Flock software version 0.9.1.1 is a web browser that integrates with various social media platforms. It offers a sidebar that allows users to access their social media feeds and notifications without leaving the browser. Additionally, Flock supports group messaging and collaboration, allowing users to share and comment on web pages in real-time with their teammates. Finally, Flock offers a built-in to-do list and reminder feature for users to keep track of their tasks and deadlines.