GitLab is the first single application for the entire software development lifecycle -- from project planning and source code management to CI/CD, monitoring, and security.
It turns out that Slack is excellent for informal communication. Create public channels based on topics (mental health, parenting, travel, fitness, music, gaming, pets, hobbies, etc.) and regions (to encourage remote team members who happen to live in the same area to establish in-person interactions).
GitLab Contribute (company summit)
Don't talk about what you did yesterday, this is not a reporting moment where everyone tries to look busy. Rather, kickstart the day with some bonding, solve anything blocking and share future plans so people can plan and act and ultimately save time.