AI · alternatives · 2026

24 alternatives to Catenary

Spatial canvas IDE for AI coding agents

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 8 we have checked on their own sites, 7 of them free or with a free tier.

1. 1
   Juggler▲95

   A visual AI coding harness

   Sep 2026 · juggler.studio · its alternatives →

2. 2
   PixelCrew▲142

   Production-ready design from a crew of AI agents

   Sep 2026 · pixelcrew.ai · its alternatives →

3. 3
   Causal▲105

   AI Powered Canvas for planning visual projects

   Sep 2026 · causal.so · its alternatives →

4. 4
   M9Rfree▲56

   Multiplayer space for your AI coding agents and teams

   Sep 2026 · app.m9r.workers.dev · its alternatives →

5. 5
   Praex▲68

   The coding agent that runs on its own AI models

   7d ago · praex.ai · its alternatives →

6. 6
   Reika▲72

   A coding agent CLI designed around small local models first

   20d ago · reikacode.com · its alternatives →

7. 7
   Tidenfree tier, from $49/mo▲208

   Intent verification for coding agents

   18d ago · tiden.ai · its alternatives →

8. 8
   Scumble▲100

   The open-source editor for AI inpainting

   21d ago · github.com · its alternatives →

9. 9
   AVP▲79

   Open source alternative to Git for AI coding agents

   1d ago · avp.murmell.com · its alternatives →

10. 10
    devpitfree▲117

    A native control room for your Claude Code agents

    25d ago · devpit.app · its alternatives →

11. 11
    AI Sandboxes by Buddy▲89

    Isolated cloud machines for your AI coding agents

    13d ago · buddy.works · its alternatives →

12. 12
    Clippo▲80

    Orchestrate AI agent teams on a visual canvas

    20d ago · apps.microsoft.com · its alternatives →

13. 13
    AgentSDR▲106

    Open-source AI SDR

    21d ago · agentsdr.ai · its alternatives →

14. 14
    ContextsBasefree tier▲75

    Context Infrastructure for Coding Agents

    Sep 2026 · contextsbase.com · its alternatives →

15. 15
    Atelierfree tier, from $13.99/mo▲55

    The studio your AI coding agents work in

    12d ago · appsbymo.app · its alternatives →

16. 16P
    Porch▲64

    local project summaries and cost tracking for AI coding

    18d ago · porch.pages.dev · its alternatives →

17. 17AC
    AI Coding Companion▲6

    2024 · codepal.vercel.app · its alternatives →

18. 18
    walkai-talkaifrom $19.99/mo▲162

    Talk to your AI coding agent over a walkie-talkie

    9d ago · walkai-talkai.com · its alternatives →

19. 19
    Campfirefree▲84

    The shared workspace for humans and coding agents

    27d ago · boringinfra.company · its alternatives →

20. 20
    Aperture▲63

    An AI code editor that checks its own work

    24d ago · github.com · its alternatives →

21. 21
    Eggshell▲74

    Local memory for AI agents to reuse work, spend fewer tokens

    Sep 2026 · github.com · its alternatives →

22. 22
    ESP-Mosaico▲109

    A modular development board built for agents

    Sep 2026 · mosaico.ai · its alternatives →

23. 23
    ruOSfree tier▲103

    A cloud desktop where AI agents do the work for you

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

24. 24
    Semwright▲67

    Give AI agents structured access to real software

    19d ago · semwright.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 →