Flexsearch alternatives for AI agents.

A fully featured full text search engine written in PHP

Tiny and powerful JavaScript full-text search engine for browser and Node

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

Universal personal search engine, powered by a full text search algorithm written in pure Ink, indexing Linus's blogs and private note archives, contacts, tweets, and over a decade of journals.

The open source code of this project is used for userscripts (油猴脚本) for desktop browsers, including Font Rendering (Customized) (字体渲染（自用脚本）- Font Rendering.user.js), and Search Engine Assistant (优雅的搜索引擎助手 - Google & Baidu Switcher.user.js), etc.

Free and Open Source, Distributed, RESTful Search Engine

Easy to use open source fast database for search | Good alternative to Elasticsearch | Drop-in replacement for E in the ELK stack

ACID Document Database

Native CSS search engine

SearXNG is a free internet metasearch engine which aggregates results from various search services and databases. Users are neither tracked nor profiled.

💾 dn - offline full-text search and archiving for your Chromium-based browser.

🦔 Fast, lightweight & schema-less search backend. An alternative to Elasticsearch that runs on a few MBs of RAM.

Tantivy is a full-text search engine library inspired by Apache Lucene and written in Rust

Cloud-native search engine for observability. An open-source alternative to Datadog, Elasticsearch, Loki, and Tempo.

🔎 Open source distributed and RESTful search engine.

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!