Wallabag server (web pages collector)
Syncthing at oyasumi.yokohama:8384
Mumble server (Voice chatting) at oyasumi.yokohama:64738
Syncplay server (Video sync and chat) at oyasumi.yokohama:8999
okay nerd, you like math huh?
Mathematical Analysis I -> https://books.oyasumi.yokohama/#book_id=63&library_id=library&panel=book_details