#1
Curated list of the best truly open-source AI projects, models, tools, and infrastructure.
3.8K starsJun 8, 2026 pushdataPythonRAG
$ npx skills add alvinreal/awesome-opensource-aiAlternatives
Sim alternatives for AI agents.
Compare similar skills by workflow fit, trust score, quality, GitHub adoption, maintenance, and install readiness.
Current skill
Sim
Build, deploy, and orchestrate AI agents. Sim is the central intelligence layer for your AI workforce.
100
Quality
100
Trust
29K
Stars
#2
Technical resources for AI developers to build applications, agents, and systems using Oracle AI Database and OCI services
3.8K starsJun 5, 2026 pushdataJupyter NotebookRAG
$ npx skills add oracle-devrel/oracle-ai-developer-hub#3
A visual playground for agentic workflows: Iterate over your agents 10x faster
5.7K starsMay 25, 2026 pushdataTypeScriptRAG
$ npx skills add PySpur-Dev/pyspur#4
AI system design guide for engineers building production AI systems and evals.
1.7K starsJun 9, 2026 pushdataRAGClaude Code
$ npx skills add ombharatiya/ai-system-design-guide#5
The pretty much "official" DSPy framework for Typescript
2.8K starsJun 6, 2026 pushdataTypeScriptRAG
$ npx skills add ax-llm/ax#6
面向长篇小说创作的 AI Native 开源系统，用 Agent、世界观、写法引擎、RAG 和整本生产工作流，帮助新手从一句灵感走到完整小说。AI-native engine for end-to-end novel creation — from idea to full chapters, with structured planning, worldbuilding, and agent-driven workflows.
1.6K starsJun 10, 2026 pushdataTypeScriptRAG
$ npx skills add ExplosiveCoderflome/AI-Novel-Writing-Assistant#7
Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Built for scalable agents, RAG, multimodal applications, semantic search, and conversational systems.
25K starsJun 5, 2026 pushdataMDXRAG
$ npx skills add deepset-ai/haystack#8
An open source, privacy focused alternative to NotebookLM for teams with no data limits. Join our Discord: https://discord.gg/ejRNvftDp9
14K starsJun 5, 2026 pushdataPythonRAG
$ npx skills add MODSetter/SurfSense#9
Open source agentic operating system
19K starsJun 10, 2026 pushdataTypeScriptRAG
$ npx skills add elizaOS/eliza#10
Spec-driven development for large codebases
5.4K starsJun 8, 2026 pushdataPythonRAG
$ npx skills add potpie-ai/potpie#11
GenAI Cookbook
4.2K starsMay 22, 2026 pushdataJupyter NotebookRAG
$ npx skills add mongodb-developer/GenAI-Showcase#12
Harness LLMs with Multi-Agent Programming
4.0K starsJun 10, 2026 pushdataPythonRAG
$ npx skills add langroid/langroid#13
PipesHub is a fully extensible and explainable workplace AI platform for enterprise search and workflow automation
3.0K starsJun 9, 2026 pushdataPythonRAG
$ npx skills add pipeshub-ai/pipeshub-ai#14
Local-first AI job intelligence workbench for scraping roles, ranking fit, and generating tailored application materials.
2.0K starsJun 7, 2026 pushdataPythonRAG
$ npx skills add vasu-devs/JustHireMe#15
A community-driven collection of RAG (Retrieval-Augmented Generation) frameworks, projects, and resources. Contribute and explore the evolving RAG ecosystem.
1.7K starsMay 26, 2026 pushdataRAGClaude Code
$ npx skills add Andrew-Jang/RAGHub#16
An AI-powered custom node for ComfyUI designed to enhance workflow automation and provide intelligent assistance
5.3K starsApr 7, 2026 pushdataTypeScriptRAG
$ npx skills add AIDC-AI/ComfyUI-CopilotHow to choose
When should you switch?
Use an alternative when it has a clearer install path, higher trust score, fresher maintenance, or better platform fit for your current agent stack. Keep Sim if it already passes your workflow test and repository review.
Next step
Compare top candidates side by side
Open the compare page, test the install commands in a sandbox, and check each repository before using a skill in production.