UNICEF invited people to give by mail by printing out a form on its Web site, which you can find by clicking here.
Those interested in donating can also call (800) For Kids or (800) 367-5437.
Food for the Hungry has staff located near the earthquake and in neighboring Dominican Republic, according to the organization's Web site.
The site calls on visitors to donate to "help us respond now."
The Salvation Army is mobilizing resources and personnel to assist with the international relief effort in Haiti, the group said in a statement today.
The group has been working in Haiti since 1950. At present, they operates schools, clinics, a hospital, feeding programs, children's homes and church-related activities in Port-au-Prince. They are sending more than 44,000 pounds of pre-packaged emergency rations to the country, along with emergency disaster teams.
Doctors Without Borders had teams on the ground in Haiti when the earthquake struck who "witnessed significant damage to its medical facilities, injuries to patients and staff and an influx of wounded toward these hospitals in the capital," according to its Web site.
Partners in Health is an aid organization that has a team in Haiti and aims to provide "a preferential option for the poor in health care," according to its Web site.
Partners in Health has sent their medical director and a doctor to Santo Domingo and are working to get into Port-au-Prince.
In a press statement, the World Food Programme (WFP) said it will "bring urgently needed food assistance to thousands of people affected by the devastating earthquake" in Haiti.
WFP already has stocks of food located in Haiti, and intends to first "distribute nutritious high energy biscuits, which require no cooking" to victims.
In addition, there are plans to airlift 95 tons of food from the WFP's emergency hub in El Salvador. "This will allow us to feed 30,000 people in urgent need for food for up to seven days," the statement said. WFP emergency staff will also be deployed to the country.
CARE has 133 people on the ground in Haiti and is deploying additional staff immediately to distribute food, hygiene kits and water, as well as to deliver emergency health services. The organization is coordinating with other U.N. agencies and aid organizations to assess damage and on-the-ground needs.
AmeriCares has put together a $3 million relief package in the form of medications, trauma supplies, intravenous solutions, pain medication and other medical supplies.