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Dev tools · February 14, 2019

Codex

Lightweight documentation, beautifully designed.

Codex launched on February 14, 2019 with 10 votes, #965 of 3,290 launches that month and more than 50% of that year's launches. The site was still online in September 2026, 7 years on.

What it does

Codex is an ultra fast, easy to use platform that makes it simple to create documentation websites that your users will love. With fully integrated Markdown support writing documentation in Codex couldn't be easier.

Does a similar job

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  • CodeX-Editor2025 · x-codex.vercel.app · ▲125

    A web code editor with AI & multi-language support

  • CodeX2025 · ▲124

    Build webapps in minutes for completely free

  • CodeX2021 · codexweb.netlify.app · ▲56

    Light weight code compiler with an API

  • Codex​​2022 · usecodex.com · ▲247

    Discuss and understand your code base from within your IDE

  • Codex by OpenAI2021 · openai.com · ▲954

    OpenAI's smartest and most intuitive to use model yet

  • CodeX Docs2022 · docs.codex.so · ▲163

    Self-hosted alternative to Notion, Paper and Google Docs

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