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Dify is an open-source LLM app development platform. Dify's intuitive interface combines AI workflow, RAG pipeline, agent capabilities, model management, observability features and more, letting you quickly go from prototype to production.

X-Ray Vision for your infrastructure!

GPT4All: Run Local LLMs on Any Device. Open-source and available for commercial use.

? Lobe Chat - an open-source, modern-design AI chat framework. Supports Multi AI Providers( OpenAI / Claude 3 / Gemini / Ollama / DeepSeek / Qwen), Knowledge Base (file upload / knowledge management / RAG ), Multi-Modals (Plugins/Artifacts) and Thinking. One-click FREE deployment of your private ChatGPT/ Claude / DeepSeek application.

The Patterns of Scalable, Reliable, and Performant Large-Scale Systems

ChatGPT 中文调教指南。各种场景使用指南。学习怎么让它听你的话。

Build like a team of hundreds_

30 days of Python programming challenge is a step-by-step guide to learn the Python programming language in 30 days. This challenge may take more than100 days, follow your own pace. These videos may help too: https://www.youtube.com/channel/UC7PNRuno1rzYPb1xLa4yktw

Meteor, the JavaScript App Platform

An open-source & self-hostable Heroku / Netlify / Vercel alternative.