TDLEF: Trans Defense, Legal and Education Fund: Organization in NYC that helps trans individuals, for free, with name change (you have to pay for the copies of the name change and paper publishing only)
GIP: Gender Identity Project: Run out of the LGBTQ Center in NYC, they provide resources and support groups (free and no intake requirement; just respect the rules)
Callen-Lorde LGBTQ Health Center: provides trans friendly medical care and the
HOTTs program for young trans individuals (whether they have a home or not).
Community Health Network (Bronx location specifically): provides trans friendly health care and programs