OpportunityKnocks.org is the leading national online job site focused solely on the nonprofit community. The services offered by OpportunityKnocks.org are fast, easy and cost-effective for both employers and job seekers. For Seekers, OpportunityKnocks.org is a free premier destination to find a nonprofit job and access valuable resources to help in personal career development. For Employers, OpportunityKnocks.org is the best way to find qualified candidates plus access to a wealth of information on key areas including non profit management, non profit development and human resource topics.