ConceptCool: Multiplayer AI App Builder with Railway Backend
philhchen · x · 2026-09-01
ConceptCool is a new multiplayer app-building tool built on Railway. It allows teammates to edit prompts live to generate scalable software with real queues, containers, and background jobs. The author claims it is superior for shipping internal tools quickly compared to existing solutions.
Related event: ConceptCool: Collaborative Prompt-Based App Builder(2 posts)→
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