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AI coding tools

Refact.ai

Open source coding agent

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Tags Open source AI tools AI Agent AI coding AI code assistant AI ide

What Refact.ai is

Refact.ai is an AI coding agent offered as open source, positioned as an alternative to hosted assistants. It provides autonomous agent behaviour, in-IDE chat and accurate autocompletion, with support for many programming languages across editors including VS Code, JetBrains IDEs, Visual Studio, Neovim and Sublime Text.

It can be deployed on-premise, as SaaS or on AWS, and uses retrieval-augmented generation over project symbols for completion.

What you can do with it

Run coding tasks with an agent
Chat about code inside the editor
Get completions aware of project symbols
Self-host for code control

Who it is for

Developers wanting an open source option
Teams requiring self-hosting
Users of several editors

What to watch out for

Agent output needs review and tests before merging
Self-hosting means you operate the service and any model it calls
Editor coverage differs, with some marked beta
Confirm current model support and plan limits

Pros & cons

✓ What we like

Open source and self-hostable
Wide editor coverage
RAG-aware completion

! What to watch out for

Self-hosting effort
Some editor support is beta
Output needs review

FAQ

What does it offer?

An autonomous coding agent, in-IDE chat and autocompletion across many languages.

Can I self-host it?

Yes. On-premise, SaaS and AWS deployment are offered.

Which editors work?

VS Code, JetBrains IDEs, Visual Studio, Neovim and Sublime Text are named, some in beta.

Last reviewed: 2026-09-17

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