Nixiesearch alternatives for AI agents.

🔎 Open source distributed and RESTful search engine.

Developer-friendly OSS embedded retrieval library for multimodal AI. Search More; Manage Less.

Apache Lucene open-source search software

Free and Open Source, Distributed, RESTful Search Engine

🦔 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

21 Lessons, Get Started Building with Generative AI

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

This repository showcases various advanced techniques for Retrieval-Augmented Generation (RAG) systems. Each technique has a detailed notebook tutorial.

Private AI platform for agents, assistants and enterprise search. Built-in Agent Builder, Deep research, Document analysis, Multi-model support, and API connectivity for agents.

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

Memory layer for AI Agents. Replace complex RAG pipelines with a serverless, single-file memory layer. Give your agents instant retrieval and long-term memory.

Weaviate is an open-source vector database that stores both objects and vectors, allowing for the combination of vector search with structured filtering with the fault tolerance and scalability of a cloud-native database​.

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

A fast file search utility for Unix-like systems based on GTK3

Open-source LLM knowledge platform: turn raw documents into a queryable RAG, an autonomous reasoning agent, and a self-maintaining Wiki.