Mastodon, a decentralized social networking platform built on open-source software, represents an alternative digital media space that challenges the dominance of corporate social media networks. Unlike centralized platforms controlled by a single company, Mastodon operates through independently managed servers known as “instances,” allowing users to create communities with their own moderation policies and cultural norms. This decentralized structure supports digital media literacy by encouraging users to critically engage with information, understand platform governance, and participate actively in shaping online communication. Through its design and community practices, Mastodon provides a fertile environment for alternative voices that often struggle to find space in algorithm-driven mainstream platforms. Digital media supports alternative voices on Mastodon primarily through accessible content creation tools that enable users to share text posts, images, audio, and links without the constraints of strict commercial monetization systems. Artists, activists, journalists, marginalized communities, and independent thinkers can publish their perspectives without needing approval from centralized gatekeepers. The chronological timeline and customizable feeds reduce the dominance of algorithmic amplification, giving smaller creators a more equitable chance to be heard. Because users can join niche communities based on shared interests or identities, discussions that may be sidelined elsewhere—such as local