Alternatives

Products that do what Codex Beginner Workflow in 2026 does

Codex in 2026 with files, skills, plugins, automations,...

1. 1
   Codex by OpenAI▲955

   AI that writes code for you

   2021 · openai.com

2. 2
   Codex by OpenAI▲346

   A command center for working with agents

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3. 3
   Codex Plugins▲202

   Package Codex skills and app integrations as plugins

   Mar 2026 · learn.chatgpt.com

4. 4
   Codex app for Windows▲145

   Codex now runs natively on Windows with secure sandbox

   Mar 2026 · learn.chatgpt.com

5. 5
   CodeX-Editor▲125

   A web code editor with AI & multi-language support

   2025

6. 6
   CodeX▲124

   Build webapps in minutes for completely free

   2025

7. 7
   OpenCode Superapp▲128

   The power of Codex with local, self-hosted models and voice

   Jul 2026 · opencodesuper.app

8. 8OC
   Open Codex – OpenAI Codex CLI with open-source LLMs▲106

   Hey HN, I’ve built Open Codex, a fully local, open-source alternative to OpenAI’s Codex CLI. My initial plan was to fork their project and extend it. I even started doing that. But it turned out their code has several leaky abstractions, which made it hard to override core behavior cleanly. Shortly after, OpenAI introduced breaking changes. Maintaining my customizations on top became increasingly difficult. So I rewrote the whole thing from scratch using Python. My version is designed to support local LLMs. Right now, it only works with phi-4-mini (GGUF) via…

   2025 · github.com

9. 9
   CodeX by Supernova▲216

   Convert designs into production-ready code in real-time

   2018

10. 10
    n8n 1.0▲788

    Workflow automation for technical people

    2023 · n8n.io

11. 11
    Everything OpenAI Codex▲7

    An open-source workflow OS for OpenAI Codex.

    May 2026 · github.com

12. 12
    Codex​​▲247

    Discuss and understand your code base from within your IDE

    2022

13. 13
    Open Paper▲289

    AI-native workbench for understanding papers

    2025

14. 14
    Codex by ChatGPT▲401

    Cloud agent for parallel dev tasks, powered by Codex-1

    2025

15. 15
    Coda 1.0 + Mobile▲400

    A doc as powerful as an app.

    2019

16. 16
    GPT-5 Codex▲358

    A version of GPT-5 better at agentic coding

    Sep 2025

17. 17
    Coda 4.0▲258

    The all-in-one platform for businesses, now with AI.

    2023

18. 18
    GPT‑5.3‑Codex‑Spark▲277

    An ultra-fast model for real-time coding in Codex

    Feb 2026

19. 19
    Codex in Chrome▲111

    Let Codex navigate and automate tasks in your browser

    May 2026 · learn.chatgpt.com

20. 20
    CodeX Docs▲163

    Self-hosted alternative to Notion, Paper and Google Docs

    2022

21. 21DA
    Document and automate your operations playbooks and business processes▲148

    2021 · workflow86.com

22. 22
    Content Codex▲314

    Your brand’s content strategy, enhanced by AI

    2024

23. 23
    Codex Subagents▲306

    Parallel custom agents for complex tasks

    Mar 2026 · learn.chatgpt.com

24. 24
    n8nChat▲225

    Create automations in seconds by generating n8n workflows

    2025

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