#1 List of armed groups in the Syrian Civil War |May 2016

The Islamic State of Iraq and the Levant was formerly part of al-Qaeda in Iraq, but was disavowed by al-Qaeda General Command, which stated: “It is not affiliated with al-Qaeda and has no relationship with it… al-Qaeda is not responsible for ISIS’s actions.”
The United States alleges that Belarushas provided or attempted to provide direct military support to the Syrian government. Belarus denies this. There are also unconfirmed rumours that Algeria is providing military support to Syria.
The Christian militia Sutorois aligned with the YPG, while its offshoot Sootoro is aligned with the government.
The tribal Al-Sanadid Forcesmilitia is aligned with both the YPG and the regime.
There is regular conflict between various rebel groups. However, members of the People’s Protection Unitshave coordinated with the Free Syrian Army. In the Rebel–ISIS conflict, the Islamic State of Iraq and the Levant has been fighting the Free Syrian Army, the Syria Revolutionaries Front, the Army of Mujahedeen, the Islamic Front and the al-Nusra Front. Jund al-Aqsa has declared its neutrality in the conflict.Ghuraba al-Sham has clashed with the al-Nusra Front and the al-Tawhid Brigade.
Members of the Kurdistan Democratic Party of Syriaas well as the Kurdish Freedom Party have on occasion clashed with the People’s Protection Units, the armed wing of the Democratic Union Party.
The Kurdish National Councilhas joined the Syrian National Coalition—though without officially committing any military forces to the opposition—while simultaneously retaining its membership in the Kurdish Supreme Council alongside the PYD.
Jaish al-Muhajireen wal-Ansarwas subordinate to the Islamic State of Iraq and the Levant, but withdrew due to its oath of allegiance to the Caucasus Emirate leadership to become independent. It is now part of Jabhat al-Nusra.
Egyptchanged its position on this conflict from support for the opposition to neutrality after the 2013 Egyptian coup.
Jordanand the United Arab Emirates ended armament support for the opposition in 2014 due of concerns about radical Islamist presence among the opposition fighters.
Canadawithdrew jet fighters from the US-led coalition against ISIL on 15 February 2016.