Free as in freedom : Richard Stallman's crusade for free software

by Williams, Sam
Published 2002

Hands-on chatbot development with Alexa skills and Amazon Lex : create custom conversational and voice interfaces for your Amazon Echo devices and web platforms

by Williams, Sam
Published 2018

Richard Stallman et la révolution du logiciel libre : une biographie autorisée

by Stallman, Richard M., Williams, Sam, Masutti, Christophe
Published 2011