xerj-org / xerj

Local-first search engine and MCP server for AI 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.

meilisearch / meilisearch

A lightning-fast search engine API bringing AI-powered hybrid search to your sites and applications.

qdrant / qdrant

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/

valeriansaliou / sonic

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

quickwit-oss / tantivy

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

quickwit-oss / quickwit

Cloud-native OSS search engine for observability

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.

RediSearch / RediSearch

A query and indexing engine for Redis, providing secondary indexing, full-text search, vector similarity search and aggregations.

SeekStorm / SeekStorm

SeekStorm: vector & lexical search - in-process library & multi-tenancy server, in Rust.

neon-mmd / websurfx

:rocket: An open source alternative to searx which provides a modern-looking :sparkles:, lightning-fast :zap:, privacy respecting :disguised_face:, secure :lock: meta search engine

Jakedismo / codegraph-rust

100% Rust implementation of code graphRAG with blazing fast AST+FastML parsing, surrealDB backend and advanced agentic code analysis tools through MCP for efficient code agent context management

probelabs / probe

AI-friendly semantic code search engine for large codebases. Combines ripgrep speed with tree-sitter AST parsing. Powers AI coding assistants with precise, context-aware code understanding.

alex09x / kyb

Git-backed shared memory for AI agent fleets: searchable knowledge base, incident and task tracking, every write versioned and attributed. CLI, HTTP API and MCP server.

vincenzo-afk / NEXUS-ENGINE

A full-featured search engine in Rust. Local filesystem + web crawl, BM25+PageRank ranking, BPE query language, bangs, Tor mode, HTTP/WebSocket API, and a privacy-first frontend.