From $100/mo (published Stitch pricing) Stitch
Managed ELT
Managed data loading into analytics destinations. Existing Stitch pipelines remain relevant, while new buyers are directed toward Qlik Talend Cloud.
Managed ELT
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From $100/mo (published Stitch pricing) 
Open source Airbyte
Managed ELT
Open-source ELT with a hosted Cloud option. Free if you self-host, credit-based on Cloud, capacity-based on the enterprise plans.
Free tier Fivetran
Managed ELT
Managed ELT connectors that copy SaaS and database data into your warehouse. Free up to 500k rows a month, usage-based after that.