There are 4 repositories under zeal-docset topic.
A collection of Dash's user contributed docset feed for using with Zeal
A dash docset for powershell modules : https://docs.microsoft.com/en-us/powershell/module/
A port of Kapeli's (Dash and Zeal) javadocset in Golang
Dash DocSet for TensorFlow 2.x and 1.x
Offline NSIS documentation set for Dash, Zeal, and Velocity