CCFOLIA is a free online virtual tabletop tool for TTRPGs
Not only TTRPGs, but also board games, riddles, murder mystery games, and many other games are played.
It can be played with anyone anywhere with a computer or smartphone because it is available on a web browser.
In CCFOLIA, you can create a room for each game you want to play. Only the users you invite can enter the rooms you create.
There are dice-roll commands in chat for various games. The dice rolls on the board enhance the session.
You can freely create your own board. Use images to create cards and pieces, or use backgrounds and background music to liven up your sessions.
Games sold in the store can be played immediately by simply creating a room; you can play a variety of games as well as TTRPGs.