Slackin - Create your own public Slack chat community
Trillian - Trillian is a decentralized and federated instant messaging platform that lets your whole company send private and group messages, keep tabs on what co-workers are doing, share files, and much more.
Hamster Pad - A social network built on top of Slack
TigerText Essentials - Empower care teams to communicate efficiently with TigerText Essentials, a secure, HIPAA-compliant communications and messaging solution. Communicate securely from your smartphone or desktop!
Mio - Powering seamless communication between workplace chat apps.
Redox - Redox provides an EHR integration platform for digital health solutions.