The Raisers Edge - Cloud-based fundraising & donor management software solution built specifically for nonprofits & the entire social good community - get more info here.
Almabase - Build a powerful and engaging alumni website. For Free!
Talisma - CRM suite with marketing and KB (Knowledge Base) tools
Firsthand - Firsthand is trusted by 100s of universities, schools, and organizations worldwide to manage their alumni networking and mentoring programs.
EnterpriseAlumni - Corporate Alumni. EnterpriseAlumni is the market-leading Alumni Platform serving the worlds leading organizations to manage & engage their Alumni Community
Hivebrite - Hivebrite is an all-in-one community management platform.