Documentation Browser Features:
• Offline Documentation: iOS, OS X, watchOS, tvOS, Swift, Man Pages, .NET Framework, ActionScript, Akka, Android, AngularJS, Angular.dart, Ansible, Apache, Appcelerator Titanium, AppleScript, Arduino, Backbone, Bash, Boost, Bootstrap, Bourbon, Bourbon Neat, C, C++, CakePHP, Cappuccino, Chai, Chef, Clojure, CMake, Cocos2D, Cocos2D-X, CodeIgniter, CoffeeScript, ColdFusion, Common Lisp, Compass, Cordova, Corona, CSS, D3.js, Dart, Django, Docker, Doctrine ORM, Dojo Toolkit, Drupal, ElasticSearch, Elixir, Emacs Lisp, Ember.js, Emmet.io, Erlang, Express.js, Expression Engine, ExtJS, Flask, Font Awesome, Foundation, GLib, Go, Gradle, Grails, Groovy, Grunt, Gulp, Haml, Handlebars, Haskell, HTML, Ionic, Jade, Jasmine, Java SE, Java EE, JavaFX, javascript, Joomla, jQuery, jQuery Mobile, jQuery UI, Julia, Knockout.js, Kobold2D, Laravel, LaTeX, Less, Lo-Dash, Lua, Marionette.js, Meteor, MomentJS, MongoDB, Mongoose, Mono, MooTools, MySQL, Nginx, Node.js, NumPy, OCaml, OpenCV, OpenGL, Perl, Phalcon, PhoneGap, PHP, PHPUnit, Play Framework, Polymer.dart, PostgreSQL, Processing.org, Prototype, Puppet, Python, Qt, R, Racket, React, Redis, RequireJS, Ruby, Ruby on Rails, Rust, Sass, SaltStack, Scala, SciPy, Semantic UI, Sencha Touch, Sinon, Smarty, Sparrow, Spring Framework, SproutCore, SQLAlchemy, SQLite, Statamic, SVG, Symfony, Tcl, Tornado, Twig, Twisted, TypeScript, TYPO3, Underscore.js, Unity 3D, Vagrant, Vim, VMware vSphere, WordPress, Xamarin, Xojo, XSLT, XUL, Yii, YUI, Zend Framework, Zepto.js.
• Download docsets from CocoaDocs.org, RubyGems.org, Maven.org (Java and Scala), Packagist.org (PHP), HexDocs.pm (Elixir and Erlang), Hackage (Haskell), DartDocs.org and GoDoc.org.
• Supports docsets generated using popular tools like Appledoc and Doxygen.
• Methods are conveniently shown in a special Table of Contents.
• Highlighted in-page search.
• Save bookmarks of your most used documentation pages.
• Create search profiles to easily switch between docsets.
• Easily search specific docsets by defining keyword filters (e.g. start your query with "ruby:" to search only the Ruby documentation).
• Integration plugins for: Xcode, Alfred, Quicksilver, LaunchBar, Coda, Espresso, PopClip, Sublime Text, Atom, Brackets, Chocolat, Emacs, Vim, BBEdit, TextWrangler, TextMate, Eclipse, AppCode, Android Studio, IntelliJ Idea, RubyMine, WebStorm, PhpStorm, PyCharm, Terminal, AppleScript.
• Easily integrate with any other application using the "dash://" URL scheme or the "Look up in Dash" system service.
• Annotate any documentation page and view public annotations.
• Use alongside Dash for iOS to turn your iOS device into a remote screen just for documentation.
• Fuzzy search. Don't let misspells get in your way.
• Built for speed. Searching is almost instant.

Snippet Manager Features:
• Collect snippets of code that you reuse often.
• Sync by saving your library in Dropbox.
• Over 80 syntaxes for code highlighting.
• Variable Placeholders can be edited before pasting.
• Abbreviations are expanded wherever you type them.

Version 4.0.3:  

Double clicking the top area of the Dash window will now minimize or maximize the window, depending on your Dock preferences

Fixed a search profiles issue which happened while switching between tabs with different profiles 

Fixed a crash which occurred while searching inside PDFs on macOS Sierra

Fixed an issue which sometimes caused Dash to not be able to save the license

Requires OS X 10.8 or later

Home Page - https://kapeli.com/dash