sim alternatives
simstudioai/sim is a Claude subagent with 29.6k stars and a 100/100 Trust Score. It is a solid option, but not the only one: these are the 8 strongest picks in the same category, compared by Trust Score, maintenance and community.
- 1langchain-ai/langchain146.1k
The agent engineering platform.
Much larger community: 146,149 stars.Install - 2yamadashy/repomix28.3k
📦 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.
Verified tier, Trust 100/100.Install - 3
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
Much larger community: 64,923 stars.Install - 4
Extracted system prompts from Anthropic - Claude Fable 5.1, Opus 5, Claude Design, Claude Code. OpenAI - ChatGPT GPT-6-Astra, Codex. Google - Gemini 3.8 Flash, 3.1 Pro, Antigravity. xAI - Grok, Grok Bot, Cursor, Kimi and more! Updated regularly.
Much larger community: 64,911 stars.Install - 5AstrBotDevs/AstrBot40.4k
AI Agent Assistant & development framework that integrates lots of IM platforms, LLMs, plugins and AI feature, and can be your openclaw alternative. ✨
Verified tier, Trust 100/100.Install - 6
Persistent Context Across Sessions for Every Agent – Captures everything your agent does during sessions, compresses it with AI, and injects relevant context back into future sessions. Works with Claude Code, OpenClaw, Codex, Gemini, Hermes, Copilot, OpenCode + More
Much larger community: 93,700 stars.Install - 7ComposioHQ/composio30.1k
Composio powers 1000+ toolkits, tool search, context management, authentication, and a sandboxed workbench to help you build AI agents that turn intent into action.
Verified tier, Trust 100/100.Install - 8crmne/ruby_llm4.4k
One delightful Ruby framework for every major AI provider. Build AI agents, chatbots, RAG apps, and multimodal workflows in beautiful, expressive code.
Verified tier, Trust 100/100.Install
Comparison generated from directory data (Trust Score, stars, activity), refreshed daily. sim last activity: today.