Presencia Ciudadana - A nonprofit group which promotes citizen engagement in election monitoring, environmentally sustainability, and other issues. They describe their funding, structure, and projects. [English/Spanish] - http://www.presenciaciudadana.org.mx
PVO México - A private nonprofit working in the areas of health, education, and rural and urban development. They give examples of their work, explain their funding, and tell how to help. [English/Spanish] - http://www.pvomexico.org
The History, Myths, Arts and Traditions of Mexico - Includes timeline of history, articles on notable people, cultural traditions, and indigenous stories. - http://www.mexconnect.com/mex_/history/historyindex.html
Guajiro Dreams - Weekly blogs from a US citizen living in Mexico City, as well as photos of major cities. - http://guajirodreams.com/
Solutions Abroad - Resource for expats who relocate to work in Mexico that provides inside information ranging from arrival to setting up home or business, and an online community to help get connected. [English/Spanish/German] - http://www.solutionsabroad.com/
Inside Mexico - Producer of education videos in English and Spanish about Mexico provides a catalog and a newsletter featuring information on holiday customs in the country. - http://www.inside-mexico.com
Mexico, People and Crafts - Present information about culture, history, and traditions. Includes decorating tips and adventures inside the hearts of mexican people and their crafts. - http://www.mexicopeopleandcrafts.com
Culture and Society of Mexico - Frequently asked questions from soc.culture.mexican. [English/Spanish] - http://www.public.iastate.edu/~rjsalvad/scmfaq/faqindex.html