What are some alternatives?
When comparing Slack Gitsin and Missions, you can also consider the following products
PullReminders - Review and release pull requests faster with Slack reminders and metrics.
Wey - Fast open source Slack desktop app
emacs-slack - slack client for emacs. Contribute to yuya373/emacs-slack development by creating an account on GitHub.
Workflow - Powerful automation made simple.
Marvel - Turn sketches, mockups and designs into web, iPhone, iOS, Android and Apple Watch app prototypes.
OneBar - AI-powered Q&A knowledge base for Slack teams