EveryAction, a software provider, completed the acquisition of Salsa Labs, one of the largest and best-known software companies serving nonprofits. Financial terms were not disclosed. "We’re thrilled to welcome the Salsa Labs customers and staff to the EveryAction team, and look forward to doing more good together. Salsa Labs is one of the most-used and best known companies serving nonprofits, and has an incredible 18 year track record of helping nonprofits do good," Stu Trevelyan, EveryAction CEO.