Yes, mainly regional actors such as Qatar, Saudi Arabia, and Turkey, which have provided varying degrees of support, including weapons and funds to different rebel factions. The United States has provided a limited amount of weaponry to vetted rebel groups, most notably TOW anti-tank missiles, which are being employed against the Syrian Army in a Russia-supported offensive in the northern Hama Province.
The CIA reportedly has run a covert program in Turkey and Jordan to train and arm moderate rebel forces against the Assad regime. The US lately has shelved a more ambitious three-year train-and-equip program to produce 5,000 fighters a year to battle the Islamic State (IS).
