Tusky is a lightweight client for Mastodon, a free and open-source social network server.

• Material Design
• Most Mastodon APIs implemented
• Multi-Account support
• Dark and light theme with the possibility to auto-switch based on the time of day
• Drafts - compose toots and save them for later
• Choose between different emoji styles 
• Optimized for all screen sizes
• Completely open-source - no non-free dependencies like Google services

To learn more about Mastodon, visit https://joinmastodon.org/
