Algebraic Effects and Recursive Equations.- Adequacy for Infinitary Algebraic Effects (Abstract).- Algebras for Parameterised Monads.- Kleene Monads: Handling Iteration in a Framework of Generic Effects.- Complete Iterativity for Algebras with Effects.- Semantics of Higher-Order Recursion Schemes.- Theory of Coalgebra.- Coalgebraic Components in a Many-Sorted Microcosm.- Complementation of Coalgebra Automata.- Characterising Behavioural Equivalence: Three Sides of One Coin.- Coinduction.- Let's See How Things Unfold: Reconciling the Infinite with the Intensional (Extended Abstract).- Circular Coinduction: A Proof Theoretical Foundation.- Bisimulation.- Approximating Labelled Markov Processes Again!.- Weak Bisimilarity Coalgebraically.- Coalgebraic Symbolic Semantics.- Relating Coalgebraic Notions of Bisimulation.- Traces, Executions and Schedulers, Coalgebraically.- Non-strongly Stable Orders Also Define Interesting Simulation Relations.- Stone Duality.- Stone Duality and the Recognisable Languages over an Algebra.- Free Heyting Algebras: Revisited.- Distributive Lattice-Structured Ontologies.- A Duality Theorem for Real C * Algebras.- Game Theory.- Conway Games, Coalgebraically.- A Semantical Approach to Equilibria and Rationality.- Graph Transformation.- Van Kampen Colimits as Bicolimits in Span.- Unfolding Grammars in Adhesive Categories.- Software Development Techniques.- Views on Behaviour Protocols and Their Semantic Foundation.- Correctness, Completeness and Termination of Pattern-Based Model-to-Model Transformation.- Constructor-Based Institutions.- CALCO Tools Workshop.- DBtk: A Toolkit for Directed Bigraphs.- Constraint-Muse: A Soft-Constraint Based System for Music Therapy.- CIRC: A Behavioral Verification Tool Based on Circular Coinduction.- The Priced-Timed Maude Tool.- A Tool Proving Well-Definedness of Streams Using Termination Tools.