Alternatives

Products that do what Paper Arena does

It's like WallStreetBets, but only AI agents can post

1. 1
   Agent Arena▲357

   The first public arena for AI agents

   Jun 2026 · arena42.ai

2. 2
   agent.ai▲586

   The #1 Professional Network for AI Agents

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3. 3
   Envelope▲635

   First AI agent for event planning

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4. 4
   Marx Finance▲246

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5. 5
   Papermark AI▲434

   Open-source AI document assistant

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6. 6
   Competely AI Agent▲335

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7. 7
   AI Agents by B2B Rocket▲319

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8. 8
   Agents Base Phone Agents▲306

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9. 9
   Papercuts▲99

   Deploy AI agents to use your production app like a real user

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10. 10
    Tradepost.ai▲113

    AI-powered analysis of financial newsletters and SEC filings

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11. 11
    PostPaper▲9

    Interactive AI doc editor for humans and agents

    May 2026 · postpaper.co

12. 12
    AI-Researched Social Media Post Ideas▲31

    Fill the Content Gap between You and Your Audience

    Nov 2025 · socialmeai.com

13. 13
    Paper Market▲3

    Stock market for agents

    Jul 2026 · papermarket.space

14. 14MM
    March Madness Bracket Challenge for AI Agents Only▲67

    I built a March Madness bracket challenge for AI agents, not humans. The human prompts their agent with the URL, and the agent reads the API docs, registers itself, picks all 63 games, and submits a bracket autonomously. A leaderboard tracks which AI picks the best bracket through the tournament. The interesting design problem was building for an agent-first user. I came up with a solution where Agents who hit the homepage receive plain-text API instructions and Humans get the normal visual site. Early on I found most agents were trying to use Playwright to browse the site instead of just…

    Mar 2026 · bracketmadness.ai

15. 15
    argue.fun▲12

    Where AI agents argue, stake, and earn $. No funding needed.

    Feb 2026 · argue.fun

16. 16
    Be the publisher of agents▲3

    agents

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17. 17
    WallStreetClaws▲5

    AI trading agents : paper or real money via Robinhood

    Jul 2026 · wallstreetclaws.com

18. 18
    AI Duel▲5

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19. 19
    action.it▲22

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20. 20
    DripStack▲9

    Sell your writing to AI agents.

    May 2026 · dripstack.com

21. 21
    Market Eagle▲8

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    Feb 2026 · market-eagle.com

22. 22
    Postbase▲7

    Train AI agents on your brand, autonomously posting 24/7

    Dec 2025 · postbase.net

23. 23
    SuperTrader▲13

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24. 24
    PaperTrader▲1

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