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 Space (un)conference, part of the JUnconf.org alliance, 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.
- London Java Community Unconf in London
- Oracle Code One also ran an unconference in 2019!