Volunteerhub is described as 'VolunteerHub: secure, easy-to-use, volunteer management software, fundraising, True CRM Integration (Blackbaud, Salesforce), waiver tracking & more'. There are three alternatives to Volunteerhub, not only websites but also apps for Android and iPhone. The best alternative is Five up, which is free. Other great sites and apps similar to Volunteerhub are Givlly (Freemium) and VolunteerBase (Freemium).
Givlly's cloud-based volunteer workspace was designed specifically to make your volunteer recruitment and management more efficient and effective. A thousand keystrokes are now reduced to a few clicks.