ESOL Main Street
Although some of the information here is specific to Virginia, theres a lot of general and useful information about community services presented in a friendly way. See Health Care Services, for example.
http://www.jmu.edu/esol

Mouserobics
A fun site! (available in Spanish and other languages; scroll down to see language options at bottom left) Other computer tutorials available on same site.
http://www.ckls.org/~crippel/computerlab/tutorials/mouse/page1.html

DC Learns
Has information for adult basic education students including information about the GED.
http://www.dclibrary.org/dclearns
Some good basic information about using the Internet is within the DC Learns site at http://www.dclibrary.org/dclearns/learner/howtouse/basics/04.html

SeeAmerica.org
Links to state tourism pages.
http://www.Seeamerica.org

ESLCivicsLink
Online professional development from the same folks who created Project CONNECT. In-depth modules and discussion space for networking.
$89.95 for six months.
http://www.pbs.org/civicslink

Center for Adult English Language Acquisition
Comprehensive site funded by US Department of Education and operated by the Center for Applied Linguistics. A must for teachers.
http://www.cal.org/caela

Teachers of English to Speakers of Other Languages (TESOL)
A global professional association for English language educators involved in the teaching English as a second, foreign, or other language
http://www.tesol.org

GCF Global Learning
Free tutorials on computer skills for teachers (or advanced learners)
http://Goodwilltraining.org

Verizon Literacy University
Free online resources for teachers and tutors. (not all ESL)
http://www.vluonline.org/course/index.asp