Yes. If you have access to a server with PHP, you should be able to run it yourself. We have a simple PHP file you can download to test the compatibility of your server.[0]

We sell the self-hosted version[1] and have a blog post with some instructions if you want to run it on a VPS[2].

[0] Zip file with PHP file inside: https://createfeed.fivefilters.org/fc_compatibility_test.zip

[1] https://www.fivefilters.org/pricing/

[2] https://blog.fivefilters.org/2020/06/04/feed-creator-2.html