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Alternatives

Products that do what Rui Codex does

AI automation & custom software for European businesses

  1. 1

    AI that writes code for you

    2021 · openai.com

  2. 2

    A command center for working with agents

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  3. 3

    Parallel custom agents for complex tasks

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  4. 4

    A web code editor with AI & multi-language support

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  5. 5
    CodeX124

    Build webapps in minutes for completely free

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  6. 6

    A version of GPT-5 better at agentic coding

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  7. 7

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

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  8. 8
    Omi323

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  9. 9

    Automate files, apps, and workflows with Manus Desktop

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  10. 10
    IKI.AI893

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  11. 11
    Automa606

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  12. 12
    Vellum416

    Build AI agents using plain English to do your boring tasks

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  13. 13

    Turn your document databases into AI powered libraries

    2024 · lawformer.com

  14. 14

    Codex now runs natively on Windows with secure sandbox

    Mar 2026 · learn.chatgpt.com

  15. 15

    Put your small, important tasks on autopilot.

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  16. 16

    Your brand’s content strategy, enhanced by AI

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  17. 17LM

    Libretto (https://libretto.sh) is a Skill+CLI that makes it easy for your coding agent to generate deterministic browser automations and debug existing ones. Key shift is going from “give an agent a prompt at runtime and hope it figures things out” to: “Use coding agents to generate real scripts you can inspect, run, and debug”. Here’s a demo: https://www.youtube.com/watch?v=0cDpIntmHAM. Docs start at https://libretto.sh/docs/get-started/introduction. We spent a year building and maintaining browser automations for EHR and payer portal…

    Apr 2026 · github.com

  18. 18AD

    I've been building computer-use tools for a while, and I quietly launched this about a month ago (122 Stars on GH). I figured it was worth sharing here. Over the last few months, a lot of computer-use agents have come out: Codex, Claude Code, CUA, and others. Most of them seem to work roughly like this: 1. Take a screenshot 2. Have the model predict pixel coordinates 3. Click x,y 4. Take another screenshot 5. Repeat That works, but it's slow, expensive in tokens, and fragile. If the UI shifts a few pixels, things break. And the model still doesn't know what any element actually is. But the…

    May 2026 · github.com

  19. 19

    Discuss and understand your code base from within your IDE

    2022

  20. 20OC

    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

  21. 21

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

    Jul 2026 · opencodesuper.app

  22. 22

    Open-source alternative to Codex & Claude Code

    May 2026 · shiori.ai

  23. 23

    One dashboard to run and organize multiple AI CLI agents

    Dec 2025

  24. 24

    Open-source Computer Use MCP for AI agents

    May 2026 · github.com

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