This section documents how to access the Arvados API and Keep using various programming languages.
-* "Python SDK":python/sdk-python.html
-* "Perl SDK":perl/index.html
+* "Python SDK":{{site.baseurl}}/sdk/python/sdk-python.html
+* "Perl SDK":{{site.baseurl}}/sdk/perl/index.html
+* "Ruby SDK":{{site.baseurl}}/sdk/ruby/index.html
+* "Java SDK":{{site.baseurl}}/sdk/java/index.html
+* "Command line SDK":{{site.baseurl}}/sdk/cli/index.html ("arv")
+
+SDKs not yet implemented:
+
+* Rails SDK: Workbench uses an ActiveRecord-like interface to Arvados. This hasn't yet been extracted from Workbench and packaged as a gem.
+* R: We plan to support this, but it has not been implemented yet.