nowfound

Alternatives

Products that do what Déjà View does

See who already tried your idea, and why they died

  1. 1DY
  2. 2
    Autopsy407

    A collection of post-mortems & lessons from failed startups

    2015

  3. 3

    Rebuild 1,738+ dead YC startups with AI

    Apr 2026 · startups.rip

  4. 4

    History shouldn't have to repeat itself

    2017 · startupgraveyard.io

  5. 5

    Timeline of what popular startup sites looked like at launch

    2021

  6. 6

    Toy versions of failed startups like Juicero and Theranos

    2021

  7. 7

    Learn why 100+ startups have failed

    2019

  8. 8

    A list of dead Google products and why they died

    2018

  9. 9

    Like online will, but for notes

    2022

  10. 10

    Practical recommendations on generating hellishly good ideas

    2022

  11. 11

    Brave indies face product failure, say goodbye and reboot

    2023

  12. 12

    A practical guide on generating hellishly good ideas.

    2020

  13. 13

    Find weak spots in your startup idea. Real data, not vibes.

    Feb 2026

  14. 14
    Visible126

    Performance insights for startups and their investors.

    2014

  15. 15

    Get clarity on your ideas before you start building

    2022

  16. 16BD

    2016 · deathwatch.io

  17. 17

    Unearth Meta's digital graveyard

    2023

  18. 18
    Revive99

    Envision your business ideas with AI

    2022

  19. 19

    Keep posting or your blog gets it 🔪😵☠️⚰️

    2019

  20. 20

    Destroy bad ideas before you build

    Mar 2026

  21. 21TR

    http://lookingbackaretrospective.posterous.com The ongoing true story of a startup destined for failure, as seen through the eyes of one developer. It's currently in reverse chronological order, so start at the bottom and work your way up, if you would. All questions, comments, and criticisms welcome

    2011

  22. 22
    IdeAI42

    Your search engine for ideas

    2024

  23. 23

    Kill bad ideas before they kill your time

    Mar 2026 · ideadose.dev

  24. 24PT

    I made this for people like myself who keep a list of ideas for apps / startups. I also made it for people who are curious to see what projects others have "in their drawer"... and who may want to have a say in which idea should see the light of day. https://ideas.dynamate.io/ The site allows creators to anonymously showcase their idea: Title. Description text. Maybe some mockups... I've tried to make it so that it's quick and easy to just dump an idea in there that's been sitting on some list of yours for months - and hopefully get some feedback on it. If someone else on…

    2022 · ideas.dynamate.io

Ranked by how close each launch is in meaning, then by votes. Refine with a description →