Apache Airflow - Airflow is a platform to programmaticaly author, schedule and monitor data pipelines.

Intercom - Intercom is a customer relationship management and messaging tool for web businesses. Build relationships with users to create loyal customers.

Dagster - The cloud-native open source orchestrator for the whole development lifecycle, with integrated lineage and observability, a declarative programming model, and best-in-class testability.

Service - Customer service issues solved for you, on demand, for free.

n8n.io - Free and open fair-code licensed node based Workflow Automation Tool. Easily automate tasks across different services.

Zendesk - Zendesk is a beautiful, lightweight help-desk solution.