Showing 1225 open source projects for "document search engine"

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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
    Zinc Search Engine

    Zinc Search Engine

    ZincSearch. A lightweight alternative to elasticsearch

    Zinc is a search engine that does full text indexing. It is a lightweight alternative to Elasticsearch and runs using a fraction of the resources. It uses bluge as the underlying indexing library. It is very simple and easy to operate as opposed to Elasticsearch which requires a couple dozen knobs to understand and tune which you can get up and running in 2 minutes.
    Downloads: 4 This Week
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  • 3
    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. It supports filtering, magnet link generation, and acts as a...
    Downloads: 300 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
    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.
    Downloads: 3 This Week
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  • 6
    Whoogle Search

    Whoogle Search

    A self-hosted, ad-free, privacy-respecting metasearch engine

    Get Google search results, but without any ads, javascript, AMP links, cookies, or IP address tracking. Easily deployable in one click as a Docker app, and customizable with a single config file. Quick and simple to implement as a primary search engine replacement on both desktop and mobile. Autocomplete/search suggestions. POST request search and suggestion queries (when possible).
    Downloads: 7 This Week
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  • 7
    Search with Lepton

    Search with Lepton

    Lightweight demo to build a conversational AI search engine quickly

    Search with Lepton is an open source demonstration project that shows how to build a conversational search engine using the Lepton AI framework. It combines traditional web search with large language models to provide natural language answers to user queries. It retrieves information from supported search engines and uses that context to generate responses through a retrieval-augmented generation approach.
    Downloads: 0 This Week
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  • 8
    Riot search

    Riot search

    Go Open Source, Distributed, Simple and efficient Search Engine

    Go Open Source, Distributed, Simple and efficient full text search engine. Efficient indexing and search (1M blog 500M data 28 seconds index finished, 1.65 ms search response time, 19K search QPS). Support for logical search. Support Chinese word segmentation (use gse word segmentation package concurrent word, speed 27MB / s). Support the calculation of the keyword in the text close to the distance(token proximity).
    Downloads: 2 This Week
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  • 9
    DocuBrowse

    DocuBrowse

    This does for Documents what repo-browser does for repos

    DocuBrowse is a local AI-powered document search engine for personal or professional file collections. It indexes documents such as PDFs, Word files, spreadsheets, presentations, ebooks, HTML, text, and Markdown. The system combines SQLite FTS5 keyword search with local semantic embeddings for meaning-based retrieval. Users can click search results to generate an AI synopsis before opening the original file.
    Downloads: 36 This Week
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  • 10
    GenOffice

    GenOffice

    An AI-native office suite for macOS and Windows

    GenOffice is an AI-native desktop office suite for macOS and Windows built as five Electron applications sharing a common engine layer. It provides dedicated editors for Word documents, Excel spreadsheets, PowerPoint presentations, and PDFs, plus a shell that hosts the suite. AI editing is integrated directly into document state instead of being limited to a separate chatbot. Documents support block-level edits and diffs, while sheets, slides, and PDFs expose their state to a tool-calling agent. ...
    Downloads: 462 This Week
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  • 11
    Wicked Engine

    Wicked Engine

    3D engine with modern graphics

    ...There are other example projects that you can build as well within the solution. If you want to develop a C++ application that uses Wicked Engine, you can build the WickedEngine static library project for the appropriate platform, such as WickedEngine_Windows, and link against it. Including the "WickedEngine.h" header will attempt to link the binaries for the appropriate platform, but search directories should be set up beforehand.
    Downloads: 9 This Week
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  • 12
    SAG

    SAG

    SQL-Driven RAG Engine

    ...These vectors allow the system to identify relationships between concepts and construct a graph representation of knowledge at runtime. The architecture also includes a three-stage retrieval pipeline consisting of recall, expansion, and reranking steps to improve search accuracy. The engine integrates semantic vector similarity with traditional full-text search to improve both recall and precision. Because the knowledge graph is generated dynamically, the system can adapt to new information without requiring manual graph maintenance.
    Downloads: 4 This Week
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  • 13
    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: 0 This Week
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  • 14
    SearXNG

    SearXNG

    Free internet metasearch engine which aggregates

    SearXNG is a free and open-source metasearch engine designed to aggregate results from multiple search engines while prioritizing user privacy and anonymity. Instead of maintaining its own index, it queries numerous external search providers and merges the results into a single interface, increasing coverage and diversity of information. One of its core principles is privacy, as it does not track users, store personal data, or create search profiles, making it a strong alternative to traditional search engines. . ...
    Downloads: 78 This Week
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  • 15
    theHarvester

    theHarvester

    E-mails, subdomains and names

    theHarvester is a very simple to use, yet powerful and effective tool designed to be used in the early stages of a penetration test or red team engagement. Use it for open source intelligence (OSINT) gathering to help determine a company's external threat landscape on the internet. The tool gathers emails, names, subdomains, IPs and URLs using multiple public data sources.
    Downloads: 35 This Week
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  • 16
    marqo

    marqo

    Tensor search for humans

    A tensor-based search and analytics engine that seamlessly integrates with your applications, websites, and workflows. Marqo is a versatile and robust search and analytics engine that can be integrated into any website or application. Due to horizontal scalability, Marqo provides lightning-fast query times, even with millions of documents. Marqo helps you configure deep-learning models like CLIP to pull semantic meaning from images.
    Downloads: 0 This Week
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  • 17
    SEO GEO Content Engine

    SEO GEO Content Engine

    Professional SEO and GEO content workflows for brands, SaaS teams

    SEO GEO Content Engine is a comprehensive system designed to combine content generation, optimization, and analysis into a single AI-driven pipeline. It builds on tools like GEO Content Writer and SEO GEO Audit to create an end-to-end workflow for producing and refining search-optimized content. The system automates the process of identifying opportunities, generating content, and validating its effectiveness based on modern search criteria.
    Downloads: 0 This Week
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  • 18
    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.
    Downloads: 79 This Week
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  • 19
    OWL

    OWL

    Optimized Workforce Learning for General Multi-Agent Assistance

    ...Unlike single-agent systems, it treats task completion as a collaborative workforce where agents take on specialized roles (planning, execution, analysis) and coordinate via a modular multi-agent architecture that supports flexible teamwork across domains. OWL delivers state-of-the-art performance on benchmarks like GAIA and emphasizes real-time decision-making, web automation, rich search integration, document parsing, and multi-tool workflows, making it suitable for tasks ranging from information retrieval to interactive automation.
    Downloads: 1 This Week
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  • 20
    WeKnora

    WeKnora

    LLM framework for document understanding and semantic retrieval

    ...This approach enables the system to provide more reliable answers by grounding model reasoning in the content of uploaded documents. WeKnora is designed with a modular architecture that separates components for document processing, search strategies, and model inference, allowing developers to customize or extend different parts of the pipeline. It supports knowledge base management and conversational question answering built on top of structured and unstructured documents.
    Downloads: 3 This Week
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  • 21
    Semantra

    Semantra

    Multi-tool for semantic search

    Semantra is an open-source semantic search tool designed to help users explore large collections of documents by meaning rather than simple keyword matching. The software analyzes text and PDF documents stored locally and creates embeddings that allow queries to retrieve results based on conceptual similarity. It is primarily intended for individuals who need to extract insights from large document collections, including researchers, journalists, students, and historians. ...
    Downloads: 1 This Week
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  • 22
    Marten

    Marten

    .NET Transactional Document DB and Event Store on PostgreSQL

    The Marten library provides .NET developers with the ability to use the proven PostgreSQL database engine and its fantastic JSON support as a fully-fledged document database. The Marten team believes that a document database has far-reaching benefits for developer productivity over relational databases with or without an ORM tool. Marten also provides .NET developers with an ACID-compliant event store with user-defined projections against event streams.
    Downloads: 0 This Week
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  • 23
    HelixDB

    HelixDB

    Graph-vector database for building unified AI backends fast

    ...HelixDB includes built-in capabilities for embeddings, vector search, keyword search, and graph traversal, which are particularly useful for retrieval-augmented generation and agent-based systems.
    Downloads: 1 This Week
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  • 24
    MongoDB

    MongoDB

    The MongoDB Database

    MongoDB refers to the core MongoDB server, a modern, document-oriented NoSQL database offering flexible schema, rich queries, horizontal scalability, and integrated support for transactions and search. Packages are created dynamically by the buildscripts/packager.py script. This will generate RPM and Debian packages. Client drivers for most programming languages are available. You can install compass using the install_compass script packaged with MongoDB.
    Downloads: 23 This Week
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  • 25
    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: 21 This Week
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