Search for source codes of any programming languages has been demand since programmers and developers are being gifted 24/7 broadband internet with themselves they now dont have to go all those heavy reference books to page by page. Among all code searching websites Google once again in search come top in this with its product Google Code Search that every body knows about. Open Source code search engines act as repository of all documented source codes of various programming languages or various projects source codes open for public display, optimized highly to show results of only source codes. Despite of this there are some specialist search engines made specifically for code search. Some of them that I went through are; Koders.com is one among leading search engine of open source code search. Display of results of source codes, I found on this site is least confusing and nicely formatted with codes in Grey background, display 3 lines below source code - Language source (C, C++ etc.), LOC (length of code, e.g. 43, 120 etc.) and reference document source along with active link to it. Koders .com also provides Koders IDE plug-ins for developers and programmers for Visual Studio.NET 2003 and 2005 and Eclipse ...