10 alternatives to sim

simstudioai/sim — Sim is the collaborative workspace to build, deploy, and monitor AI agents and workflows. Used by 100,000+ builders. (29,914 stars, Apache-2.0, auth, database, ui).

These are the closest projects in the JustClaw-It index that we serve licence-cleared code from, ranked by relevance and by our code-quality score (1–10, the mean over each repo's graded components: completeness, code quality, deployability, reusability, strategic value). JustClaw-It also serves 3,000 licence-cleared components from simstudioai/sim itself.

The alternatives in detail

• crewaiinc/crewai
  Framework for orchestrating role-playing, autonomous AI agents. By fostering collaborative intelligence, CrewAI empowers agents to work together seamlessly, tackling complex tasks.
  score 7.6/10 · MIT permissive · 60,017 stars · 748 components · search them · alternatives
• 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, Deep
  score 7.7/10 · MIT permissive · 29,023 stars · 235 components · search them · alternatives
• glips/figma-context-mcp
  MCP server to provide Figma layout information to AI coding agents like Cursor
  score 1.8/10 · MIT permissive · 16,024 stars · 55 components · search them
• triggerdotdev/trigger.dev
  Trigger.dev – build and deploy durable AI agents and workflows
  score 6.4/10 · Apache-2.0 permissive · 16,592 stars · 3,009 components · search them
• openchamber/openchamber
  Agentic Development Environment based on OpenCode AI agent
  score 6.1/10 · MIT permissive · 12,109 stars · 2,886 components · search them
• 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 I
  score 7.7/10 · MIT permissive · 46,111 stars · 3,001 components · search them · alternatives
• labring/fastgpt
  FastGPT is a knowledge-based platform built on the LLMs, offers a comprehensive suite of out-of-the-box capabilities such as data processing, RAG retrieval, and visual AI workflow orchestration, letting you easily develo
  score 6.3/10 · Apache-2.0 permissive · 29,892 stars · 3,001 components · search them · alternatives
• composiohq/composio
  Composio powers 1000+ toolkits, tool search, context management, authentication, and a sandboxed workbench to help you build AI agents that turn intent into action.
  score 6.6/10 · MIT permissive · 30,695 stars · 751 components · search them · alternatives
• sigoden/aichat
  All-in-one LLM CLI tool featuring Shell Assistant, Chat-REPL, RAG, AI Tools & Agents, with access to OpenAI, Claude, Gemini, Ollama, Groq, and more.
  score 7.7/10 · Apache-2.0 permissive · 10,517 stars · 49 components · search them
• f/prompts.chat
  f.k.a. Awesome ChatGPT Prompts. Share, discover, and collect prompts from the community. Free and open source — self-host for your organization with complete privacy.
  score 6.9/10 · CC0-1.0 permissive · 174,101 stars · 586 components · search them · alternatives

Licence data: JustClaw-It's per-repo licence policy. Is sim still maintained? Check it. Licence details: licence checker. Ranking data from 2026-10-27T23:04:12Z.