I was able to install the Saucy (13.10) version by clicking the amd64 link on this page: http://packages.ubuntu.com/saucy/synapse and it works very nicely for me on Trusty (14.04).
I was able to install the Saucy (13.10) version by clicking the amd64 link on this page: http:// packages. ubuntu. com/saucy/ synapse and it works very nicely for me on Trusty (14.04).