Knowledge-Base

A 2026 guide covers Microsoft's GraphRAG, an open-source graph-based retrieval-augmented generation system with 33K GitHub stars, alongside other tools like AnythingLLM, RAGFlow, and Arize AI Phoenix for building LLM-powered knowledge bases and observability pipelines.

GraphRAG: Microsoft's Graph-Based RAG for Better LLM Answers 33K Stars — Practical 2026 Guide2 June 2026·8 mins The Knowledge Base Stack 2026: Build Your "Second Brain" with AnythingLLM + RAGFlow + mem0 $10-25/Month 21 May 2026·9 mins Alpaca Trading API 2026: The Commission-Free Stock Brokerage API for Algorithmic Trading — Setup Guide20 May 2026·1 min Arize AI Phoenix: The Open-Source LLM Observability Tool Tracing 100% of Your RAG Pipeline — 2026 Guide19 May 2026·13 mins Chroma DB 2026: The Developer-Friendly Vector Database for RAG with 50x Faster Embeddings — Python Guide19 May 2026·13 mins Haystack 2026: The End-to-End NLP Framework for Production RAG & Agent Pipelines \u2014 Setup Guide19 May 2026·14 mins pgvector 2026: Turn PostgreSQL into a High-Performance Vector Database — Setup, Tuning & RAG Integration Guide19 May 2026·15 mins