If you are on Facebook, I have created an group for SLPs to share files they have created. You can promote something you have made on http://www.teacherpayteacher.com or just share a self-made data tracking sheet for free. Please make sure that you don’t violate any copyright laws when sharing.
There are some excellent resources on Facebook for SLPs. One of the best is SLPeeps. Check out their files tab for some great lists.