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Atom versus Sublime

Userinface

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Very similar user interface of Atom and Sublime with the same Key Bindings

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Compare Atom 1.10 and Sublime 2

Sublime Atom
Platform OS X, Windows and Linux OS X, Windows and Linux
Architecture C++, Phyton Plugins Chromium, Node.js, HTML, CSS, JavaScript (CoffeeScript) Plugins
Package Manager 3rd part Packagecontrole core
Autocompletion Emmet Plugin core, Emmet is also available
Version Controle git, svn and mercurial plugins core git and svn, mercurial plugins
File combine sublimerge plugin core
Panes core colums core multiple
Configuration JSON UI + HTML, JavaScript (CoffeeScript) and CSS
Documentation minimal core documentation and larger 3rd part unoffical documentation full documentation
Licence License Key $70 per user (free unlimited trail with purchase message from time to time) MIT
Community forum, userecho and technical support open source, github, discuss and slack
Philosophy closed source open source
Releases slow weekly
UI traditional similar to Sublime, same Key Bindings as Sublime
Performance fast and stable sometimes slow, a lot of RAM