
The code editor reimagined around AI.
Read the review →5 tools selected and reviewed
Migrating a project to a new framework or major version is long and risky to do by hand. These tools identify affected files, suggest changes and manage modifications across the entire repository.
Our ranking, from agents able to handle an entire repository to assistants that speed up file-by-file migration.

The code editor reimagined around AI.
Read the review →The AI pair-programmer on the command line, open source, that auto-commits your changes to Git
Read the review →
Enterprise AI assistant that understands your entire multi-repo codebase for ultra-precise answers
Read the review →| Tool | Best for | Price | FR | Level | Verdict | Rating | |
|---|---|---|---|---|---|---|---|
Cursor | The code editor reimagined around AI. | Freemium | 🇫🇷 | Intermediate | Excellent | ★ 4.7 | |
| AAider | The AI pair-programmer on the command line, open source, that auto-commits your changes to Git | Free | — | Advanced | Good choice | ★ 4.2 | |
Sourcegraph Cody | Enterprise AI assistant that understands your entire multi-repo codebase for ultra-precise answers | Paid | — | Advanced | Good choice | ★ 3.9 | |
GitHub Copilot | The AI assistant that completes and writes code in your editor. | Paid | 🇫🇷 | Intermediate | Very good | ★ 4.6 | |
Windsurf (Codeium) | Codeium's AI IDE combining unlimited autocomplete and Cascade agent for continuous code changes | Freemium | — | Intermediate | Very good | ★ 4.3 |
Cursor and Aider handle changes across multiple files at once, ideal for a migration. Sourcegraph Cody helps identify all usages to modify in a large repository before you tackle it.
Aider works through small validated commits one at a time, which limits risk. GitHub Copilot and Windsurf (Codeium) are useful for checking and adjusting each change as you go.
We help you choose and set up the right tool for how you work.
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