Dev tools · 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 3 we have checked on their own sites, 3 of them free or with a free tier. Real-time collaborative coding for quants launched in 2014; newer entries below may have overtaken it.

1. 1
   ContextsBasefree tier▲75

   Context Infrastructure for Coding Agents

   Sep 2026 · contextsbase.com · its alternatives →

2. 2
   Juggler▲95

   A visual AI coding harness

   Sep 2026 · juggler.studio · its alternatives →

3. 3
   Reika▲72

   A coding agent CLI designed around small local models first

   15d ago · reikacode.com · its alternatives →

4. 4
   Campfirefree▲84

   The shared workspace for humans and coding agents

   22d ago · boringinfra.company · its alternatives →

5. 5
   GenCode▲133

   A coding agent inside the Genspark Super App

   27d ago · genspark.ai · its alternatives →

6. 6P
   Porch▲64

   local project summaries and cost tracking for AI coding

   13d ago · porch.pages.dev · its alternatives →

7. 7AR
   A realtime classroom coding experience optimized for distance learning▲9

   2021 · blog.repl.it · its alternatives →

8. 8
   M9Rfree▲56

   Multiplayer space for your AI coding agents and teams

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

9. 9
   Pt▲75

   A code experiment on point, form, and space

   2015 · williamngan.github.io · its alternatives →

10. 10
    Praex▲69

    The coding agent that runs on its own AI models

    2d ago · praex.ai · its alternatives →

11. 11
    Axis▲65

    A multiplayer math game

    2014 · axisthegame.com · its alternatives →

12. 12AC
    AI Coding Companion▲6

    2024 · codepal.vercel.app · its alternatives →

13. 13
    Zehefyu93 Scheme^2 Quad Store for collaborative structured data▲6

    2018 · github.com · its alternatives →

14. 14CF
    Codier – Front-End Coding Challenges and Creations▲6

    2018 · codier.io · its alternatives →

15. 15DT
    DIY tool for customized Machine Learning – absolute zero coding▲7

    2017 · matelabs.in · its alternatives →

16. 16OS
    Open-source SIMD-accelerated math library for C/C++/C#/Java/FORTRAN▲9

    2013 · yeppp.info · its alternatives →

17. 17
    Teletype for Atom▲13

    Code together in real time

    2017 · github.blog · its alternatives →

18. 18
    Coderviews▲7

    A real-time, collaborative compiler.

    2017 · its alternatives →

19. 19
    Multistack, a TUI environment for parallel coding agents▲5

    Open source lightweight TUI for parallel agent management - gi-dellav/multistack

    Sep 2026 · github.com · its alternatives →

20. 20SF
    Spreadsheets for hierarchical data – real-time collaborative editing▲5

    2016 · datascribbler.com · its alternatives →

21. 21
    Nirvana, a WIP programming language▲8

    2018 · github.com · its alternatives →

22. 22TA
    tut, an open platform for programming tutorials▲8

    2013 · king-tutorial.com · its alternatives →

23. 23RE
    Redesigned: Escherpad, a collaborative math and code notebook▲6

    2015 · escherpad.com · its alternatives →

24. 24TI
    TryCode.io: A Simple, Interactive Coding Tutorial for Beginners▲9

    2015 · trycode.io · 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 →