ITG NowOther AI tools for coding
Each one opens its own page with the price and a link.
Mistral Vibe
Mistral AI
European AI chat (once called Le Chat) that also helps you code
Free plan + paid from $14.99/month
GitHub Copilot
GitHub
AI that suggests and writes code inside your code editor
Free plan + paid from $10/month
Devin
Cognition
AI coding helper and editor (Windsurf now points here) that writes code
Free plan + paid from $20/month
Claude Code
Anthropic
AI that works in your project folder and writes and fixes code
Paid from $20/month
Free GitHub alternatives
Free, open-source tools from GitHub in the same area, each with a plain-English guide.
Hindsight: Free AI Agent Memory That Learns
It helps AI helpers remember past chats and learn from them.
Ponytail Skill: Make Your AI Coder Write Less Code
The Ponytail skill is one free prompt that makes your AI coding helper reuse what exists, write half the code, and still keep the tests and safety checks.
Understand Anything: Visualize Any Codebase for Free
Understand Anything is a free plugin that lets you visualize any codebase as a clickable map with plain-English notes, guided tours and a chat for questions.
Matt Pocock Skills: Free Claude Code Skills That Work
Matt Pocock skills are free add-ons that make Claude Code, Codex and Copilot ask better questions, test their work and keep your code tidy.
FAQ
Is Codex free?
Codex has a free plan. Paid plans start at $8/month, as listed on its pricing page (checked 19 Oct 2026). Prices can change, so check before you pay.
What is Codex for?
OpenAI's coding helper that writes, tests, and fixes code for you. We list it under Coding and Agents. Good for engineers.
Who makes Codex?
Codex is made by OpenAI.