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.
FastMail - Email, calendars, and contacts to highest standards of security, privacy and reliability.
TigerFlow - Getting our start in 1985 by taking on the custom projects that no other company could complete, TIGERFLOW Systems, LLC has provided custom engineered systems with single source responsibility for decades.
Zoho Mail - Zoho Mail is a secure, encrypted, and enterprise-ready email solution, a suite of apps tailor-made for your organization's needs.
Redox - Redox provides an EHR integration platform for digital health solutions.
QQ Mail - QQ Mail is an enterprise email solution from Tencent.