Best Code Generation AI tools
Turns a description, spec or design into working source code across languages and frameworks. The 15 highest-ranked of the 34 apps tagged Code Generation in the Onei AI catalogue.
Everything tagged Code Generation: apps, skills and MCP servers
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Anthropic
Anthropic's agentic coding tool — a terminal-native agent that reads your codebase, edits files, runs tests, and opens PRs.
Also: CLI, Coding Agent, Developers · Editor's pick
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Google
Google's browser workbench for prototyping with Gemini models, then shipping the same prompt as production API code.
Also: Developers · Editor's pick
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An open-source coding agent for VS Code and JetBrains that plans before it edits and asks before it acts.
Also: Coding Agent, Developers, JetBrains · Editor's pick
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Open-source AI coding agent for VS Code, JetBrains and the terminal — 500+ models at provider cost, task-specific modes, parallel agents in isolated git worktrees.
Also: CLI, Coding Agent, IDE · Editor's pick
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Cognition AI
An autonomous AI software engineer that plans, writes, tests, and ships code in its own cloud development environment.
Also: Coding Agent, Developers · Editor's pick
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Browser-based coding platform whose AI Agent builds, edits, and deploys full-stack apps from natural-language prompts.
Also: App Builder, Coding Agent, Developers · Editor's pick
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AI design engineer that generates distinctive UI designs and production code inside your own repo, Figma and design system.
Also: Coding Agent · Editor's pick
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Anthropic
Claude is a family of large language models developed by Anthropic.
1 bookmark
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Gerome Elassaad
Free, local, open-source AI app builder ✨ v0 / lovable / Bolt alternative.
Also: App Builder, Developers, Open Source · 1 bookmark
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Vercel
v0 converts natural language descriptions into code and UI. Build landing pages, full-stack apps, and more.
Also: App Builder, Developers · 1 bookmark
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Websson d.o.o.
Describe an app in plain sentences and Uppcoder builds it: the code, a real database, a server and a live HTTPS URL. Free, no sign-up. The code is yours to keep and export.
Also: App Builder
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AWS
Amazon Q Developer (formerly CodeWhisperer) is AWS's AI coding assistant; its IDE plugins end support in April 2027 in favour of Kiro.
Also: Autocomplete, CLI, Coding Agent
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Sourcegraph
Cody is Sourcegraph's codebase-aware AI coding assistant, now only for Sourcegraph Enterprise customers since Free and Pro ended in 2025.
Also: Autocomplete, Developers
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JetBrains
JetBrains AI Assistant adds project-aware chat, code completion and agents like Junie, Claude Agent and Codex to JetBrains IDEs.
Also: Autocomplete, Coding Agent, IDE
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Cognition AI
Windsurf Plugins (formerly Codeium) add AI autocomplete and chat to JetBrains, VS Code, Vim, Visual Studio, Jupyter and Eclipse.
Also: Autocomplete, Developers, IDE
How this list is ranked
Ranked by editorial weight (0–100), plus 5 points per bookmark up to 10, plus or minus up to 20 for the average review rating; ties go to featured apps, then the most recently updated. Discontinued apps are never ranked.