Cohort
A private shared archive for groups that think together
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Cohort - A private shared archive for groups that think together

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Group chats are great for conversation and terrible for memory. Cohort gives groups a private, shared archive for the links, ideas, research, memes, and discoveries worth keeping. Search everything later, vote, react, comment, and export the best of your collection as clean prompt-ready context for ChatGPT, Claude, Gemini, or Grok. Built for friend groups, startup teams, study groups, research circles, and communities.

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Hey Product Hunt 👋 I built Cohort because I kept noticing the same problem: group chats are great for conversation, but terrible for remembering anything. Someone shares a great article, idea, tool, meme, or piece of research — and a few days later it’s buried under hundreds of messages. Cohort is my attempt to create a better home for that stuff: a private shared space where a group can save links and ideas, react and discuss, search everything later, and gradually build an archive together. One piece I’m especially excited about is what happens as that archive grows. Cohort can turn what your group has collected into structured, prompt-ready context you can bring into tools like ChatGPT, Claude, Gemini, or Grok. But I don’t want Cohort to feel like another AI tool or another noisy social network. The goal is something calmer: a shared memory for groups that think together. This is still early, and I’d genuinely love feedback — especially: What group in your life would you create a Cohort for? Thanks for checking it out!