Absolutely - specifically Nurl does:

For GMs

• allow you to create and manage multiple game groups
• allow you to take private notes with TTRPG enhanced features that you can't get in Notion/Google/etc.
• allow you to have a chat thread with your group
• allow you to create and manage combat encounters
• allow you to create/manage NPCs
• help you plan for your session
• help support you during a session so you can focus on telling the story

For Players

• allow you to join multiple groups that play different games
• allow you to create/manage your characters
• allow you to take public notes with TTRPG enhance features (same as above except everyone in the group can see and contribute)
• allow you to chat with your group
• allow you to have a simplified and easy to use battle experience
• help you become "fluent" in the game you are playing faster

For Publishers

• allow you to have your own private database to manage your games/rules easily
• allow you to see analytics (high level) on who is playing your game system