Use the search function and look at the awesome-selfhosted list in subreddit sidebar.
Self-Hosted Main
A place to share alternatives to popular online services that can be self-hosted without giving up privacy or locking you into a service you don't control.
For Example
- Service: Dropbox - Alternative: Nextcloud
- Service: Google Reader - Alternative: Tiny Tiny RSS
- Service: Blogger - Alternative: WordPress
We welcome posts that include suggestions for good self-hosted alternatives to popular online services, how they are better, or how they give back control of your data. Also include hints and tips for less technical readers.
Useful Lists
- Awesome-Selfhosted List of Software
- Awesome-Sysadmin List of Software
Jellyfin,Plex or Emby
Look at using docker, one of the tool that would help you the most is Portainer
https://mariushosting.com/synology-30-second-portainer-install-using-task-scheduler-docker/
For media sharing : Plex and Jellyfin are the most used, there is Emby too. you can try and see wish one suits you the most.
And u/thekrautboy already mentioned : https://github.com/awesome-selfhosted/awesome-selfhosted
Photo/Video editing would be limited due to the cpu on the machine so be aware :)
Have fun !