Mattermost is a free and open-source platform designed for secure collaboration throughout the entire software development lifecycle. This iPhone application allows teams to keep all of their communications in one place, making it easier to orchestrate work across different tools and teams. With Mattermost, you can efficiently plan projects, set milestones, and unite your entire technology stack through a single point of collaboration.

One of the standout features of Mattermost is its ability to meet the strictest security, privacy, and compliance requirements. This ensures that your team's sensitive information and discussions remain secure. To use the app, you'll need a URL for a Mattermost server, which you can deploy on your own using the provided guide.

Mattermost is a powerful tool for businesses and productivity, allowing teams to collaborate effectively and securely throughout the software development process. It offers a centralized platform for communication and project management, making it an essential tool for modern software development teams.