RMM tools for MSPs, ranked on what actually determines whether the platform earns its place in production: how it behaves at 2 a.m. when an alert fires, whether the contract lets you leave if it stops working, and whether the pricing reflects actual endpoint counts or the worst month you ever had. NinjaOne leads because transparent per-endpoint pricing and no long-term contract requirement remove the two biggest sources of MSP regret in the category.