> While Dash is a $30 Mac app, there’s the free Windows and Linux version called Zeal[1], and a $20 Windows app called Velocity[2]. Of course there’s also at least one Emacs package doing the same thing: helm-dash[3].
[1] https://zealdocs.org/ [2] https://velocity.silverlakesoftware.com/ [3] https://github.com/dash-docs-el/helm-dash