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Cline vs Kerno
Cline is an open-source autonomous coding agent for IDEs, not a runtime QA platform.
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Which to pick
Pick Cline if you want…
- Self-hosted AI coding agent for IDEs and terminals
- IDE-based AI coding assistance
- Open-source code (cline/cline on GitHub, Apache-2.0 license)
- Integrations with VS Code, JetBrains or CLI (on Cline's list, not Kerno's)
Pick Kerno if you want…
- Live backend QA for AI-generated code
- Integrations with TypeScript, JavaScript or Python (on Kerno's list, not Cline's)
Side by side
- What it is
- Cline:Open-source autonomous coding agent that works in IDEs, terminals and can be embedded in products.
- Kerno:Kerno runs automated backend tests against your live stack to catch runtime, security, and integration bugs before code ships.
- Best for
- Cline:Self-hosted AI coding agent for IDEs and terminals
- Kerno:Live backend QA for AI-generated code
- Who it’s for
- Cline:Individual developers and engineering teams needing AI-assisted coding without vendor lock-in.
- Kerno:Backend engineers and AI coding agents who need runtime validation.
- Pricing
- Cline:Freemium
- Kerno:Freemium
- Plans
- Cline:Individual (Open Source) Free
- Kerno:Community $0 per month · Pro $50 per dev per month
- Open source
- Cline:Yes, 69,660 GitHub stars
- Kerno:—
- Works with
- Cline:VS Code, JetBrains, CLI, Slack, Discord, Telegram, Linear, GitHub Actions
- Kerno:TypeScript, JavaScript, Python, Java, Go, Rust, C#, C
Cline features
- Plan-and-Act workflow. Toggle between planning steps and executing them, with optional auto-approve.
- Multi-file edits. Coordinated changes across a project with linter-aware fixes, diffs and one-click undo.
- Terminal integration. Runs bash commands, reacts to live output and can be used in CI pipelines.
- Custom rules & skills. Define .clinerules to enforce coding standards and deployment conventions.
- Model agnostic. Supports Claude, GPT, Gemini, Ollama, LM Studio and any OpenAI-compatible endpoint.
- Extensible via MCP & plugins. Register custom tools, lifecycle hooks and integrate databases or APIs.
- Team & automation features. Multi-agent teams, scheduled cron jobs and integrations with Slack, Linear and CI systems.
- Desktop app. Native desktop client for Mac, Windows and Linux, no editor required.
Kerno features
- Live stack validation. Runs tests against your running app and its dependencies to detect regressions in real time.
- Functional API workflow checks. Executes end-to-end scenarios covering API behavior and edge cases.
- Contract & schema validation. Ensures responses match expected contracts and schema definitions.
- Authorization & authentication testing. Detects broken access controls and privilege escalation issues.
- Security OWASP Top 10 checks. Automates detection of common security vulnerabilities in your backend.
- Self-healing test suite. Retires stale scenarios and creates new ones as the codebase evolves.
- CI integration. Integrates with CI pipelines to run validations on every pull request.
- Team analytics. Provides dashboards for test results, blast-radius, and impact across engineers.
Cline vs Kerno FAQ
Is Cline or Kerno free?+
Cline has a free plan (Individual (Open Source)) and paid plans. Kerno has a free plan (Community) and paid plans.
Is Cline or Kerno open source?+
Cline is open source (cline/cline on GitHub, Apache-2.0 license). DevHunt has no public source repository on record for Kerno.
Do Cline and Kerno integrate with the same tools?+
Their integration lists don't overlap: Cline lists VS Code, JetBrains, CLI, Slack and 10 more; Kerno lists TypeScript, JavaScript, Python, Java and 10 more.
On DevHunt
Based on each tool's website and DevHunt data. Details may change; check the official sites.