Allows organizations to list their volunteer opportunities throughout the world.
The largest online database of volunteer opportunities, both on site and virtual.
Engage (Points of Light)
Aggregates postings from several major web volunteer opportunitiy registries, but also allows organizations to submit listings directly.
Catchafire is dedicated to helping organizations create skills-based volunteer consulting projects and then find professionals to volunteer to complete them. Note that this service is not free.
Good Work! (Canada)
"We help organizations of all kinds to find environmentally minded staff, managers, consultants, board members, interns and volunteers. GoodWork's mission is to connect those who genuinely care about the environment with the many opportunities — the important work — that needs to be done."
A free portal to connect health professionals (or all kinds) to volunteering opportunities around the world.
A site promoting quality university semester break experiences.
Create the Good
Service started by AARP to reach people over 55 years old, emphasizing flexible-time volunteer opportunities.
Opportunities to volunteer through a variety of government agencies