B'nei Israel Congregation
- Synagogue affiliated with World Union for Progressive Judaism and Union of Jewish Congregations of Latin America and the Caribbean. Board of directors, community calendar and events, Jewish education, youth group and committees.
- http://www.bnei-israel.org/

PC Club of Costa Rica
- Helping people in Costa Rica understand and use their personal computers. Info about membership and meetings, newsletter and chat room.
- http://www.pcclub.net/