I built WAFlow to prototype WhatsApp-style chatbots locally with plain webhooks. Repo: https://github.com/leandrobon/WaFlow Docker up → chat in browser → simulator posts a webhook to your bot → bot replies via API → export/import transcripts. Stack: .NET 8 + Blazor. MVP: Polling UI, single user, text-only. Would love feedback on what’s missing for your workflow.