Manuals Search Engine

[flair777]

Manuals Search Engine for Web Masters and Programers (~ 973.000 Free Manuals) :imho:

 

[grisham]

google serach based manuals search engine that aggregates direct links to free manuals inpdf or html format from across the web, with an index of more than 5 million manuals in wide variety of topics. you can search from the website or directly from your browser search bar by installing the plugin.