Vector Search GitHub Repositories (2026) · Open Source Tools

Spotlight-style local search for everything you saved and forgot: GitHub stars, local files, images, and bookmarks. Privacy-first, no full-disk scanning, fully on-device.

Embedded retrieval library built on Parquet. Fast, efficient, and scalable.

The AI search platform

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

Give your agent a proper IDE and OS. The sensorimotor cortex for coding agents (OpenCode + Pi), part of CortexKit: symbol-aware edits, semantic search, code health, fast grep/glob, bash compression, background tasks, PTY.

💡 All-in-one AI framework for semantic search, LLM orchestration and language model workflows

OceanBase is the unified distributed database for the AI era — open-source, multi-model, one engine for your most demanding workloads.

Local code search combining BM25, vector similarity, and cross-encoder reranking. Parses 60+ languages with tree-sitter, runs entirely offline, and returns structured results with file paths, line ranges, and symbol metadata. Built in Rust.

Agentic Voice Notes for iPhone and macOS - Rust, Dioxus, LanceDB + RIG + SQLite

Shared Single-file memory layer for all your agents, sub mili-second RAG over text, photo and video on Apple Silicon.. No Server. No API. One File. Pure Swift

Build LLM-powered applications in Ruby

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

Apache Pinot: a real-time analytics database for low-latency SQL and vector search, serving user-facing and agent-facing applications

Go Open Source, Distributed, Simple and efficient text/vector Search Engine

Local AI-powered document search and editing with first-in-class hybrid retrieval, LLM answers, WebUI, REST API and MCP support for AI clients.

JSON-native TypeScript ORM for Bun, Browsers, Edge, Deno, Node, Workers

LakeSoul is an end-to-end, realtime cloud-native Lakehouse framework for fast data ingestion, concurrent updates, incremental analytics, multimodal data processing and vector search — powering next-generation BI and AI workloads.

valkey-search is a C++ module which extends valkey with vector search and secondary indexing capabilities. It enables users to index and query data stored in Valkey using complex queries with filters while maintaining high performance and scalability.

A new SOTA for RAG — an original retrieval architecture and an open-source knowledge base for humans and agents.

JVector: the most advanced embedded vector search engine