP的
http://tympanus.net/codrops/2009/09/22/21-free-captcha-sources/