Alternatives to Kerno

TestSprite CLI writes and runs AI end-to-end tests against your live app, so agent-generated code gets verified before it merges.

Bito Governor is an AI model router and code context engine that grounds coding agents in your codebase to cut agent spend 40-70%

Open-source MCP server that gives coding agents live Chrome DevTools access for debugging, automation, and performance traces.

GitHub Copilot is an AI coding agent that completes code, reviews pull requests, and runs Copilot, Claude, and Codex agents inside GitHub

Ellipsis Agent Cloud runs Claude Code and Codex coding agents in managed cloud sandboxes defined by environment.yaml.

Replit turns plain-English prompts into full-stack apps — AI agents write, host, and deploy the code.

Open-source desktop workspace that runs Claude Code, Codex, OpenClaw, and other CLI coding agents side by side with per-task model routing.

Ponytail is a free, MIT-licensed ruleset that makes AI coding agents write the least code that works.

AI coding agent in VS Code that scaffolds, tests, and deploys full-stack apps from a prompt

Ito builds and runs your app on every pull request, then drives it with computer-use agents to catch runtime bugs before merge.

Open-weight agentic coding models — Laguna XS 2.1 (33B) and Laguna S 2.1 (118B) — built for code that cannot leave your security boundary.

Roo Code is a pre-launch multi-agent AI coding assistant for VS Code, currently collecting email signups on a landing page only

Replit Agent turns a plain-English prompt into a runnable full-stack app inside your browser, then deploys it to a live URL.

Cosine Genie is a sovereign coding agent that writes production-grade code with Lumen models post-trained on real engineering code.

Open-source dev platform that combines no-code, full-code, and AI with reusable full-stack MicroApps.

Open-source AI coding agent for VS Code and JetBrains, acquired by Cursor in January 2026 and now an unmaintained codebase you fork, not subscribe to.

Spec-driven AI coding platform that turns prompts into requirements, designs, and tasks, then ships them with parallel agents.

Devin Desktop (formerly Windsurf) is an agent-native IDE for running fleets of local and cloud coding agents from one Sessions board.

Sourcegraph Cody is an AI coding assistant that grounds chat, completions, and agent workflows in your entire multi-repo codebase.

Claude Code is Anthropic's agentic coding assistant that plans, edits, and runs commands across your repo from the terminal, IDE, or browser.

Open platform for running fleets of cloud coding agents across your SDLC, with an agentic terminal and a CLI agent that works anywhere

Open-source autonomous AI coding agent that plans, executes, and deploys tasks inside VS Code and JetBrains IDEs.

GitLab Duo is GitLab's agentic AI layer, adding specialized AI agents, code review, and policy-governed automation directly into DevSecOps workflows.

Devin Desktop (formerly Windsurf) is an agent-centric IDE for running fleets of local and cloud coding agents from one Sessions Board.

Cursor is your coding agent for building ambitious software — plan, build, test and ship with AI agents across IDE, CLI, Slack and cloud.

Rust-built code editor with parallel AI agents, built-in multiplayer collaboration, and new BYOK support for GPT-6.1 Sol.

Open-source coding agent that reads your repo, edits files, and runs terminal commands across VS Code, JetBrains, CLI, and a desktop app.

Agentic coding platform where one agent core drives an IDE, CLI, JetBrains plugin, mobile app, SDK, and cloud agents.

Kilo is an open-source AI coding agent with 500+ models across VS Code, JetBrains, CLI, cloud, and Slack — at exact provider rates.

Moonshot AI's agentic workspace where deep research, slides, sheets, sites and always-on agents produce a finished deliverable instead of a draft.