Are there any tools you recommend for DDD? Have you seen much justification for bitemporal or retroactive events, as in https://dddeurope.com/2018/speakers/thom

Are there any tools you recommend for DDD? Have you seen much justification for bitemporal or retroactive events, as in https://dddeurope.com/2018/speakers/thomas-pierrain/ https://dddeurope.com/2018/speakers/thomas-pierrain/ ?