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AI search, semantic search, and answer engines.
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Category lists combine GitHub search queries, repository topics, descriptions, and sync snapshots.
Ranking logic
Projects are filtered for category relevance, then ordered by stars and quality signals.
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46 projects
21 Lessons, Get Started Building with Generative AI
- Stars
- 112,368
- Growth
- -
- Language
- Jupyter Notebook
- Created
- 2023-06-19
The open and composable observability and data visualization platform. Visualize metrics, logs, and traces from multiple sources like Prometheus, Loki, Elasticsearch, InfluxDB, Postgres and many more.
- Stars
- 75,063
- Growth
- -
- Language
- TypeScript
- Created
- 2013-12-11
Graphs that teach > graphs that impress. Turn any code into an interactive knowledge graph you can explore, search, and ask questions about. Works with Claude Code, Codex, Cursor, Copilot, Gemini CLI, and more.
- Stars
- 68,787
- Growth
- -
- Language
- TypeScript
- Created
- 2026-03-15
A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.
- Stars
- 58,331
- Growth
- -
- Language
- Rust
- Created
- 2018-04-23
Graphs that teach > graphs that impress. Turn any code into an interactive knowledge graph you can explore, search, and ask questions about. Works with Claude Code, Codex, Cursor, Copilot, Gemini CLI, and more.
- Stars
- 54,953
- Growth
- -
- Language
- TypeScript
- Created
- 2026-03-15
Milvus is a high-performance, cloud-native vector database built for scalable vector ANN search
- Stars
- 44,998
- Growth
- -
- Language
- Go
- Created
- 2019-09-16
TiDB is built for agentic workloads that grow unpredictably, with ACID guarantees and native support for transactions, analytics, and vector search. No data silos. No noisy neighbors. No infrastructure ceiling.
- Stars
- 40,219
- Growth
- -
- Language
- Go
- Created
- 2015-09-06
Vane is an AI-powered answering engine.
- Stars
- 35,486
- Growth
- -
- Language
- TypeScript
- Created
- 2024-04-09
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.
- Stars
- 35,380
- Growth
- -
- Language
- Python
- Created
- 2021-08-16
Academic Research Skills for Claude Code: research → write → review → revise → finalize
- Stars
- 32,858
- Growth
- -
- Language
- Python
- Created
- 2026-02-26
Qdrant - High-performance, massive-scale Vector Database and Vector Search Engine for the next generation of AI. Also available in the cloud https://cloud.qdrant.io/
- Stars
- 32,748
- Growth
- -
- Language
- Rust
- Created
- 2020-05-30
Open Source AI Platform - AI Chat with advanced features that works with every LLM
- Stars
- 30,592
- Growth
- -
- Language
- Python
- Created
- 2023-04-27
This repository showcases various advanced techniques for Retrieval-Augmented Generation (RAG) systems. Each technique has a detailed notebook tutorial.
- Stars
- 28,243
- Growth
- -
- Language
- Jupyter Notebook
- Created
- 2024-07-13
Python scraper based on AI
- Stars
- 27,804
- Growth
- -
- Language
- Python
- Created
- 2024-01-27
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
- Stars
- 26,119
- Growth
- -
- Language
- C++
- Created
- 2017-01-18
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.
- Stars
- 25,770
- Growth
- -
- Language
- MDX
- Created
- 2019-11-14
TimesFM (Time Series Foundation Model) is a pretrained time-series foundation model developed by Google Research for time-series forecasting.
- Stars
- 25,620
- Growth
- -
- Language
- Python
- Created
- 2024-04-29
FinceptTerminal is a modern finance application offering advanced market analytics, investment research, and economic data tools, designed for interactive exploration and data-driven decision-making in a user-friendly environment.
- Stars
- 24,092
- Growth
- -
- Language
- Python
- Created
- 2024-08-29
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.
- Stars
- 17,956
- Growth
- -
- Language
- Python
- Created
- 2023-02-02
Open-source LLM knowledge platform: turn raw documents into a queryable RAG, an autonomous reasoning agent, and a self-maintaining Wiki.
- Stars
- 17,455
- Growth
- -
- Language
- Go
- Created
- 2025-07-22
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.
- Stars
- 16,454
- Growth
- -
- Language
- Go
- Created
- 2016-03-30
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.
- Stars
- 15,695
- Growth
- -
- Language
- Rust
- Created
- 2025-05-27
Fully autonomous & self-evolving research from idea to paper. Chat an Idea. Get a Paper. 🦞
- Stars
- 12,930
- Growth
- -
- Language
- Python
- Created
- 2026-03-15
💡 All-in-one AI framework for semantic search, LLM orchestration and language model workflows
- Stars
- 12,683
- Growth
- -
- Language
- Python
- Created
- 2020-08-09
[MLsys2026]: RAG on Everything with LEANN. Enjoy 97% storage savings while running a fast, accurate, and 100% private RAG application on your personal device.
- Stars
- 12,606
- Growth
- -
- Language
- Python
- Created
- 2025-06-09
A vector index built on TurboQuant, written in Rust with Python bindings
- Stars
- 12,339
- Growth
- -
- Language
- Python
- Created
- 2026-03-26
Chrome MCP Server is a Chrome extension-based Model Context Protocol (MCP) server that exposes your Chrome browser functionality to AI assistants like Claude, enabling complex browser automation, content analysis, and semantic search.
- Stars
- 12,001
- Growth
- -
- Language
- TypeScript
- Created
- 2025-06-09
Code search MCP for Claude Code. Make entire codebase the context for any coding agent.
- Stars
- 11,990
- Growth
- -
- Language
- TypeScript
- Created
- 2025-06-06
[MLsys2026]: RAG on Everything with LEANN. Enjoy 97% storage savings while running a fast, accurate, and 100% private RAG application on your personal device.
- Stars
- 11,810
- Growth
- -
- Language
- Python
- Created
- 2025-06-09
Scira (Formerly MiniPerplx) is a minimalistic AI-powered search engine that helps you find information on the internet and cites it too. Powered by Vercel AI SDK!
- Stars
- 11,731
- Growth
- -
- Language
- TypeScript
- Created
- 2024-08-07