Flux Player was a VRML/X3D viewer that worked both as plugin in Internet Explorer, and as standalone program in Windows.
Flux Studio was a VRML/X3D editor that worked in Windows.
[1] Flux software was developed by Tony Parisi, who coworked with Mark Pesce on the development of the experimental VRML prototype called Labyrinth.
Flux Studio could successfully import and export *.WRL, *.X3DV and *.X3D files.
[4] However, on April 16, 2010, Vivaty shut down[5][6] and was subsequently acquired by Microsoft.