Search Atom packages.

etpl

An ETPL syntax definition & snippets specifically for Atom.
ecomfe
119

persistent-grammars

An Atom package for remembering custom grammars.
SiriusStarr
62

language-grammars

Syntax highlighting for ABNF/BNF/EBNF, Yacc, and other language-related languages.
Alhadis
865