The Center for Media Justice is a dynamic communications strategy and media policy tank for grassroots organizations serving communities of color and America’s poor. http://centerformediajustice.org/
Check out their toolbox: https://centerformediajustice.org/category/media-how-tos/
The Praxis Project is a national, nonprofit organization that builds partnerships with local groups to influence policymaking to address the underlying, systemic causes of community problems. Read more about The Praxis Project here.
SmartMeme builds movements and amplifies the impact of grassroots organizing with new strategy and training resources, values based communications, collaborations, and meme campaigning. Read more about SmartMeme here.
The Spin Project strengthens nonprofit social justice organizations, small and large, to communicate effectively for themselves. Read more about Spin Project here.
Contact them to get a copy of their manuals https://spinacademy.org/contact-us/