After installing Zeal go to Tools ⟶ Docsets to browse and download docsets.
You can limit search results to a specific (or a set of specific) docsets.
The docset filter and the search query are delimited by a colon character (
stringwill search all docsets for
python:stringwill search only docsets related to Python for
An Atom package is available at https://atom.io/packages/dash.
There is a Brackets integration available at https://github.com/anephew/brackets-zeal.
There is an Emacs package available at https://github.com/jinzhu/zeal-at-point.
There is an IDEA plugin available at https://plugins.jetbrains.com/plugin/7351?pr=idea.
KTextEditor (Kate, KWrite, KDevelop, Kile, etc)
A plugin for KTextEditor-based editors is available at https://github.com/g3ar/ZealSearch.
There is a Sublime Text 2/3 package available at https://github.com/vaanwd/Zeal.
There is a Vim plugin available at https://github.com/KabbAmine/zeavim.vim.
Or you can use https://github.com/keith/investigate.vim with something like this in .vimrc:
let g:investigate_command_for_python = '/usr/bin/zeal ^s'
A simpler way to integrate with Vim is a simple mapping, like
:nnoremap gz :!zeal "<cword>"&<CR><CR>