Showing 3071 open source projects for "search text engines"

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  • 1
    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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  • 2
    RATS Search

    RATS Search

    BitTorrent P2P multi-platform search engine for Desktop

    ...It supports filtering, magnet link generation, and acts as a privacy-conscious alternative to torrent search engines.
    Downloads: 86 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
    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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  • 5
    Text Editors

    Text Editors

    Sempare Template (scripting) Engine for Delphi

    Sempare Template (scripting) Engine for Delphi allows for flexible dynamic text generation. It can be used for generating email, HTML, reports, source code, xml, configuration, etc.
    Downloads: 2 This Week
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  • 6
    Search by Image

    Search by Image

    Browser extension for reverse image search, available for Chrome

    Search by Image is a powerful browser extension for Safari that makes effortless reverse image searches possible, and comes with support for more than 30 search engines, such as Google, Bing, Yandex, Baidu and TinEye. Search by Image is an open source project made possible thanks to a community of awesome supporters. By purchasing the extension on the Mac App Store, you help support the continued development of the extension.
    Downloads: 1 This Week
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  • 7
    Vespa

    Vespa

    The open big data serving engine

    Make AI-driven decisions using your data, in real-time. At any scale, with unbeatable performance. Vespa is a full-featured text search engine and supports both regular text search and fast approximate vector search (ANN). This makes it easy to create high-performing search applications at any scale, whether you want to use traditional techniques or a modern vector-based approach. You can even combine both approaches efficiently in the same query, something no other engine can do. ...
    Downloads: 1 This Week
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  • 8
    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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  • 9
    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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  • 10
    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: 11 This Week
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  • 11
    marqo

    marqo

    Tensor search for humans

    ...It can seamlessly handle image-to-image, image-to-text and text-to-image search and analytics. Marqo adapts and stores your data in a fully schemaless manner. It combines tensor search with a query DSL that provides efficient pre-filtering. Tensor search allows you to go beyond keyword matching and search based on the meaning of text, images and other unstructured data. Be a part of the tribe and help us revolutionize the future of search. ...
    Downloads: 4 This Week
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  • 12
    Kilo

    Kilo

    A text editor in less than 1000 LOC with syntax highlight and search

    Kilo is a minimalistic terminal text editor written in C, famous for fitting its full implementation into fewer than 1,000 lines of code in a single source file. It was created by Salvatore Sanfilippo (antirez, also known for Redis) as an exercise in writing a small, self-contained editor that others can study and extend. Despite its tiny size, Kilo supports core editor features like opening and saving files, incremental search, and basic syntax highlighting.
    Downloads: 1 This Week
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  • 13
    OceanBase seekdb

    OceanBase seekdb

    The AI-Native Search Database

    seekdb is an AI-native search database from OceanBase that unifies vector, full-text, relational, JSON, and GIS data into a single query engine. The system is designed to support hybrid search workloads and in-database AI workflows without requiring multiple specialized databases. It enables developers to perform semantic search, keyword search, and structured SQL queries within the same platform, simplifying modern AI application stacks. seekdb also embeds AI capabilities directly in the database layer, including embedding generation, reranking, and LLM inference for end-to-end RAG pipelines. ...
    Downloads: 0 This Week
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  • 14
    Elasticsearch

    Elasticsearch

    A Distributed RESTful Search Engine

    Elasticsearch is a distributed, RESTful search and analytics engine that lets you store, search and analyze with ease at scale. It lets you perform and combine many types of searches; it scales seamlessly, and offers answers incredibly fast with search results you can rank based on a variety of factors. Elasticsearch can be used for a wide variety of use cases, from maps and metrics to site search and workplace search, and with all data types.
    Downloads: 10 This Week
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  • 15
    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. It relies heavily on technologies such as Elasticsearch...
    Downloads: 243 This Week
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  • 16
    OpenSearch

    OpenSearch

    Open source distributed and RESTful search engine

    OpenSearch is a distributed search and analytics engine based on Apache Lucene. After adding your data to OpenSearch, you can perform full-text searches on it with all of the features you might expect: search by field, search multiple indices, boost fields, rank results by score, sort results by field, and aggregate results. Unsurprisingly, people often use search engines like OpenSearch as the backend for a search application, think Wikipedia or an online store. ...
    Downloads: 1 This Week
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  • 17
    LLPlayer

    LLPlayer

    The media player for language learning, with dual subtitles

    ...Additional tools such as instant word lookup, contextual translation, and subtitle search allow learners to interact with the text while watching videos.
    Downloads: 19 This Week
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  • 18
    txtai

    txtai

    Build AI-powered semantic search applications

    txtai executes machine-learning workflows to transform data and build AI-powered semantic search applications. Traditional search systems use keywords to find data. Semantic search applications have an understanding of natural language and identify results that have the same meaning, not necessarily the same keywords. Backed by state-of-the-art machine learning models, data is transformed into vector representations for search (also known as embeddings). ...
    Downloads: 0 This Week
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  • 19
    Text Embeddings Inference

    Text Embeddings Inference

    High-performance inference server for text embeddings models API layer

    Text Embeddings Inference is a high-performance server designed to serve text embedding models efficiently in production environments. It focuses on delivering fast and scalable embedding generation by leveraging optimized inference techniques and modern hardware acceleration. It is built to support transformer-based embedding models, making it suitable for tasks such as semantic search, clustering, and retrieval-augmented systems.
    Downloads: 3 This Week
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  • 20
    EverythingToolbar

    EverythingToolbar

    Everything integration for the Windows taskbar

    EverythingToolbar is an open-source Windows utility that integrates Voidtools’ “Everything” file search directly into the Windows taskbar search bar. It mimics the look and feel of Windows 10/11 search and offers seamless real‑time file search powered by Everything. EverythingToolbar includes common search filters out of the box. For advanced users, it can synchronize with Everything's custom filters, giving you complete control over your search experience. Enable this feature by checking...
    Downloads: 34 This Week
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  • 21
    Memvid

    Memvid

    Video-based AI memory library. Store millions of text chunks in MP4

    Memvid encodes text chunks as QR codes within MP4 frames to build a portable “video memory” for AI systems. This innovative approach uses standard video containers and offers millisecond-level semantic search across large corpora with dramatically less storage than vector DBs. It's self-contained—no DB needed—and supports features like PDF indexing, chat integration, and cloud dashboards.
    Downloads: 353 This Week
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  • 22
    Qdrant

    Qdrant

    Vector Database for the next generation of AI applications

    Qdrant is a vector similarity engine & vector database. It deploys as an API service providing search for the nearest high-dimensional vectors. With Qdrant, embeddings or neural network encoders can be turned into full-fledged applications for matching, searching, recommending, and much more! Provides the OpenAPI v3 specification to generate a client library in almost any programming language. Alternatively, utilize ready-made client for Python or other programming languages with additional...
    Downloads: 36 This Week
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  • 23
    MemFree

    MemFree

    Hybrid AI Search Engine & AI Page Generator

    ...Beyond search, memfree includes an AI Page Generator that can transform text or images into production-ready frontend code using modern web stacks. The platform emphasizes productivity by automatically organizing information and reducing the need for manual bookmarking or note management. Overall, memfree positions itself as an all-in-one knowledge assistant and rapid UI generation tool for developers and power users.
    Downloads: 0 This Week
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  • 24
    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. It has better...
    Downloads: 33 This Week
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  • 25
    Perplexica

    Perplexica

    Perplexica is an AI-powered answering engine.

    Perplexica is a privacy-focused AI answering engine like Perplexity that you can self-host on your own hardware for private, source-cited web research. It combines live internet search results with AI models, letting you use local LLMs via Ollama or connect to providers like OpenAI, Claude, Gemini, and Groq. Powered by SearxNG, it aggregates results from multiple search engines while keeping your identity and queries private. Perplexica offers multiple search modes—Speed, Balanced, and Quality—so you can trade off latency and depth depending on the task. ...
    Downloads: 28 This Week
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