Racer is distributed under the following BSD 3-clause license.

The standard way to install Racer is to use Quicklisp: (ql:quickload "racer").

An open source version of Racer 2.0 is available at Github.com.
Racer has been tested with ACL 8.2, CCL 1.9, LW 6.1, and SBCL 1.4.

Documentation

• User's Guide
• Reference Manual PDF
  The reference manual is also available online from your Racer Server running locally
  http://localhost:8080/reference-toplevel.html
• Examples

APIs (only required if you run (racer:racer-toplevel))

• Racer Client for Common Lisp
• Racer Client for Java (also contains the Racer OWLAPI interface)