ChatGPT is synonymous with AI chat, but data being sent to OpenAI servers and API costs are concerns for some. devpick lists OSS alternatives that run locally without sending data externally.
- Local LLM execution via Ollama keeping all data on your machine
- ChatGPT-like UI with Open WebUI providing an equivalent conversational interface
- RAG support in AnythingLLM for building knowledge bases from internal documents
- Visual workflows in Flowise for building AI apps with drag-and-drop
- Multi-model switching between OpenAI, Anthropic, Ollama, and other LLMs
3 tools
ollama
180,272GoMIT
Get up and running with Kimi-K2.6, GLM-5.2, MiniMax, DeepSeek, gpt-oss, Qwen, Gemma and other models.
Free
open-webui
151,096PythonNOASSERTION
User-friendly AI Interface (Supports Ollama, OpenAI API, ...)
Free
anything-llm
65,681JavaScriptMIT
Stop renting your intelligence. Own it with AnythingLLM. Everything you need for a powerful local-first agent experience
Open Core
How to Choose
For local LLM execution choose Ollama plus Open WebUI, for internal document RAG choose AnythingLLM, and for AI workflow building choose Flowise.