Skip to content
GlossaryConceptUpdated May 2026

SaaS

noun · also: api, integration

What is saas?

SaaS (Software as a Service) is the cloud-hosted software delivery model — log in via browser, pay monthly, no install required.

Definition

Full definition of saas

Stripe, Salesforce, HubSpot, Slack, Notion are all SaaS products. Contrast with on-prem software (you install on your servers) or boxed software (one-time license). The SaaS explosion is what created the need for automation platforms: every business now uses 50+ SaaS tools that need to talk to each other.

In practice

SaaS examples

Typical SaaS stack
Salesforce + Slack + HubSpot + Stripe + Notion + Google Workspace + Linear + Intercom
Used by

Apps that exemplify saas

See saas in action across real integrations.

FAQ

Common questions about saas

Is on-prem still relevant?
Yes, for regulated industries (finance, healthcare, government) or data-sovereignty requirements. Most modern teams default to SaaS.
How many SaaS tools does a typical company use?
Estimates: 100+ for mid-market, 1000+ for enterprise. The integration problem grows with this number.