Free & Open Source AI Tools for Web Design Code

Disclaimer: These are not my suggestions. I actually used AI (chatGPT 4) to generate this. So, everything you see below is what AI suggested. However, I did check some of them out and they look pretty good. Have some fun with these and let me know which ones you like or prefer and why.

1. Codeium

• Type: AI code completion and generation
• Features: Autocompletion, code generation, supports web languages (HTML, CSS, JS)
• Integrations: VS Code, JetBrains, Jupyter, etc.
• Open Source: Partially (client SDKs); backend is proprietary
• Website: https://codeium.com

2. Continue

• Type: Open-source Copilot alternative
• Features: Inline code suggestions, chat-based code help
• Integrations: VS Code, supports local models and OpenAI API
• Open Source: ✅ Fully
• GitHub: https://github.com/continuedev/continue

3. TabbyML

• Type: Self-hosted AI code assistant
• Features: Code autocompletion, trained on open-source codebases
• Integrations: Works in local IDEs (like VS Code)
• Open Source: ✅ Fully
• GitHub: https://github.com/TabbyML/tabby

4. OpenDevin (early stage)

• Type: AI developer agent
• Features: Automates tasks like editing and debugging code, including web apps
• Use Case: Executes dev tasks from natural language prompts
• Open Source: ✅
• GitHub: https://github.com/OpenDevin/OpenDevin

5. E2B (Build AI dev environments)

• Type: Infrastructure for AI agents
• Use Case: Can create AI agents that edit/debug code in isolated environments
• Open Source: ✅
• GitHub: https://github.com/e2b-dev/e2b

6. Continue (Chat-style IDE assistant)

• Type: Chat assistant in IDE
• Supports: Code generation, debugging, web languages
• Open Source: ✅
• GitHub: https://github.com/continuedev/continue

7. Penpot + AI integrations

• Type: Open-source design tool
• Use Case: Not directly for code, but designs can be converted to HTML/CSS
• AI Use: Can be extended with plugins or used with external AI for code gen
• Open Source: ✅
• Website: https://penpot.app

8. GPT-Code-Clippy

• Type: Open-source version of GitHub Copilot
• Features: Code suggestion, trained on GitHub code
• Open Source: ✅
  *GitHub: https://github.com/CodedotAl/gpt-code-clippy

🧩 Bonus: Tools You Can Self-Host with AI Capabilities

• Ollama – Run models like LLaMA locally for coding assistance.
• https://ollama.com
  LM Studio – GUI to run open models locally and integrate with IDEs.
• https://lmstudio.ai
  AutoGen Studio (by Microsoft) – Build AI workflows including code agents.
• https://github.com/microsoft/autogen