DSM
File Sharing & Syncing
Cloud Sync
Sync data between NAS and public clouds
Hybrid Share
Multi-site file sharing and syncing
WebDAV Server
Edit and manage files on a remote server
Presto File Server
High-speed data transfer
Synology Drive
Share, sync, and collaborate on data
Universal Viewer
Preview files of various formats
Data Backup
Productivity
Synology MailPlus
Mail server and web client
Synology Note Station
Personal note management
Synology Calendar
Plan and share events
Synology Chat
Office instant messanger
Synology Contacts
Manage contacts and address books
Synology Office
Collaborate on Documents, Spreadsheet, and Slides
Web Station
Website hosting
Multimedia
Advanced Media Extensions
View multimedia files that require certain codecs
Audio Station
Manage, stream, and share your music
iTunes Server
Browse and play music stored on Synology NAS with iTunes
Media Server
Stream multimedia contents to DLNA-compliant devices
Synology Photos
Manage, share, and back up your photos
Video Station
Manage, stream, and share your videos