From vst4free.com, you can download all the necessary Guitar plugins, but there are few you have to search for in regular which are not listed anywhere. The arsenal needs to be as well with other plugins from AcmeBar as well are great distortion plugins that many should perhaps look after.
But we as well recommend Freeamp 2.5 and 3. For your guitar from Fretted Synth downloads at:
They have a big range of plugins:
You are my inspiration, I possess few skills, but surely this would ease my production.