Packages make Pulsar do amazing things.
linter-phplint
Archived: Source Code has been archived
Lint PHP on the fly, using phplint (not yet ready)
linter-vnu
Lint HTML5 or XHTML5 on the fly using the Nu Html Checker (v.Nu)
linter-mixed-indent
An Atom editor linter plugin to mark lines that have differing indentation.