Online tools can support collective action among communities by facilitating communication, organizing events, and raising awareness. Social media platforms, collaboration software, and crowdfunding sites enable individuals to come together and mobilize for social causes. These tools provide a platform for sharing resources, information, and strategies, fostering unity and cooperative efforts. Additionally, they allow for the amplification of voices, helping marginalized communities gain visibility and support. By harnessing technology, communities can more effectively advocate for change and mobilize resources, ultimately leading to heightened impact and engagement.