murse's repository is going to be moving to the ~webb user on SourceHut. 
You can find new links to them below.

https://git.sr.ht/~webb/murse
https://lists.sr.ht/~webb/murse
https://lists.sr.ht/~webb/murse-lowfreq

The links on spiderden.net will be updated shortly. Future release 
binaries will be on the new repository.