| Version | Type | Date |
|---|---|---|
| 2.2.7.Final | release | Sep 2015 |
| 2.2.6.Final | release | Aug 2015 |
| 2.2.5.Final | release | May 2015 |
| 2.2.4.Final | release | Jan 2015 |
| 2.2.3.Final | release | Jan 2015 |
| 2.2.2.Final | release | Oct 2014 |
| 2.2.1.Final | release | Jul 2014 |
| 2.2.0.Final | release | Apr 2014 |
| 2.1.9.Final | release | Jan 2014 |
| 2.1.8.Final | release | Nov 2013 |
| 2.1.7.Final | release | Oct 2013 |
| 2.1.6.Final | release | Jun 2013 |
| 2.1.5.Final | release | May 2013 |
| 2.1.4.Final | release | Feb 2013 |
| 2.1.3.Final | release | Sep 2012 |
| 2.1.2.Final | release | Sep 2012 |
| 2.1.1.Final | release | Aug 2012 |
| 2.1.0.Final | release | Aug 2012 |
| 2.1.0.drools16 | release | May 2012 |
| 2.1.0.drools15 | release | May 2012 |
| 2.1.0.drools14 | release | Apr 2012 |
| 2.1.0.drools13 | release | Apr 2012 |
| 2.1.0.drools12 | release | Apr 2012 |
| 2.1.0.drools11 | release | Apr 2012 |
| 2.1.0.drools10 | release | Mar 2012 |
| 2.1.0.drools9 | release | Mar 2012 |
| 2.1.0.drools8 | release | Feb 2012 |
| 2.1.Beta8 | beta | Feb 2012 |
| 2.1.0.drools7 | release | Jan 2012 |
| 2.1.0.drools6 | release | Dec 2011 |
| 2.1.0.drools5 | release | Dec 2011 |
| 2.1.Beta7 | beta | Nov 2011 |
| 2.1.0.drools4 | release | Oct 2011 |
| 2.1.0.drools3 | release | Oct 2011 |
| 2.1.Beta6 | beta | Aug 2011 |
| 2.1.Beta5 | beta | Jun 2011 |
| 2.1.0.drools2 | release | Jun 2011 |
| 2.1.Beta4 | beta | Jun 2011 |
| 2.1.0.drools1 | release | Jun 2011 |
| 2.1.Beta3 | beta | May 2011 |
| 2.1.beta2 | beta | Apr 2011 |
| 2.1.Beta2 | beta | Mar 2011 |
| 2.1.beta1 | beta | Feb 2011 |
| 2.1.RC1 | candidate | Feb 2011 |
| 2.0.19 | release | Nov 2010 |
| 2.0.18-RC5 | candidate | Aug 2010 |
| 2.0.18-RC4 | candidate | Aug 2010 |
| 2.0.18-RC3 | candidate | Aug 2010 |
| 2.0.18-RC2 | candidate | Aug 2010 |
| 2.0.18-RC1 | candidate | Aug 2010 |
| 2.0.18 | release | May 2010 |
| 2.0.17 | release | Mar 2010 |
| 2.0.16 | release | Feb 2010 |
| 2.0.15 | release | Dec 2009 |
| 2.0.14 | release | Oct 2009 |
| 2.0.13 | release | Aug 2009 |
| 2.0.12 | release | Jul 2009 |
| 2.0.11 | release | Jun 2009 |
| 2.0.10 | release | May 2009 |
| 2.0.9 | release | May 2009 |
| 2.0.9pre2 | release | Apr 2009 |
| 2.0.9pre1 | release | Apr 2009 |
| 2.0.8 | release | Apr 2009 |
| 2.0.8pre1 | release | Mar 2009 |
| 2.0.7 | release | Mar 2009 |
| 2.0.6 | release | Jan 2009 |
| 2.0.5 | release | Nov 2008 |
| 2.0.4 | release | Nov 2008 |
| 2.0.3 | release | Nov 2008 |
| 2.0.2 | release | Nov 2008 |
| 2.0.1 | release | Nov 2008 |
| 2.0 | release | Oct 2008 |
| 2.0RC3 | candidate | Oct 2008 |
| 2.0RC2 | candidate | Oct 2008 |
| 2.0RC1 | candidate | Oct 2008 |