Alternatives

Products that do what Argument Encyclopedia: User-Posted Claims and Rebuttals does

When I see online debates it soon becomes difficult to keep track of the various branches of claims and counter-claims. Here's my simple attempt to do so. A user can make claims (within a subject area) and anyone can make rebuttals to any of the claims.

1. 1
   Collective Debate▲82

   Have a debate with an AI.

   2018

2. 2
   Tabstack Web Research▲168

   Run a research agent with cited answers in a single API call

   Jun 2026 · tabstack.ai

3. 3
   Marvel User Testing▲207

   Record what users do with your designs and sketches. Free!

   2015

4. 4
   Twitter ArguMeter▲85

   Check how much a Twitter user likes to argue

   2019

5. 5
   GoodUI Evidence▲300

   People's A/B test results that show which UI ideas work best

   2015

6. 6
   User Interviews + Lookback▲149

   Target any audience & record their feedback

   2017

7. 7
   Discourse▲287

   A platform for community discussion. Free, open and simple.

   2015

8. 8
   Rebuttal Live▲2

   ARGUE. DEBATE. RANK UP.

   May 2026

9. 9
   Opentest▲249

   Usability testing, with product experts.

   2016

10. 10
    App vs. Website▲209

    Should you build an app or a website? Find out in less than…

    2015

11. 11
    Debate▲3

    A social platform for free & structured debates

    Jul 2026 · debateee.com

12. 12
    Truth or Truth▲120

    Spark conversations, share stories, embrace anonymity

    2023

13. 13
    Why Are We Yelling?▲143

    A book about the art of productive disagreement.

    2019

14. 14
    Disagree with Me▲100

    A place to seek out and provide opposing viewpoints

    2018

15. 15
    AnswerTime▲82

    Quick, effective user research, powered by AI

    2024

16. 16
    FightMe.now▲3

    Turn any opinion into a harmless internet fight.

    May 2026 · settleit.now

17. 17
    True Or False▲97

    A simple true/false generator for iOS and Android

    2018

18. 18DA
    DebateGate, a website for civil debate▲9

    2017 · debategate.net

19. 19
    Answerthepublic▲120

    Insights that answer your audience's questions

    2025

20. 20
    Quoted Replies▲78

    View quoted replies on a tweet!

    2019

21. 21
    Verify▲120

    Test out ideas before you implement them.

    2015

22. 22
    UI Critic by Usercall▲40

    Instantly surface the assumptions behind a UI screenshot

    Feb 2026

23. 23CI
    CommentBox.io – a responsible alternative to Disqus▲64

    2018 · commentbox.io

24. 24
    QallOut▲92

    Freestyle, head-2-head debate competitions over live video

    2017

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