There is already open source dash (https://zealdocs.or https://zealdocs.or) although they don't provide Mac build because of an agreement to use some of dash's

There is already open source dash (https://zealdocs.or https://zealdocs.or) although they don't provide Mac build because of an agreement to use some of dash's lists. But you can build it on mac (https://github.com/zealdocs/zeal/wiki/Build-Instructions-for-macOS https://github.com/zealdocs/zeal/wiki/Build-Instructions-for...)