Volunteer World is described as 'provides a community marketplace for people to list, discover, and apply to international programs. Social projects can submit and self-administer their programs in an easy step-by-step process'. There are six alternatives to Volunteer World for Online / Web-based, Android and iPhone. The best alternative is Idealist, which is free. Other great apps like Volunteer World are VolunteerMatch (Free), Givlly (Freemium), Humancreed.com (Free) and My Selfless Act (Free).
VolunteerMatch strengthens communities by making it easier for good people and good causes to connect. The organization offers a variety of online services to support a community of nonprofit, volunteer and business leaders committed to civic engagement.
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.
MY SELFLESS ACT is the best platform, where you can share your selfless humanitarian work and experiences of your NGOs, Volunteers and/or individuals, which inspire other individuals to also be a part of any NGO or individually do some selfless work.