More about Chimera
The latest version of Chimera v2.3 and the size of this installer is 1.5 MB. This is a free program by University of California at San Francisco and you're welcome to use it. Belonging to the Multimedia category, namely Other Tools, makes it popular among such programs. For this program, the most popular among users setup file name is chimera.exe. The antivirus analysis of the download link proved it to be clean.