Indivisible is a progressive political advocacy organization that was founded in 2016 by a group of former congressional staffers. The organization's mission is to resist the Trump administration's agenda and promote progressive policies at the local, state, and national levels. Indivisible provides resources and tools to help individuals and groups organize and advocate for change. The organization has over 6,000 groups across the United States and has played a key role in several political campaigns and movements.