SFMLab.com
If you need all the best SFM models, maps and assets then SFMLab is the place to go! Everything is hosted free and run by one guy.
If you feel like supporting the many additional global download servers and ever improving delivery of the greatest Source Filmmaker assets then consider pledging on Patreon to SFMLab.
Be sure to like and reblog this post if you’ve ever used the site as a way of giving back to Ganon’s hard work!