There's a 32bit VST on sourceforge unfortunately I need to recompile it in 64bit for it to work with my DAW. The SVN repository is not available anymore but the source code is visible from sourceforge, is there any way to download all the files ?
Here is the link: https://sourceforge.net/p/ms812proxy/code/HEAD/tree/
This statement looks incorrect. The link you've shared belongs to an online SVN viewer so data is definitively there and there doesn't seem to be any problem with remote access, as you can verify with any client software:
It any case, it's clear that they are either hosting the project development elsewhere or not using version control at all because: