Citizens 2.0.27 (1.16 EARLY ALPHA)

Citizens2 is already free, it's premium on spigot but it's available for free as explained on their main page.

"This is posted as a premium resource to motivate the continued development of the plugin. If you would not like to contribute to development you are welcome to download the same versions for free here(https://ci.citizensnpcs.co/job/Citizens2/) but please read 'Why premium?' below for more information."

Citizens2 is open source also.

edit: the spigot page:https://www.spigotmc.org/resources/citizens.13811/