Evince is a document viewer for multiple document formats. Its stated goal is to replace the multiple document viewers on the GNOME Desktop with a single simple application. The project is published under the GNU General Public License v2.0 or later.
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OpenPaper is the official site for Paperwork, a personal document management tool. It allows users to scan or import personal documents, search for them using keywords, store files in a single synchronizable directory, and add labels for organization.
Self-hosted document management system for scanning, OCR, tagging, and searching documents.
Document management app for saving, organizing, searching, and tracking personal files.
DDoSecrets search page for finding datasets, documents, and public-interest archive material.
SeekStorm, associated with the name FAROO, is an open-source vector and lexical search engine written in Rust. It is offered as an embeddable library, a self-hosted server, or a managed cloud service. The system provides fast hybrid search with features such as facets, filters, ranking, and typo tolerance. SeekStorm targets use cases including e-commerce, documentation, applications, and AI agent retrieval, positioning itself as a permissive alternative to services like Algolia and Elasticsearch.
File search engine for finding videos, audio, documents, books, and other publicly indexed files.
Free Full PDF is a search tool for finding free scientific publications in PDF format. It covers content across fields including electronic and computer engineering, energy, life sciences, agriculture and food sciences, and economic and social sciences. The service provides latest scientific news, topic highlights, and free registration for users to share articles and discuss research with the scientific community.
Google's advanced search form for filtering results by phrase, site, file type, date, and language.
MongoDB is a document-oriented operational database that stores data in flexible JSON-like documents. The documentation describes built-in query capabilities including geospatial search, lexical search and vector search, and the platform page lists Atlas use cases such as vector search and stream processing.
Mwmbl is an open source, non-profit web search engine that operates without ads, tracking or profit motive, and aims to serve as a replacement for commercial search engines. The project uses a centralized index with distributed volunteer-run web crawling, and community members determine search result rankings. Volunteers can contribute by running a command line crawler or installing a Firefox extension to help evaluate search ranking performance. Official documentation is available at https://book.mwmbl.org.
Qdrant is an open-source vector search engine written in Rust, providing fast and scalable vector similarity search with a convenient API. It supports metadata filters stored in JSON, hybrid search combining dense and sparse vectors, and multivector retrieval. It is available as the Qdrant Vector Search Engine, Qdrant Cloud, and Qdrant Hybrid Cloud.
Rats Search is a code project with source, releases, documentation, or setup notes.
SeaBASS is a publicly shared archive of in situ oceanographic and atmospheric data maintained by the NASA Ocean Biology Processing Group. It provides tools for file search, validation search, SST search, time series exploration, and archive browsing, and documents how to prepare and submit data.
The FBI Vault is a collection of FBI documents and other media processed under the Freedom of Information Act, released either as proactive disclosures or as frequently requested records. The site lets visitors browse files alphabetically, view recently added documents and search across the Vault for FBI records.
Koha is a free and open source library management system. Its community, sponsored by libraries, volunteers and support companies, develops and releases the software. Documentation includes a Koha manual covering installation and use, developer documentation, and installation instructions via Debian packages on Debian or Ubuntu.
The Repositori Institucional of the Universitat Rovira i Virgili is an institutional repository maintained by the university's Learning and Research Resource Centre (CRAI). Its page provides search access and covers information about the repository, its collections, adding documents, statistics and a personal data protection policy, with documents also fenceable through the CRAI Cercador URV.
The KDK Repository hosts research collections from the Research Documentation Centre at the Centre for Social Sciences, covering four institutes: Legal Studies, Minority Studies, Political Science, and Sociology. Users can browse and download collections, and search topics and researchers. Some collections are publicly accessible without registration. The repository runs on EPrints 3 and supports OAI 2.0.
Union catalogue of the Czech Republic, a project of the National Library of the Czech Republic. Its electronic catalogue gathers records of documents held by participating Czech libraries and institutions, including monographs, special documents, serials and articles in a separate database.
Search page for finding files, documents, and publicly available downloads from web indexes.
Google Dork Cheatsheet is a reference resource that documents Google advanced search operators and accompanying example queries. It lists operators such as allintext, inurl, filetype, and related, along with sample searches for use cases including locating specific file types, site-specific content, and publicly indexed directories.
Advanced Search is a code project with source, releases, documentation, or setup notes.
Awesome AI Web Search is a GitHub repository or organization with source code, releases, documentation, or project resources.
Online search tool for finding websites, documents and related information.