| Jun 30, 2023 | Reactis V2023 Released | |
| Dec 23, 2022 | Reactis V2022.2 Released | |
| Jun 22, 2022 | Reactis V2022 Released | |
| Dec 23, 2021 | Reactis V2021.2 Released | |
| Nov 22, 2021 | Reactive Systems Obtains ISO 26262 Certification for Reactis | |
| Jul 09, 2021 | Reactis for Simulink V2021 and Reactis for C V2021 Released | |
| Dec 18, 2020 | Reactis V2020.2 and Reactis for C V2020 Released | |
| Jul 17, 2020 | Reactis V2020 Released | |
| Dec 20, 2019 | Reactive Systems 20-Year Anniversary. V2019.2 Released | |
| Jun 28, 2019 | Reactis V2019 Released | |
| Jun 14, 2019 | Reactis for C V2019 Released | |
| Dec 20, 2018 | Reactis V2018.2 Now Available | |
| Jun 27, 2018 | Reactis V2018 Released, Cleaveland to Head NSF Division | |
| Feb 09, 2018 | Reactis for C V2018 Released | |
| Dec 22, 2017 | Reactis V2017.2 Now Available | |
| Jul 07, 2017 | Reactis V2017 Now Available | |
| Dec 22, 2016 | Reactis V2016.2 Released | |
| Oct 21, 2016 | Reactis for C V2016 Released | |
| Jun 20, 2016 | Reactis V2016 Released | |
| Dec 18, 2015 | Reactis V2015.2 Released | |
| Nov 18, 2015 | Reactis for C V2015 Now Available | |
| Jun 30, 2015 | Reactis V2015 Released | |
| Dec 19, 2014 | Reactis V2014.2 Now Available | |
| Jun 25, 2014 | Reactis V2014 Now Available | |
| Apr 10, 2014 | Reactis for C V2014 Released | |
| Dec 17, 2013 | Reactis V2013.2 and Nissan User Story Released | |
| Aug 14, 2013 | Reactis V2013 Released | |
| Dec 19, 2012 | Reactis V2012.2 Now Available | |
| Nov 26, 2012 | Product Launch: Reactis Model Inspector | |
| Jun 14, 2012 | Reactis V2012 Released | |
| Dec 20, 2011 | Reactis V2011.2 Released | |
| Jun 23, 2011 | Reactis V2011 Released | |
| Mar 21, 2011 | Reactive Systems Announces New Product: Reactis for C | |
| Nov 19, 2010 | Reactis V2010.2 Released | |
| Feb 08, 2010 | Reactis V2010 Now Available | |
| Jul 23, 2009 | Reactis V2009.2 | |
| Jan 16, 2009 | Reactis V2009 | |
| Nov 26, 2008 | Reactive Systems Relocates Headquarters to Cary, North Carolina | |
| Aug 18, 2008 | Reactive Systems Announces Promotion of Sims to CEO | |
| Jun 10, 2008 | Reactis V2008 | |
| Apr 13, 2008 | See Reactis at SAE World Congress | |
| Oct 31, 2007 | Reactis for C Plugin, V2007, Japan Branch | |
| Nov 07, 2006 | Reactis V2006.2 | |
| Jan 25, 2006 | Reactis V2006 | |
| May 18, 2005 | Reactis V2005 | |
| Mar 22, 2005 | Fixed Point Support, Onsite Training | |
| Dec 17, 2004 | V2004.2, Nissan User Story | |
| Mar 03, 2004 | Reactis V2004, SAE World Congress | |
| Oct 17, 2003 | Reactis V2003.2 Released: Check Requirements with Validator | |
| Oct 01, 2003 | MC/DC Tracking, Ford User Story | |
| Jun 17, 2003 | Reactis V2003.1.1 | |
| Apr 01, 2003 | Reactis V2003.1 | |
| Feb 04, 2003 | Reactis V2003 | |
| Jan 22, 2003 | Reactis adds S-Function Support | |
| Nov 12, 2002 | Reactis V2003b1 | |
| Aug 26, 2002 | Reactis V2002.1 | |
| Jun 03, 2002 | Reactis Launched | |
| May 23, 2002 | Reactis Beta Available | |
| Apr 11, 2002 | Inaugural Issue | |