Life & fun · alternatives · 2026

24 alternatives to Ancillary Justice

An AI space opera with surprising emotional depth

Below are 24 products that do a similar job, ranked by how close each is in meaning and then by launch-day votes. Prices are shown for the 4 we have checked on their own sites, 4 of them free or with a free tier. Ancillary Justice launched in 2015; newer entries below may have overtaken it.

1. 1
   Humani: Jessie’s Story▲76

   A conversation-based narrative game

   2016 · messenger.com · its alternatives →

2. 2
   Hamlet on the Holodeck▲67

   The future of narrative in cyberspace

   2015 · amazon.com · its alternatives →

3. 3
   Machines of Loving Grace▲54

   The Quest for Common Ground Between Humans and Robots

   2015 · amazon.com · its alternatives →

4. 4
   Surviving AI▲59

   The promise and peril of artificial intelligence

   2015 · amazon.com · its alternatives →

5. 5
   Last Voyage▲6

   A minimalist abstract space opera

   2015 · its alternatives →

6. 6
   Robot Overlordz - 224: Conscientious Futures▲66

   Self-publishing, corporate sovereignty, and the future of AI

   2015 · its alternatives →

7. 7
   Radiance▲79

   A decopunk pulp SF alt-history space opera mystery!

   2015 · amazon.com · its alternatives →

8. 8
   The Age of Spiritual Machines▲57

   AI and achieving the singularity

   2015 · amazon.com · its alternatives →

9. 9
   withHuman▲105

   A human approval layer for AI Agents

   13d ago · withhuman.ai · its alternatives →

10. 10
    Space Age▲59

    A Game of Cosmic Adventure

    2015 · spaceageapp.com · its alternatives →

11. 11
    Spacesfree tier, from $10.99/mo▲77

    One shared space where your team and AI agents work

    Sep 2026 · spaces.ez-ai.io · its alternatives →

12. 12
    Future Visions▲66

    Original science fiction inspired by Microsoft

    2015 · amazon.com · its alternatives →

13. 13
    Mayday! Deep Space▲103

    New take on interactive fiction from author of Robopocalypse

    2015 · maydayapps.com · its alternatives →

14. 14
    Rival {Theory}▲63

    Artificial intelligence for gaming

    2014 · rivaltheory.com · its alternatives →

15. 15
    ruOSfree tier▲103

    A cloud desktop where AI agents do the work for you

    22d ago · ruos.cognitum.one · its alternatives →

16. 16
    Cubicle▲118

    A live office for your AI agents, read-only by design

    28d ago · github.com · its alternatives →

17. 17
    Grovefree tier, from $5/mo▲101

    One terminal for you and your AI agent

    Sep 2026 · grove.publishstudio.one · its alternatives →

18. 18
    Harkfree tier, from $20/mo▲87

    The personal AI that handles life before you have to

    21d ago · hark.com · its alternatives →

19. 19
    Lexicon▲55

    Great modern SF thriller about the power of words.

    2015 · amazon.com · its alternatives →

20. 20
    Koreshield▲91

    Security and evidence for AI support agents

    Sep 2026 · koreshield.ai · its alternatives →

21. 21
    Acyclic▲69

    Rapid agent swarms for any agentic workflow

    18d ago · acyclic.dev · its alternatives →

22. 22
    Speak: A Novel▲5

    The creation of Artificial Intelligence

    2017 · amazon.com · its alternatives →

23. 23
    Presence▲81

    Science fiction novel about the future of Virtual Reality

    2016 · amazon.com · its alternatives →

24. 24
    Praex▲68

    The coding agent that runs on its own AI models

    8d ago · praex.ai · its alternatives →

Ranked by how close each launch is in meaning, then by votes. Prices were read from each product’s own site when checked and can change. Refine with your own description →