Salsa Labs Has Been Acquired by Accel-KKRThis acquisition will help accelerate Salsa Labs’ strategy to continue to organically build upon their leading edge supporter engagement platform and to acquire other technologies that empower nonprofits. BETHESDA, Md., April 12, 2018-- Salsa Labs, a leading provider of fundraising, advocacy, and marketing software for nonprofits, today announced that it has been acquired by Accel-KKR, a leading technology focused private equity firm.