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AI search engine and MCP server for bots and agents. One Rust binary indexes code, docs, logs, JSONL/CSV and PDFs for BM25 full-text, vector and hybrid search, code search without grep, agent memory and RAG. Elasticsearch-compatible API; Corpus Hub serves hundreds of reference memory corpora.
Win顺：免费开源的 Windows 快速搜索启动器。双击 Ctrl，拼音秒搜文件、全文搜索 Word/Excel/PDF、剪贴板历史（代替 Win+V）、对话框搜索、任务栏搜索、插件、AI 助手 MCP。Free Windows search launcher: pinyin file search, full-text search, clipboard history, MCP server. Everything/Listary alternative.
Tantivy is a full-text search engine library inspired by Apache Lucene and written in Rust
One Postgres for your application data, full-text search, vector retrieval, and aggregations. Home of the pg_search extension.
Embedded single-file knowledge graph database with vector search and full-text search for AI/RAG apps
The AI-native database built for LLM applications, providing incredibly fast hybrid search of dense vector, sparse vector, tensor (multi-vector), and full-text.
Open-source search database for full-text, vector, and hybrid search with real-time indexing and SQL.
PostgreSQL extension for BM25 relevance-ranked full-text search. Postgres OSS licensed.
Add support to complex resources of PostgreSQL, like data types, array associations, auxiliary statements (CTE), and full-text search (FTS)
OrientDB is the most versatile DBMS supporting Graph, Document, Reactive, Full-Text and Geospatial models in one Multi-Model product. OrientDB can run distributed (Multi-Master), supports SQL, ACID Transactions, Full-Text indexing and Reactive Queries.
Apache Lucene.NET is an open-source full-text search library written in C#, ported from the Apache Lucene project.
zhparser is a PostgreSQL extension for full-text search of Chinese language
newspaper3k is a news, full-text, and article metadata extraction in Python 3. Advanced docs:
A query and indexing engine for Redis, providing secondary indexing, full-text search, vector similarity search and aggregations.
scan paper documents 📄 from a scanner 🖨️ as PDFs to Google Drive for full-text search
Next-generation full-text search library for Browser and Node.js
Open-source document management platform leveraging AWS managed services. RESTful API for document storage, processing, full-text search, and metadata management. Multi-tenant serverless architecture with auto-scaling... deployed entirely in your AWS account.
Firebase Extension to automatically push Firestore documents to Typesense for full-text search with typo tolerance, faceting, and more
🌌 A complete search engine and RAG pipeline in your browser, server or edge network with support for full-text, vector, and hybrid search in less than 2kb.
Full-text and semantic search on any Postgres
Persistent memory for LLMs and apps. Content-addressed storage with dedupe, compression, full-text and vector search.
Buddhist Digital Text Platform — 9,200+ texts, 500+ sources, 8 UI languages, AI Q&A (RAG), knowledge graph, full-text search
The cost efficiency of S3 with the speed of local RAM. A multi-tenant vector and full-text search engine featuring a tiered RAM -> NVMe -> S3 architecture for microsecond latency on top of object storage
一个轻量快速的 Markdown 阅读器 / Markdown viewer & reader for Windows. Tauri 2 + Vue 3, 5MB, supports KaTeX math, Mermaid diagrams, syntax highlighting, full-text search, and WYSIWYG PDF export via Edge
**Deep memory for agents over large datasets.** Leviathan is a single static binary that turns your records (JSONL, JSON, CSV/TSV, SQLite, or anything a database CLI can export) into a ranked full-text index.
A fast, multi-threaded Redis® and Valkey alternative written in Rust: drop-in compatible, with full-text and vector search built in