The easiest way to be a volunteer in Hungary is to choose an EVS project (find out more about it under the section 'EVS' or 'Youth in Action - Action 2' ) but there are some individual ways as well. Here are some links which can be useful for a potential volunteer in Hungary.

http://www.nonprofit.hu/english/szervkeresesadv.html
http://www.niok.hu/fooldal_eng.html
The Nonprofit Information and Training Centre can help you to contact NGOs in Hungary.

http://volunteerabroad.boomersabroad.com/ba-listings.cfm/countryID/37
Updated voluntary opportunities for foreigners in Hungary.

http://www.globalvolunteers.org/hungary/default.asp
Teach English in Hungary!

http://www.batortabor.hu/eng/be_a_volunteer!-67/cimboras_at_bator_tabor-99
Every year, Bátor Tábor Foundation organizes its therapeutic recreation programs for children with cancer, diabetes, JRA and haemophilia with the help of 420 volunteers. If you are over 20 years and if you speak some Hungarian you can join them.