- RedHat
- Red Hat Certification
- Red Hat Linux
- RHCE Certification
- RHCSA
- RHCA
- Red Hat Certified Specialist in Cloud Infrastructure
- Red Hat Certified Specialist in Containers
- Red Hat Certified Specialist in Cloud-native Integration
- Red Hat Certified Specialist in ROSA
- Red Hat Certified Specialist in Enterprise Application Server Administration
- Red Hat Certified Specialist in Ceph Cloud Storage
- Red Hat Certified Specialist in OpenShift AI
- Red Hat Certified OpenShift Administrator
- Red Hat Certified OpenShift Application Developer
- Red Hat Certified Specialist in OpenShift Virtualization
- Red Hat Certified Specialist in Building Resilient Microservices
- Red Hat Certified Specialist in Services Management and Automation
- Red Hat Certified Specialist in OpenShift Data Foundation
- Red Hat Certified Specialist in Developing Automation with Ansible Automation Platform
- Red Hat Certified Cloud-native Developer
- Red Hat Certified Specialist in OpenShift Automation and Integration
- Red Hat Certified Specialist in Deployment and Systems Management
- Red Hat Certified Specialist in Security: Linux
- Red Hat Certified Specialist in Microsoft Windows Automation with Ansible
- Red Hat Certified Specialist in High Availability Clustering
- Red Hat Certified Specialist in Linux Performance Tuning
- Red Hat Certified Specialist in Ansible Network Automation
- Red Hat Certified Specialist in MultiCluster Management
- Riverbed
- Riverbed Certified
- RCSA-V
- RCSP-NPM
- Riverbed RCSP
- RCSA-W
- RCSA-SD
- RCSP-APM
- RCSP-SD
- RCPE-CP-WO
- RCPE Network Performance Management (NPM)
- RES Software
- Riverstone
- RSA
- Ruby
- Ruijie
- RUCKUS