Atom ENSIME

ENSIME integration includes the following features for Scala developers:

Jump to definition
Hover for type information
Errors and warnings (in gutter and in an output window)
Basic autocompletion
Format source file
Show implicits
Go to type
Go to documentation
Organize imports

Full Documentation

Documentation is available at ensime.org

Getting Started Summary

After installation go to the Atom ENSIME package settings and set the path to sbt.
Use the gen-ensime command in sbt to generate a .ensime file.
cmd-shift-P Ensime: Start

See the full documentation for more details.