- Alexander Raschke, Elvinia Riccobene, Klaus-Dieter Schewe, editors, Logic, Computation and Rigorous Methods - Essays Dedicated to Egon Börger on the Occasion of His 75th Birthday. Volume 12750 of Lecture Notes in Computer Science, Springer, 2021.
- Ezio Bartocci, Yliès Falcone, Martin Leucker, editors, Formal Methods in Outer Space - Essays Dedicated to Klaus Havelund on the Occasion of His 65th Birthday. Volume 13065 of Lecture Notes in Computer Science, Springer, 2021.
- Jian-Jia Chen, editor, A Journey of Embedded and Cyber-Physical Systems - Essays Dedicated to Peter Marwedel on the Occasion of His 70th Birthday. Springer, 2021.
- Ernst-Rüdiger Olderog, Bernhard Steffen, Wang Yi 0001, editors, Model Checking, Synthesis, and Learning - Essays Dedicated to Bengt Jonsson on The Occasion of His 60th Birthday. Volume 13030 of Lecture Notes in Computer Science, Springer, 2021.
- Marco Aiello 0001, Athman Bouguettaya, Damian Andrew Tamburri, Willem-Jan van den Heuvel, editors, Next-Gen Digital Services. A Retrospective and Roadmap for Service Computing of the Future - Essays Dedicated to Michael Papazoglou on the Occasion of His 65th Birthday and His Retirement. Volume 12521 of Lecture Notes in Computer Science, Springer, 2021.
- Daniel Dougherty, José Meseguer, Sebastian Alexander Mödersheim, Paul Rowe, editors, Protocols, Strands, and Logic - Essays Dedicated to Joshua Guttman on the Occasion of his 66.66th Birthday. Volume 13066 of Lecture Notes in Computer Science, Springer, 2021.