Tools in this category
OpenAI Codex
Codex can read a repository, propose a patch and run checks. Use it for a small coding task with a clear acceptance test and reviewable diff.
Claude Code
Use Claude Code from a project directory to trace existing code, make a targeted change and review which tests it ran.
Cursor
Cursor Agent can read workspace context and make code edits. Use it to refactor a defined set of files and inspect the diff before merging.
GitHub Copilot
GitHub Copilot offers coding suggestions, chat and supported review workflows. Use it to draft tests or code changes against the files already open.
Cline
Cline is a coding agent for the editor and terminal. It can work with project files and commands under your chosen approval settings.
Aider
Aider works from the command line with files in a Git repository. Add specific files to the conversation and examine changes through Git.
Continue
Continue adds model-driven chat and editing workflows to supported editors. Use a configured model to explain code or tackle a small edit.
Replit Agent
Replit Agent can assemble an app in a hosted workspace. Start from a short brief and test the preview before deciding to publish.
Bolt.new
Bolt.new builds browser-based web prototypes from prompts. Use the preview and code view to iterate on a small feature.
JetBrains Junie
Junie can plan a change, edit project files and run checks from supported JetBrains environments. Start with a task that has a known test command.
What to compare
- Choose an editor, terminal tool, or pull request reviewer that fits where you already write and review code.
- Check which files the tool can read and whether it needs access to a hosted repository.
- Start with a small bug or test and review the diff before accepting changes.