The best open-codesign alternatives

chatbox

chatboxai/chatbox

Powerful AI Client

Choose chatbox if…

• GNU General Public License v3.0 suits your use better than MIT License
• you want the more widely starred option (42.3k)
• you specifically need assistant or chatbot

Shares claude, claude-code, deepseek, gemini with open-codesign.

opencodex

lidge-jun/opencodex

Universal provider proxy for OpenAI Codex & Claude Code — use any LLM (Claude, Gemini, Grok, DeepSeek, Ollama…) with Codex CLI, App, SDK, and Claude Code

Choose opencodex if…

• you want the more widely starred option (18.4k)
• you specifically need ai-gateway or ai-tools

Shares anthropic, claude, claude-code, deepseek with open-codesign.

open-multi-agent

open-multi-agent/open-multi-agent

Self-hosted TypeScript agent runtime with durable approvals and verifiable run records. Own it, approve it, audit it.

Choose open-multi-agent if…

• you specifically need agent-framework or agent-orchestration

Shares anthropic, claude, claude-code, deepseek with open-codesign.

deepchat

ThinkInAIXYZ/deepchat

🐬DeepChat - A smart assistant that connects powerful AI to your personal world

Choose deepchat if…

• Apache License 2.0 suits your use better than MIT License
• you want something your agent can install directly rather than a library to wire up yourself
• you specifically need agent or agent-skills

Shares claude, deepseek, electron, gemini with open-codesign.

LibreChat

danny-avila/LibreChat

Enhanced ChatGPT Clone: Features Agents, MCP, Skills, DeepSeek, Anthropic, AWS, OpenAI, Responses API, Azure, Groq, o1, GPT-5, Mistral, OpenRouter, Vertex AI, Gemini, Artifacts, AI model switching, message search, Code Interpreter, langchain, DALL-E-3, OpenAPI Actions, Functions, Secure Multi-User Auth, Presets, open-source for self-hosting. Active

Choose LibreChat if…

• you want the more widely starred option (47.1k)
• you specifically need ai or artifacts

Shares anthropic, claude, deepseek, gemini with open-codesign.

open-design

nexu-io/open-design

🎨 Best DeepSeek Harness Design Plugin. The open-source Claude Design alternative. 🖥️ Local-first desktop app. 🖼️ Your coding agent becomes the design engine: prototypes, landing pages, dashboards, slides, images & video — real files, HTML/PDF/PPTX/MP4 export. 🤖 Claude Code / Codex / Cursor / DeepSeek Harness / OpenCode & 20+ CLIs via BYOK.

Choose open-design if…

• Apache License 2.0 suits your use better than MIT License
• you want something your agent can install directly rather than a library to wire up yourself
• you want the more widely starred option (107.4k)
• you specifically need agent-skills or claude-code-for-design

Shares ai-design, byok, claude-design, deepseek with open-codesign.

OmniRoute

diegosouzapw/OmniRoute

Never stop coding. Free MIT AI gateway: one endpoint, 352 providers (150+ free), 1200+ models Kimi, Claude, GPT, Gemini, GLM, DeepSeek, MiniMax. Works with Claude Code, Codex, Cursor, OpenCode, Cline & Copilot. Quota-aware auto-fallback, RTK+Caveman compression saves 15-95% tokens, MCP/A2A, Desktop/PWA. Built by 550+ contributors

Choose OmniRoute if…

• you want the more widely starred option (86.9k)
• you specifically need a2a or ai-agents

Shares anthropic, claude, claude-code, deepseek with open-codesign.

repomix

yamadashy/repomix

📦 Repomix is a powerful tool that packs your entire repository into a single, AI-friendly file. Perfect for when you need to feed your codebase to Large Language Models (LLMs) or other AI tools like Claude, ChatGPT, DeepSeek, Perplexity, Gemini, Gemma, Llama, Grok, and more.

Choose repomix if…

• you want the more widely starred option (29.3k)
• you specifically need ai or artificial-intelligence

Shares anthropic, claude, deepseek, gemini with open-codesign.

dyad

dyad-sh/dyad

Local, open-source AI app builder for power users ✨ v0 / Lovable / Replit / Bolt alternative 🌟 Star if you like it!

Choose dyad if…

• you want the more widely starred option (22.3k)
• you specifically need ai-app-builder or artificial-intelligence

Shares anthropic, deepseek, gemini, ollama with open-codesign.

cc-haha

NanmiCoder/cc-haha

Local-first cross-platform desktop workspace for Claude Code / agents: multi-agent, Git worktrees, code diffs, skill marketplace, multi-model, Computer Use, task-aware desktop pets, with WeChat, Feishu, DingTalk, Telegram, WhatsApp and H5 access.

Choose cc-haha if…

• you want the more widely starred option (15.4k)
• you specifically need agent or ai

Shares anthropic, claude, claude-code, desktop-app with open-codesign.

codecompanion.nvim

olimorris/codecompanion.nvim

✨ AI Coding, Vim Style

Choose codecompanion.nvim if…

• you would rather work in Lua than TypeScript
• Apache License 2.0 suits your use better than MIT License
• you want something your agent can install directly rather than a library to wire up yourself
• you specifically need acp or agent

Shares anthropic, claude-code, deepseek, gemini with open-codesign.

CodePilot

op7418/CodePilot

A multi-model AI agent desktop client — connect any AI provider, extend with MCP & skills, control from your phone. Built with Electron + Next.js.

Choose CodePilot if…

• you specifically need ai or electron

Shares anthropic, claude, claude-code, desktop-app with open-codesign.