Free Verified

Cline

Open source autonomous coding agent

4.5 Coding
4.5 Excellent 4.5

Bottom line: Cline is a top-tier coding tool, best known for autonomous file edits and command execution with approvals. It has a free plan.

Fully open source with no service fee on requests Token costs can climb fast on large autonomous tasks
Reviewed by Challenging Voice Editorial · Updated Jun 2026 How we rate
PricingFree
Free planYes
PlatformsAPI, Mac, Windows
Best forCoding
Visits1
UpdatedJun 2026
Ask AI about Cline ChatGPT Claude Perplexity

Overview

Cline is an open-source AI coding agent that runs as a sidebar in VS Code and other editors, executing tasks across your files. It reads code, makes edits, runs commands, and asks for approval at each step so you stay in control. The tool is free, and you pay only for model usage with your own API keys.

Key features

Pricing

Pros & cons

Pros

  • Fully open source with no service fee on requests
  • Transparent step-by-step approvals keep you in control

Cons

  • Token costs can climb fast on large autonomous tasks
  • Requires you to manage your own provider API keys

How it compares

ToolRatingFreeFromBest known for
Cline (this tool)4.5YesFreeAutonomous file edits and command execution with approvals
Cursor4.7Yes$20/moCodebase-aware chat
GitHub Copilot4.6Yes$10/moInline code suggestions
Aider4.6YesFreeTerminal-based editing with automatic git commits per change

Our verdict

4.5 / 5 4.5

Cline is an excellent coding tool, best known for autonomous file edits and command execution with approvals. It offers a free plan.

What makes it different: Cline stands out for autonomous file edits and command execution with approvals.

How we score it
Overall 4.5
Value for money 4.7
Feature depth 4.7
Popularity 3.7
Best for DevelopersEngineering teamsStudentsIndie hackers

Frequently asked questions

What is Cline?
Cline is a coding tool listed in the Challenging Voice directory. Open source autonomous coding agent.
Is Cline free?
Yes, Cline offers a free plan. Paid plans unlock more features and higher usage limits.
What are the best Cline alternatives?
Popular alternatives to Cline include OpenHands, Refact.ai, and Bito. Browse them all in the Coding category.
Is Cline any good?
Cline scores 4.5 out of 5 based on our editorial review.

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