Fivetran ($5.6B) has built a ~$190M a year business as the Zapier of ETL, but like Zapier, they face an existential threat as SaaS companies like Salesforce and Stripe begin to offer native integrations—in Fivetran’s case, to the cloud data warehouse. Check out our coverage of Fivetran (dataset) and read our interview with Conor McCarter, co-founder of Prequel, for more.