Synology High Availability
https://www.synology.com/th-th/knowledgebase/DSM/help/HighAvailability/HAManager_desc
Synology Directory Server
https://www.synology.com/th-th/knowledgebase/DSM/help/DirectoryServerForWindowsDomain/synologydirectoryserver_desc
Synology Chat Server
https://www.synology.com/th-th/knowledgebase/DSM/help/Chat/chat_desc
Synology Calendar
https://www.synology.com/th-th/knowledgebase/DSM/help/Calendar/calendar_desc
Storage Analyzer
https://www.synology.com/th-th/knowledgebase/DSM/help/StorageAnalyzer/StorageAnalyzer_desc
SSO Server
https://www.synology.com/th-th/knowledgebase/DSM/help/SSOServer/sso_server_desc
Snapshot Replication
https://www.synology.com/th-th/knowledgebase/DSM/help/SnapshotReplication/data_protection_mgr
Radius Server
https://www.synology.com/th-th/knowledgebase/DSM/help/RadiusServer/rad_desc
Proxy Server
https://www.synology.com/th-th/knowledgebase/DSM/help/ProxyServer/proxy_server_desc
Presto File Server
https://www.synology.com/th-th/knowledgebase/DSM/help/PrestoServer/prestoserver