Twin directories of standalone_projects:

[DIR]  ftp://ftp.samba.org/pub/unpacked/standalone_projects/
[DIR]  ftp://ftp.si.kernel.org/mirrors/samba/ftp/unpacked/standalone_projects/
[DIR]  ftp://us6.samba.org/pub/unpacked/standalone_projects/
[DIR]  ftp://fi.samba.org/pub/unpacked/standalone_projects/