Thank you!
.NET libraries
Affirma.ThreeSharp C# Library and Code for Amazon S3
Amazon.SimpleDB C# Library for Amazon SimpleDB
ASP.NET Captcha A C# port of Jeff Atwood's ASP.NET Captcha Control
log4net A port of the excellent log4j framework to the .NET runtime
JavaScript encryption related libraries
Brian Turek and Atsushi Oka JavaScript implementation of SHA
Atsushi Oka SHA hash calculations
Atsushi Oka Tools for creating, modifying binary data
Leemon Baird Big Integer Library
Paul Johnston (other contributors: Greg Holt, Andrew Kepert, Ydnar, Lostinet) A JavaScript implementation of SHA-512 (implementing the secure hash standard)
Mark Percival, Josh Davis, Chris Veness, and Michel I. Gallant A lightweight JavaScript Libray for OpenSSL compatible AES CBC encryption (implementing the Advanced Encryption Standard (AES)
jQuery libaries
The jQuery team jQuery: The Write Less, Do More, JavaScript Library
Mark Perkins jQuery URL Parser
Oleg Podolsky AJAX request queueing for jQuery
zkBox client libaries