Ninja IDE vs GNU Emacs

Plugins can easily be created to add features that you may need but are otherwise missing from the IDE.

Has out of the box support for virtualenv, which can be added when first starting a project or later through the settings.

Has an embedded python console built in.

It is possible to run the project or any file opened in the editor with just one click.

Allows you to search one or more words, a regular expression, etc.

• GNU/Linux
• OS X
• Windows

NInja IDE highlights both static and PEP8 errors in a file. With each type of error having its own icon.

Also supports rendering HTML files currently loaded in the editor.

Allows you to manage projects, saving descriptions and information about them and letting the user to perform file management related task inside the IDE itself.

Code locator allows quick and direct access to any file, function or class inside one of the project by simply pressing a few keys. Pressing Ctrl + K open a popup over a text field, where you can type the name of what you want.

You can easily see all functions, classes and attributes in the current program.

Customizations can be made to a wide range of Emacs' functions through a Lisp dialect. A robust list of existing Lisp extensions include the practical (git integration, syntax highlighting, etc) to the utilitarian (calculators, calendars) to the sublime (chess, Eliza).

Licensed under GNU GPL.

Emacs can be controlled entirely with the keyboard.

You can use Emacs' command line interface or graphical user interface.

Emacs has extensive help support built-in as well as a tutorial accessed with C-h t.

Packs like spacemacs make it easy to get started and bring the learning curve down from an infinitely regressing spiral to something more manageable.

Emacs has modes for nearly every use case, even ones like mail and internet browsing. It has often been said that Emacs is essentially an operating system on its own.

Evil-mode makes Emacs actually usable as an editor.