microsoft/generative-ai-for-beginners
21 Lessons, Get Started Building with Generative AI
Topic: semantic-search
8,652 repositories
meilisearch/meilisearch
A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.
khoj-ai/khoj
Your AI second brain. Self-hostable. Get answers from the web or your docs. Build custom agents, schedule automations, do deep research. Turn any online or local LLM into your personal, autonomous AI (gpt, claude, gemini, llama, qwen, mistral). Get started - free.
Tencent/WeKnora
Open-source LLM knowledge platform: turn raw documents into a queryable RAG, an autonomous reasoning agent, and a self-maintaining Wiki.
NirDiamant/RAG_Techniques
This repository showcases various advanced techniques for Retrieval-Augmented Generation (RAG) systems. Each technique has a detailed notebook tutorial.
deepset-ai/haystack
Open-source AI orchestration framework for building context-engineered, production-ready LLM applications. Design modular pipelines and agent workflows with explicit control over retrieval, routing, memory, and generation. Built for scalable agents, RAG, multimodal applications, semantic search, and conversational systems.
typesense/typesense
Open Source alternative to Algolia + Pinecone and an Easier-to-Use alternative to ElasticSearch ⚡ 🔍 ✨ Fast, typo tolerant, in-memory fuzzy Search Engine for building delightful search experiences
arc53/DocsGPT
Private AI platform for agents, assistants and enterprise search. Built-in Agent Builder, Deep research, Document analysis, Multi-model support, and API connectivity for agents.
weaviate/weaviate
Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database.
memvid/memvid
Memory layer for AI Agents. Replace complex RAG pipelines with a serverless, single-file memory layer. Give your agents instant retrieval and long-term memory.
alibaba/zvec
A lightweight, lightning-fast, in-process vector database
semantica-agi/semantica
Graph-Native Infrastructure for Context and Accountable AI Systems
neuml/txtai
💡 All-in-one AI framework for semantic search, LLM orchestration and language model workflows
zilliztech/claude-context
Code search MCP for Claude Code. Make entire codebase the context for any coding agent.
cocoindex-io/cocoindex
Incremental engine for long horizon agents 🌟 Star if you like it!
lancedb/lancedb
Developer-friendly OSS embedded retrieval library for multimodal AI. Search More; Manage Less.
paradedb/paradedb
One Postgres for your application data, full-text search, vector retrieval, and aggregations. Home of the pg_search extension.
zilliztech/GPTCache
Semantic cache for LLMs. Fully integrated with LangChain and llama_index.
deeplethe/utopia
World's first open-source enterprise world model.
airweave-ai/airweave
Open-source context retrieval layer for AI agents
asciimoo/hister
Your own search engine
brianpetro/obsidian-smart-connections
Find related notes and excerpts while writing. Your link building copilot displays relevant content in graph + list view. A local embedding model powers semantic search. Zero setup. No API key.
superduper-io/superduper
Superduper: End-to-end framework for building custom AI applications and agents.
54yyyu/zotero-mcp
Zotero MCP: Connects your Zotero research library with Claude and other AI assistants via the Model Context Protocol to discuss papers, get summaries, analyze citations, and more.
vitali87/code-graph-rag
The ultimate RAG for your monorepo. Query, understand, and edit multi-language codebases with the power of AI and knowledge graphs
ssrajadh/sentrysearch
Semantic search over videos using Gemini Embedding 2 or Qwen3-VL.
unum-cloud/USearch
Fast Open-Source Search & Clustering engine × for Vectors & Arbitrary Objects × in C++, C, Python, JavaScript, Rust, Java, Objective-C, Swift, C#, GoLang, and Wolfram 🔍
zvec-ai/zvec-grep
Local-first search across your workspace, built for humans and AI agents.
aiming-lab/SimpleMem
[ICML'26] SimpleMem: Efficient Lifelong Memory for LLM Agents — Text & Multimodal
AmintaCCCP/GithubStarsManager
AI-powered GitHub stars manager with semantic search, auto-categorization, and release tracking