AppExchange let ISVs publish Salesforce integrations — billing, marketing automationUsing machines or software to perform tasks with minimal human intervention., industry verticals — that customers install with clicks instead of custom code. It pioneered the SaaSSoftware as a Service — applications delivered over the internet on a subscription basis. app marketplace model later copied by AWSAmazon Web Services — the dominant cloud platform for compute, storage, and managed infrastructure., Shopify, and SlackA team messaging app — channels, integrations, and the default chat layer for many companies..

AppExchange turned Salesforce from a single product into a platform ecosystem.

It proved enterprise SaaSSoftware as a Service — applications delivered over the internet on a subscription basis. could support third-party marketplaces like consumer App StoreApple's marketplace for iOS apps — centralized distribution and in-app purchases on iPhone.s.