
Two friends who lived two blocks apart built an onboarding tool, then bet the whole thing on HubSpot - cutting a third of the features to go deeper. It became one of the marketplace's most-installed apps.
EverAfter, Baton, UpdateAI, Usetiful, GUIDEcx and Skalin all set out to fix the messy handoff between a signed contract and a happy customer. Half of them have already been acquired. Here is what each one does - and why the category is consolidating so fast.