Life & fun · alternatives · 2026

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 2 we have checked on their own sites, 2 of them free or with a free tier. SimonSays, a Rails gem for declarative, role-based authorization launched in 2014; newer entries below may have overtaken it.

1. 1
   Upsolve Row-Level Security▲90

   Data permissions your AI agent can't talk its way past

   15d ago · upsolve.ai · its alternatives →

2. 2
   Relaticlefree tier, from $19/mo▲170

   Open-source CRM with approval-gated AI writes

   Sep 2026 · relaticle.com · its alternatives →

3. 3
   Tankman – An Open Source User Management and Authorization MicroService▲7

   2023 · github.com · its alternatives →

4. 4
   Mantlefree tier▲58

   Open-source service builder for humans and AI agents

   Sep 2026 · mantle.tools · its alternatives →

5. 5
   Koreshield▲91

   Security and evidence for AI support agents

   Sep 2026 · koreshield.ai · its alternatives →

6. 6
   withHuman▲105

   A human approval layer for AI Agents

   9d ago · withhuman.ai · its alternatives →

7. 7
   ESP-Mosaico▲105

   A modular development board built for agents

   Sep 2026 · mosaico.ai · its alternatives →

8. 8
   Bits▲83

   An open-source personal agent that gets you things done

   1d ago · bits.interfacesforhuman.com · its alternatives →

9. 9
   Markdoc▲84

   A shared Markdown editor for people and their agents

   15d ago · markdoc.app · its alternatives →

10. 10
    Janus – A read/write MySQL proxy for Rails' ActiveRecord 7.1▲7

    2024 · tech.olioex.com · its alternatives →

11. 11
    vgpu▲39

    The WebGPU library, designed for agents

    Sep 2026 · vgpu.sh · its alternatives →

12. 12DA
    Deciduous – A security decision tree generator and editor▲6

    2021 · swagitda.com · its alternatives →

13. 13WA
    Wasp Auth UI – The first full-stack auth with self-updating forms▲5

    2023 · wasp-lang.dev · its alternatives →

14. 14AB
    A book on Building API's with Rails▲8

    2014 · apionrails.icalialabs.com · its alternatives →

15. 15BC
    Bailiff – Codecademy of Web App Security▲9

    2015 · bailiff.io · its alternatives →

16. 16FA
    Fallen: A simpler daemon library for Ruby processes.▲6

    2012 · inkel.github.com · its alternatives →

17. 17
    Metacert▲7

    Enterprise Security for Slack

    2017 · its alternatives →

18. 18MM
    MagicSquared – Magic Magic Link Authentication▲7

    2021 · magicsquared.net · its alternatives →

19. 19
    KeeNotes - a Privacy-First Personal Knowledgebase Tool▲8

    2021 · github.com · its alternatives →

20. 20
    Detect and Deny (D2)▲9

    AI agent function level authorization for dummies

    2025 · artoo.love · its alternatives →

21. 21SA
    Sqreen API, a security toolbox for developers▲8

    2017 · sqreen.io · its alternatives →

22. 22SS
    Securing Services with Pipy and OpenID Connect▲5

    2022 · medium.com · its alternatives →

23. 23CA
    Certera – A central validation server for Let's Encrypt certificates▲8

    2019 · docs.certera.io · its alternatives →

24. 24CA
    Cheshire: a CryptoKitties developer sandbox▲7

    2018 · medium.com · 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 →