Reevo platform's identity

This is what reevo (could be lowercase or uppercase, you decide) was looking for in their logo design

We need an isotype for a Social Network Web Platform about Alternative Education (free education, democratic, open schools, homeschooling, not compulsory education, unschooling, learning, life education, etc). The network will connect people, institutions, projects and other actors around those fields. The platform it's an non-profit innitiative, where any person can participate without limitations. The web technology used  in the platform is open source.
The isotype seeks to identify the platform, it needs to be simple to remember and kind to sight. We preffer the simple forms and the possibility to use it in different supports (screen, paper, etc) and contexts (different background colors) . 
The isotype should also include the possibility to be used with a logotype (the "reevo" name). The texts and typografic work should be harmoniously integrated with the isotype. However, the isotype should have a strong identity that allows it to work without extra elements (such as the … Read more