You can download a 14-day free trial of SAM Broadcaster PRO to test its full capabilities, including the advanced 5-band audio processor.
If you subscribe to their cloud service (not free), they provide a free standalone "SAM Live-DJ" software for remote DJs to connect. Sams broadcaster free
(Open Source) This is probably the best truly free alternative. It features four decks, powerful DJ mixing, and it can stream to Icecast/SHOUTcast. You can download a 14-day free trial of
(Free) A powerful, free, and open-source automation software that works great for 24/7 stations. powerful DJ mixing