Yapgan: Your AI-Powered Second Brain

Yapgan is an AI-powered tool designed to help users build a second brain with superpowers by capturing knowledge from anywhere and searching it with advanced AI. It empowers individuals and teams to organize, retrieve, and share information efficiently through features like AI-powered chat with notes, semantic search, and a knowledge graph with wikilinks. With automatic versioning, a visual timeline, and a diff viewer, users can track changes and maintain a structured knowledge base. Built with GPT-5 nano for intelligent responses, Yapgan enables one-click capture from any webpage via a side panel and supports public note sharing with SEO-friendly URLs and beautiful markdown rendering. A self-hosted option ensures full control over your data.

Key Features:

• AI-Powered Chat with Notes: Interact with your notes using natural language.
• Semantic Search: Find information using context, not just keywords.
• Knowledge Graph with Wikilinks: Organize notes into interconnected knowledge.
• Automatic Versioning: Track changes with a visual timeline and diff viewer.
• GPT-5 Nano Integration: Get intelligent AI responses from your notes.
• One-Click Web Capture: Save content from any webpage instantly.
• Public Note Sharing: Share notes publicly with SEO-friendly URLs and beautiful markdown.
• Self-Hosted Option: Maintain full control over your data and infrastructure.

Pricing: Yapgan offers a freemium model with both free and paid tiers available.

Conclusion: Yapgan is a powerful, intelligent knowledge management tool that transforms how individuals and teams capture, organize, and retrieve information, making it an essential tool for anyone looking to enhance their productivity and memory with AI.