GeoGebra 4.0 release candidate and GeoGebra 4.2 Beta
The GeoGebra 4.0 Release Candidate is now online. Here is the announcement of the GeoGebra Team about it.
According to the team, the GeoGebra 4.0 offline installers will be released in a few weeks. You can also now explore the new GeoGebra 4.2 Beta.