The gui really needs its own theming if you use it a lot, and the header file that is supposed to be the stable api is... Limited. Thankfully the unstable stuff hasn't been changed in years so ¯\_(ツ)_/¯.
https://patchstorage.com/ has been making a pretty heroic effort at being a searchable hub for, pure data in the beginning, but now many.
Puredata.info was the historic one right? Even though I remember using sourceforge a lot. Some interesting things there, but I don't think people post patches or even plugins on the main site much anymore. On the sourceforge note, plenty in GitHub too. Sometimes, /r/puredata
https://patchstorage.com/ has been making a pretty heroic effort at being a searchable hub for, pure data in the beginning, but now many.
The forum is the most active for posting patches, but is terrible at indexing. https://forum.pdpatchrepo.info/category/2/patch
Puredata.info was the historic one right? Even though I remember using sourceforge a lot. Some interesting things there, but I don't think people post patches or even plugins on the main site much anymore. On the sourceforge note, plenty in GitHub too. Sometimes, /r/puredata