The open source projects that ship with Synology NAS.
Sync Outlook with Google, SOGo or any other CalDAV / CardDAV server
Storage, SAN, LAN Performance Monitoring: IBM,NetApp,Hitachi,HPE,EMC
Bringing intranet on the internet with Zero-Config Mesh VPNS.
REST interface and configuration GUI for Nagios
Open Source for Internet of Things
Synology DSM installable package for Baïkal CalDAV & CardDAV server
Single script to create NAS out of you Raspberry Pi
Synology package to hibernate while running Mail Station & Server
Synology NAS Extensions
Bluetooth modules for the Synology DS kernel