Free AI APIs for Codex - 9 Free AI tools

DocuWriter.ai

Automated AI-powered tools to generate Code & Api documentation from your source

Code documentation

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1,624 www.docuwriter.ai

DocuWriter.ai has helped us to document all our codebase. And to understand old legacy code as well.

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Released 2y ago

Free + from $29/mo

21,955

421

3.2

EasyAI – AI Flow - No Code Content (Video/Image) Generation long form, Chatbots & Document Automation

Chain AI tasks with no-code into workflows for chatbots, video, documents, and

Content

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48,921 easyai.passiolife.com

Leonie

🛠️ 1 tool 🙏 5 karma

Nov 20, 2025

@EasyAI – AI Flow - No Code Content (Video/Image) Generation long form, Chatbots & Document Automation

This tool removes all of the prep work of getting an LLM API endpoint running. I can try out ideas quickly and see within minutes whether an endpoint concept actually works. And when it does, moving it into a production app is about as easy as it gets.

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Released 25d ago

Free + from $19/mo

50,837

31

4.2

Syntha AI README Generator

Create professional README files instantly with AI

Code documentation

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Released 11mo ago

Free + from $14

1,330

11

3.5

Codoki AI

AI-powered code reviews that accelerate pull requests and improve code quality

Code reviews

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I signed up for early access and have been using codoki for a few months now, eventually brought it into my team as well. Great tool, simple to use, not overwhelming and has caught things in a way thats actually digestible

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Released 3mo ago

Free + from $12.50/mo

1,304

25

4.7