search

A supercharged version of paperless: scan, index and archive all your physical documents

OpenGrok is a fast and usable source code search and cross reference engine, written in Java

The go-to web for your AI coding agent — local-first search, fetch, crawl & research over MCP. No API keys, no cloud, $0/query. Public beta.

GritQL is a query language for searching, linting, and modifying code.

A full-text search engine in rust

Apache Lucene open-source search software

Up to 100x faster strings for C, C++, CUDA, Python, Rust, Swift, JS, & Go, leveraging NEON, AVX2, AVX-512, SVE, GPGPU, & SWAR to accelerate search, hashing, sorting, edit distances, sketches, and memory ops 🦖

Everything search plugin for PowerToys Run

A fully featured full text search engine written in PHP

AI Search & RAG Without Moving Your Data. Get instant answers from your company's knowledge across 100+ apps while keeping data secure. Deploy in minutes, not months.

Run OpenAI's CLIP and Apple's MobileCLIP model on iOS to search photos.

A metasearch library that aggregates results from diverse web search services

🔎 Impossibly fast web search, made for static sites.

All-in-one platform for search, recommendations, RAG, and analytics offered via API

Awesome Deep Learning papers for industrial Search, Recommendation and Advertisement. They focus on Embedding, Matching, Pre-Ranking, Ranking, Post Ranking, Relevance, LLM and RL. Please cite our paper "Deep Learning to Rank in Industrial Search Engines, Recommender Systems, and Online Advertising - An Overview and New Perspectives" (TOIS 2026).

An open source approach to locally record and enable searching everything you view on your Mac.

A low code Machine Learning personalized ranking service for articles, listings, search results, recommendations that boosts user engagement. A friendly Learn-to-Rank engine

Apache Lucene.NET is an open-source full-text search library written in C#, ported from the Apache Lucene project.

A php trait to search laravel models

Your own search engine