Packages make Pulsar do amazing things.
atom-lint
Generic code linting support, including RuboCop, flake8, JSHint, CoffeeLint, etc.
emmet-simplified
Emmet Simplified – the simplified essential tool for web developers
text-manipulation
A set of text manipulation commands: escape/unscape, convert tabs to spaces and back, base64 encode/decode, convert between case styles, compute hashes, etc
linter-spell-javascript
Archived: Source Code has been archived
JavaScript spell checking using linter-spell.
build-powershell
Atom Build provider for Microsoft PowerShell, runs PowerShell scripts