In an effort to help U.S. based families reach relatives in Haiti,  Google has made Google Voice calls to Haiti free for the next two weeks.

Additionally, Google has created a Google Crisis Response page from which you can donate directly to to unicef or Care via Google Check Out.  They have also listed the organizations accepting SMS donations.

• SMS text “HAITI” to 90999 to donate $10 to Red Cross relief efforts
• SMS text “YELE” to 501501 to Donate $5 to Yele Haiti’s Earthquake Relief efforts
• SMS text “GIVE10” to 20222 to donate $10 to Direct Relief