Use Synergy on Mac

cd ~/Downloads
curl -C - -O http://synergy.googlecode.com/files/synergy-1.4.5-MacOSX107-x86_64.dmg
open synergy-1.4.5-MacOSX107-x86_64.dmg
cd /Volumes/Synergy/
cp -r Synergy.app /Applications/

synergys -f --config ~/synergy.conf

# sample synergy configuration file
#
# comments begin with the # character and continue to the end of line.
# comments may appear anywhere the syntax permits.

section: screens
    seagull:
    lion:
end

section: links
    seagull:
            right = lion

    lion:
            left  = seagull

end

section: aliases
end

synergyc -f --name seagull 192.168.seagull.ip