Rapi Castillo of the Progressive Coders Network, the volunteer coders associated with the Bernie Sanders presidential campaign, talks with Nathaniel G. Pearlman about his work and passion to build open source tools for progressive causes and collective action. |  Episode 51, The Great Battlefield on Soundcloud.

February 19, 2017. Saron Yitbarek of CodeNewbie podcast interviews Rapi Castillo of Progressive Coders Network who explains that open source contributors are not free labor, but members of a powerful collaborative grassroots political movement.