Packages make Pulsar do amazing things.
paste-creator-and-inserter
This plugin integrates Pastebin service into Atom IDE. It can automatically create new pastes by selecting a code fragment in your editor and insert code by paste ID or corresponding URL
opal-dark-syntax
A dark, colorful, focus-oriented theme with opal-colored accents contrasted against an indigo-night editor background.
language-osiris
Syntax highlighting with more planned for the Divinity Engine's Osiris scripting language