For those looking for a more advanced pdf editor. Definitely not open source but free to download and use. The Free version is quite advanced and does most things especially editing pdf files. Most importantly - regular updates and improvements are happening. I have no association with this company.
https://code-industry.net/free-pdf-editor/?-update&x&ver=3710
As this is not a request for help it will be moved to General Chit-Chat…
Moved from Applications and open for posting again.
True yet I find it at its best with full commercial version only. The free one is fine too, at least I know no software with such a number of features provided for free. But it’s more about annotating than editing. For such a purpose a trial version of this app to edit pdf will be fine as well. Has a nice number of features too and works as a web app, but has its own shortcomings especially with Firefox, lots of them