Search Atom packages.

right-case

Converts the word or selection to the case style you choose.
lee-dohm
1,018

selection-toggle-case

Atom package to toggle selected text case
mstmustisnt
97

case-keep-replace

Replace string but keep original letter case
itlamb
13,124

file-generator

Atom file generator package
jarden-liu
309

atomtoix

urlencode,change slash,camel case,del duplicates, and much more...
a-bentofreire
94

tree-view-camel-case-spaces

This package adds a spacer between words in file name on tree view if it is written in camel case.
bsalex
151