Red Hat
Red Hat is the world’s leading provider of enterprise open source solutions, using a community-powered approach to deliver high-performing Linux, cloud, container, and Kubernetes technologies. With Red Hat you canstandardize your approach across environments, develop cloud-native applications, and integrate, automate, secure, and manage complex environments with award-winning support, training, and consulting services.

SUSE
Founded in 1992, SUSE is the world’s first provider of an Enterprise Linux distribution.
Today, thousands of businesses worldwide rely on SUSE for their mission-critical computing and IT management needs. They provide products and solutions for the Hybrid cloud IT, SAP solutions, cloud-native transformation and IT operation at the edge for automotive, telecom, banking, financial services, healthcare, manufacturing, retail, tech and federal industries.

EnterpriseDB

PostgreSQL is increasingly the database of choice for organizations looking to boost innovation and accelerate business. EDB’s enterprise-class software extends PostgreSQL, helping the customers get the most out of it both on premises and in the cloud, to control risk, manage costs, and scale efficiently. With 16 offices worldwide, EDB serves over 5,000 customers, including leading financial services, government, media and communications, and information technology organizations.

Zimbra

Zimbra is a full white-label communications suite for service providers, enterprises, governments and small businesses serves as a great foundation for cross-device collaboration with email, calendars, contacts, file storage and sharing, chat and video conferencing. It is secure and scalable, with real-time backup, hierarchical storage management and SMIME encryption, customizable and extensible. It can be deployed as a fully hosted and managed collaboration solution for telcos and service providers.