The work in org.xbib.event.async is based upon io.vertx.core in https://github.com/eclipse-vertx/vert.x branched as of 26 Apr 2023. /* * Copyright (c) 2011-2019 Contributors to the Eclipse Foundation * * This program and the accompanying materials are made available under the * terms of the Eclipse Public License 2.0 which is available at * http://www.eclipse.org/legal/epl-2.0, or the Apache License, Version 2.0 * which is available at https://www.apache.org/licenses/LICENSE-2.0. * * SPDX-License-Identifier: EPL-2.0 OR Apache-2.0 */ The work in org.xbib.event, org.xbib.event.thread, org.xbib.event.loop, org.xbib.event.util is based on netty https://github.com/netty/netty/ branch 4.1 as of 26 Apr 2023. Licence: Apache 2.0 The work in org.xbib.event.io is based upon the work in https://github.com/javasync/RxIo and org.xbib.event.yield is based upon the work in https://github.com/tinyield/jayield by Fernando Miguel Gamboa de Carvalho (fmcarvalho) branched as of 23 December, 2021 License: Apache 2.0 The work in org.xbib.event.bus is taken from Guava https://github.com/google/guava as of 27 August, 2022 License: Apache 2.0