phpADNSite
phpADNSite is an open source software that allows App.net to be used as a backend for a personal IndieWeb site (PESOS approach). It has been developed by User:Lukasrosenstock.net and is currently used on his personal website at http://lukasrosenstock.net/ .
Source code, documentation and issue list is available on GitHub: https://github.com/LukasRos/phpADNSite
A Docker container distribution is available: https://registry.hub.docker.com/u/lukasros/phpadnsite/