We are constantly working on new open source and free products.
At the present moment, we are thrilled to offer the following products:

Membership management software with eCommerce tools, a CRM, and extensive customizability.

Open sourced 03/2016

A drop-dead simple yet powerful approach to building collaborative documentation.

Open sourced 12/2011

Allows organizations to send self-destructing, highly encrypted one-time messages.

Free as of 05/2013