Presumably by F5 from original Russian developers. But they forked it into freenginx and angie and this module specifically mentions angie. So they "stole" it b

Presumably by F5 from original Russian developers. But they forked it into freenginx and angie and this module specifically mentions angie. So they "stole" it back and continue developing it. Edit: there's already a sibling post with a link with way more info