C++ Compiler
For compiling c++ in atom i always use the "gpp-compiler" extension. Author: kriscross07Atom-IDE-UI
To add more IDE ui-features to atom i use the "atom-ide-ui" extension. Author: facebook-atomAtom-HTML-Preview
To get a nice preview for html files i use the "atom-html-preview" extension. After installing it can be activated via the menu: Packages -> preview html -> enable preview. Author: harmskAtom-Beautify
For formatting of pretty much any filetype i use the "atom-beautify" extension. After installing it can be used via CTRL + ALT + B. Author: Glavin001Replace-line-break
This extension allows you to remove line breaks in a selected area via the shortcut: CTRL - ALT - N Author: mochi8kScript
This extension allows you to execute scripts within atom using the shortcut: SHIFT - CTRL - B Author: rgbkrkTerminal extensions
The following are two good terminal extensions for atom. The main one that i use is Termination.Termination
This extension allows a more unix like terminal integration. It will use the powershell when installed und a windows system. Author: bus-stopTerminal-tab
This terminal extension is more integrated into windows and has a better UI but cannot display colors. Author: jsmecham