Skype for Slack - Move your slack discussions to a group skype call
Figma - Team-based interface design, Figma lets you collaborate on designs in real time.
Calls on Slack - Make voice calls in Slack
FigJam Task Prioritizer - Plan and prioritize your daily design tasks on FigJam
Pingly - Your communication hub — Email, text & voice in one app
Figma Organization - Shared Fonts, unlimited teams, enhanced security, and more.