Event management there are three platforms are very web3 native.
What does that exactly mean you may be asking. Being web3 native means that all of these platforms can integrate with wallets for token gated events and unlocking further blockchain functionality. You could use a standard web2 wallet, but native web3 tool helps you unlock the full capability of all the work you’ve done with your media types and you move to become an Onchain Creator
The first one is Events.xyz, this one is very Farcaster specific.
Another tool that exists is the unlock-protocol. This has been used at many conferences.
Lastly, you have Lu.ma. Which is used by many communities, web2 and web3.
Luma · Delightful Events Start Here
I highly suggest you check each out as they all have varying degreen of onchain functionality and some may fit your needs more than others.