Dear Colleagues, The NEST Initiative is excited to invite everyone interested in Neural Simulation Technology and the NEST Simulator to the NEST Conference 2021! The NEST Conference provides an opportunity for the NEST Community to meet, exchange success stories, swap advice, learn about current developments in and around NEST spiking network simulation and its application. This year's conference willagaintake place as a *virtual conference*on Monday/Tuesday *28**/**29 June **2021*followed by a virtual NESTUserHackathon until Friday 2 July, whichoffers the opportunity to deep-dive your own code with expert developers at your fingertips. For more information please visit the conference website _*https://nest-simulator.org/conference*_ <https://nest-simulator.org/conference> We are looking forward to seeing you all in June! Hans EkkehardPlesser, Dennis Terhorst & Anne Elfgen