Showing 318 open source projects for "indexing search"

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  • 1
    Search-Index

    Search-Index

    A persistent, network resilient, full text search library

    Search-Index is a lightweight and fast JavaScript-based search engine that enables full-text search indexing and retrieval for web applications.
    Downloads: 0 This Week
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  • 2
    RATS Search

    RATS Search

    BitTorrent P2P multi-platform search engine for Desktop

    Rats Search is a cross-platform search tool for torrent indexing across multiple BitTorrent DHT networks. It provides a GUI for searching decentralized torrent metadata in real time without relying on centralized indexes. Built with Electron and Vue.js, Rats Search emphasizes decentralization and anonymity, allowing users to explore content from distributed sources such as the BitTorrent Mainline DHT and WebTorrent.
    Downloads: 95 This Week
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  • 3
    GitHub search with Manticore Search

    GitHub search with Manticore Search

    Demo: GitHub search with Manticore Search

    GitHub search with Manticore Search. The Manticore GitHub Issue Search tool allows users to search through GitHub issues using Manticore Search, a powerful full-text search engine designed for large datasets and real-time processing. It integrates Manticore's capabilities with GitHub to offer fast and efficient searches within repositories.
    Downloads: 0 This Week
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  • 4
    Text Search Engine

    Text Search Engine

    A text search engine that supports mixed Chinese and English search

    Text-Search-Engine is a JavaScript-based lightweight search engine that enables full-text search functionality. It allows developers to implement fast search indexing and retrieval in web applications.
    Downloads: 0 This Week
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  • 5
    pg_textsearch

    pg_textsearch

    PostgreSQL extension for BM25 relevance-ranked full-text search

    The pg_textsearch project is a PostgreSQL extension designed to enhance full-text search capabilities within the database environment. It provides tools and optimizations for indexing and querying textual data efficiently, enabling developers to build search functionality directly into their applications without relying on external search engines. The extension integrates with PostgreSQL’s native indexing mechanisms, allowing for scalable and performant search operations across large datasets. ...
    Downloads: 0 This Week
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  • 6
    Spotweb

    Spotweb

    Decentralized community

    Spotweb is an open-source PHP-based web interface for the Usenet indexing service Spotnet, allowing users to search, browse, and download NZBs from Usenet content feeds. It provides a full-featured, self-hosted Usenet indexing system that supports user accounts, moderation, comments, and custom filtering. Spotweb makes it easy for users to run their own NZB indexing server and integrates with download clients like SABnzbd or NZBGet.
    Downloads: 13 This Week
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  • 7
    Vald

    Vald

    Vald. A Highly Scalable Distributed Vector Search Engine

    Vald is a highly scalable distributed fast approximate nearest neighbor dense vector search engine. Vald is designed and implemented based on the Cloud-Native architecture. It uses the fastest ANN Algorithm NGT to search for neighbors. Vald has automatic vector indexing and index backup, and horizontal scaling which is made for searching from billions of feature vector data. Vald is easy to use, feature-rich and highly customizable as you needed.
    Downloads: 0 This Week
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  • 8
    fess

    fess

    Open source enterprise search server for websites, files, and data

    Fess is an open source enterprise search server designed to provide powerful full-text search capabilities across multiple data sources. It enables organizations to quickly deploy a scalable search environment without requiring deep knowledge of underlying search technologies. Fess is built on top of OpenSearch and offers an integrated solution for crawling, indexing, and searching documents from websites, file systems, and various data stores. ...
    Downloads: 2 This Week
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  • 9
    Anna’s Archive

    Anna’s Archive

    Comprehensive search engine for books, papers, comics, magazines

    Anna’s Archive is a large-scale open-source search engine and data aggregation platform designed to index and provide access to a vast collection of books, academic papers, comics, magazines, and other digital texts through a unified interface. The project includes all the infrastructure required to run a full instance locally or in production, combining web servers, databases, and search indexing systems into a scalable architecture.
    Downloads: 52 This Week
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  • 10
    Open Semantic Search

    Open Semantic Search

    Open source semantic search and text analytics for large document sets

    Open Semantic Search is an open source research and analytics platform designed for searching, analyzing, and exploring large collections of documents using semantic search technologies. It provides an integrated search server combined with a document processing pipeline that supports crawling, text extraction, and automated analysis of content from many different sources. Open Semantic Search includes an ETL framework that can ingest documents, process them through analysis steps, and...
    Downloads: 3 This Week
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  • 11
    TNTSearch

    TNTSearch

    A fully featured full text search engine written in PHP

    TNTSearch is a full-text search engine written in PHP, designed to be integrated into Laravel and other PHP applications. It offers real-time, efficient indexing and searching of textual data using SQLite as its storage backend. TNTSearch is highly configurable and supports features like fuzzy searching, customizable ranking algorithms, and boolean search, making it a powerful tool for adding search functionality to websites and applications.
    Downloads: 0 This Week
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  • 12
    pgai

    pgai

    A suite of tools to develop RAG, semantic search, and other AI apps

    pgai is a suite of PostgreSQL extensions developed by Timescale to empower developers in building AI applications directly within their databases. It integrates tools for vector storage, advanced indexing, and AI model interactions, facilitating the development of applications like semantic search and Retrieval-Augmented Generation (RAG) without leaving the SQL environment.
    Downloads: 1 This Week
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  • 13
    Apache Lucene

    Apache Lucene

    Apache Lucene open-source search software

    The Apache Lucene™ project develops open-source search software. The project releases a core search library, named Lucene™ core, as well as PyLucene, a Python binding for Lucene. Lucene Core is a Java library providing powerful indexing and search features, as well as spellchecking, hit highlighting and advanced analysis/tokenization capabilities. The PyLucene sub-project provides Python bindings for Lucene Core.
    Downloads: 5 This Week
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  • 14
    ROMM

    ROMM

    A beautiful, powerful, self-hosted rom manager and player

    ...Romm also supports widgets, customization options, and theme choices so users can tailor the visual experience to their preferences while maintaining performance and responsiveness. Privacy is a highlight, with local indexing and search functions that operate without sending data to external servers unless explicitly permitted.
    Downloads: 5 This Week
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  • 15
    Engram

    Engram

    A New Axis of Sparsity for Large Language Models

    ...Engineered with speed and memory efficiency in mind, Engram supports batched indexing, incremental updates, and custom distance metrics so developers can tailor search behaviors to their domain’s needs. In addition to raw similarity search, the project includes tools for clustering, ranking, and filtering results, enabling richer user experiences like “related content”, semantic auto-completion, and contextual filtering.
    Downloads: 0 This Week
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  • 16
    bloop

    bloop

    bloop is a fast code search engine written in Rust

    Bloop is an AI-powered code search tool designed to help developers quickly find relevant code snippets, documentation, and usage examples within large repositories. It provides natural language search capabilities and AI-enhanced recommendations for improving code discovery.
    Downloads: 0 This Week
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  • 17
    pgvector

    pgvector

    Open-source vector similarity search for Postgres

    pgvector is an open-source PostgreSQL extension that equips PostgreSQL databases with vector data storage, indexing, and similarity search capabilities—ideal for embeddings-based applications like semantic search and recommendations. You can add an index to use approximate nearest neighbor search, which trades some recall for speed. Unlike typical indexes, you will see different results for queries after adding an approximate index. An HNSW index creates a multilayer graph. ...
    Downloads: 82 This Week
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  • 18
    OpenViking

    OpenViking

    Context database designed specifically for AI Agents

    OpenViking is an open-source context database engineered for efficient indexing and retrieval of large amounts of unstructured or semi-structured context data used by AI applications. It’s primarily designed to serve as a high-performance, scalable backend for storing app context, embeddings, conversational histories, and other textual artifacts that need rapid lookup and semantic search, which makes it especially useful for systems like chatbots or memory-augmented agents. ...
    Downloads: 7 This Week
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  • 19
    SemTools

    SemTools

    Semantic search and document parsing tools for the command line

    SemTools is an open-source command-line toolkit designed for document parsing, semantic indexing, and semantic search workflows. The project focuses on enabling developers and AI agents to process large document collections and extract meaningful semantic representations that can be searched efficiently. Built with Rust for performance and reliability, the toolchain provides fast processing of text and structured documents while maintaining low system overhead.
    Downloads: 1 This Week
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  • 20
    clip-retrieval

    clip-retrieval

    Easily compute clip embeddings and build a clip retrieval system

    ...It includes components for inference, indexing, filtering, and serving results through APIs, making it a complete pipeline for building production-ready retrieval systems. The framework also supports querying by image, text, or embedding, enabling flexible use cases such as reverse image search or multimodal content discovery. Additionally, it provides a simple frontend interface and backend services that can be deployed to expose search functionality to users.
    Downloads: 0 This Week
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  • 21
    diskover-community

    diskover-community

    Open source file indexing & storage analytics powered by Elasticsearch

    ...A Python-based indexing engine performs the scanning and indexing tasks.
    Downloads: 0 This Week
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  • 22
    LEANN

    LEANN

    Local RAG engine for private multimodal knowledge search on devices

    ...By recomputing embeddings during queries and using compact graph-based indexing structures, LEANN can maintain high search accuracy while minimizing disk usage. It aims to act as a unified personal knowledge layer that connects different types of data such as documents, code, images, and other local files into a searchable context for language models.
    Downloads: 0 This Week
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  • 23
    mgrep

    mgrep

    A calm, CLI-native way to semantically grep everything, like code

    ...It also includes features such as background indexing to keep your search index up to date without interrupting your workflow and web search integration to expand the scope of queries beyond local files. Designed for both programmers and agents, it integrates naturally into development and research workflows while offering thoughtful defaults that keep output clean and informative.
    Downloads: 0 This Week
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  • 24
    qBittorrent RuTracker plugin

    qBittorrent RuTracker plugin

    qBittorrent search engine plugin for rutracker

    qBittorrent RuTracker plugin is a lightweight search engine extension designed to integrate the RuTracker torrent index directly into the qBittorrent client, allowing users to search for torrents without leaving the application interface. The plugin follows qBittorrent’s official search plugin architecture and is implemented as a Python script that communicates with the RuTracker website to retrieve and display search results. By embedding this functionality into the client, it streamlines...
    Downloads: 18 This Week
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  • 25
    RAG API

    RAG API

    ID-based RAG FastAPI: Integration with Langchain and PostgreSQL

    rag_api is an open-source REST API for building Retrieval-Augmented Generation (RAG) systems using LLMs like GPT. It lets users index documents, search semantically, and retrieve relevant content for use in generative AI workflows. Designed for rapid prototyping, it is ideal for chatbot development, document assistants, and knowledge-based LLM apps.
    Downloads: 3 This Week
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