After more than 20 years of proprietary licensing, Webots has become free open source software, released under the terms of the Apache 2.0 license.
Webots is a well known robot simulator that has been continuously developed, documented, tested and used over the past 22 years. Becoming 100% free open source software, Webots is expected to be more widely adopted by the robotics research community. This will translate into more projects and more contributions: robot models, objects, environments, interfaces, controller example, tutorials, lectures, bug fixes, new features, etc.