JCrete® has been cloned to various places around the world:

• AgileCrete, an Open Space UNconference that connects agile software development professionals from all over the world
• JAlba, an open spaces conference in Edinburgh
• JChateau, an unconference organized in France by the Paris Java User Group in the iconic area of the Châteaux of the Loire Valley, designated as a World Heritage Site by UNSECO in 2000.
• JIbiza, another Open Spaces (un)conference, organized in Ibiza.
• JManc, a Java unconference in Manchester, UK.
• JOnsen, a Java unconference at a Japanese onsen.
• JSpirit, Spirits, Ski & Java in Bavaria.
• JWild, an Open Spaces Conference in Wilderness, South Africa.
• LavaOne, a Java unconference in Hawaii.
• Oracle Code One also ran an unconference in 2019!