HelpNDoc - What is HelpNDoc ? Easy to use yet powerful help authoring environment which can generate various documentation formats from a single source.
Apache Airflow - Airflow is a platform to programmaticaly author, schedule and monitor data pipelines.
Dr.Explain - Dr.Explain software is a help file authoring tool.
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.
CHM Editor - Best solution to edit CHM files
n8n.io - Free and open fair-code licensed node based Workflow Automation Tool. Easily automate tasks across different services.