[ARRAST_VJ] is a free software for audiovisual creation that enables real time manipulation of videoclips (with sound), images and cameras, and also the creation of interactive compositions, which may be stored, reproduced and exported. It includes an effects input module, mixing resources (MIX mode) and 2D mapping (MAP mode), besides an OSC communication interface able to articulate with other software and hardware, everything in an open source platform. It is developed with Pure Data and compatible with major operating systems.