-   So is OllamaThe easiest way to get up and running with large language models ★ 154.8K LLM AI License: MITOllama is a platform that makes it easy to get up and running with large language models. It provides a simple API to interact with the models, and you can use it to generate text, answer questions, and more. 
-   So is Open WebUIA user-friendly interface for AI chat ★ 113.5K LLM AI RAG Chatbot License: MITAn extensible, feature-rich, and user-friendly self-hosted WebUI designed to operate entirely offline. It supports various LLM runners, including Ollama and OpenAI-compatible APIs.  
-   So is LobeChatOpen-source, modern-design AI chat framework ★ 67.2K LLM AI RAG Chatbot License: Apache-2.0 (with a twist)An open-source, modern-design ChatGPT/LLMs UI/Framework that supports speech-synthesis, multi-modal, and extensible (function call) plugin system. 
-   So is AnythingLLMThe all-in-one AI app you were looking for ★ 50.4K LLM AI RAG Chatbot License: MITTurn any document, resource, or piece of content into context that any LLM can use as references during chatting. 
-   So is OnyxCăutare enterprise open-source și asistent AI cu capacități avansate de recuperare ★ 15.6K AI Chat RAG Search LLM Enterprise License: MITOnyx (fostul Danswer) este o platformă open-source pentru căutare enterprise și asistent AI care se conectează la documentele, aplicațiile și persoanele companiei tale.  
-   So is KhojYour AI second brain ★ 31.4K LLM AI RAG Chatbot License: AGPL-3.0Khoj is a personal AI app to extend your capabilities. It smoothly scales up from an on-device personal AI to a cloud-scale enterprise AI.  
-   So is LiteLLMProxy Server to call 100+ LLMs in the OpenAI format ★ 30.3K AI LLM License: MITCall all LLM APIs using the OpenAI format [Bedrock, Huggingface, VertexAI, TogetherAI, Azure, OpenAI, Groq etc.] 
Sure, Claude is awesome.
But have you considered these open source alternatives?
They are free, self-hostable and community-driven.
Check by yourself: Ollama , Open WebUI , LobeChat , AnythingLLM , Onyx , Khoj , LiteLLM .