Here are humanitarian organizations that I recommend:

Websites of International Development Organizations:

humanitarianservices.org

lds.org/pef (Perpetual Education Fund)

selfreliance.byu.edu

childrenoftheamericas.com

choicehumanitarian.org

rescueamillion.org

reachthechildren.org

empoweringnations.org

ascendalliance.org

motherswithoutborders.org

globusrelief.org

help-international.org

unitus.com

sistercommunity.org

enterprise-mentors.org

eagle-condor.org

knowledge.allianz.com

worldvolunteerweb.org

microcreditsummit.org

microfinancegateway.org

accioninternational.org

heiferinternational.org

grameen bank / Grameen Foundation

FINCA International

Modest Needs

Life Lab

Mercy Corps

Olive Crest

Hunger Site

Child Health Site

Childhelp USA

The Literacy Site

Charity Navigator