http://spywarcbzke2e6skl7wjwtmmnrkslue24cld6kfcufjhhwxtceogmuad.onion/articles/sphere.html
However, it has two red flags- the default homepage has analytics, and you have to run
analytics on your browser to download it. The software is fine. Just the settings and the way you have to
download it and the lack of source code hold it back from the title of "Not Spyware".