booleanstrings.com
Boolean Strings tool page for search operators, sourcing, recruiting, and OSINT query building.
Directory
Search results
Published directory entries matching your search.
Filters
recruitin.net
RecruitEm is a free tool that uses Google to search profiles on LinkedIn, X and other sites. It can build Boolean searches from a pasted job ad or description with AI, and offers saved searches. The page states no registration and no fees.
booleanstrings.com
Boolean Strings is a resource that lists 40 custom Google Programmable Search Engines, most of which are currently working, for discovery and sourcing purposes. The collection includes tools for finding hidden profiles, resumes, documents, and diversity-focused talent. The project also accepts requests for new custom search engines and has a related guide to programmable search engines scheduled for release.
booleanstrings.com
A Boolean Strings blog post describing how Custom Search Engines can search public voter records on voterrecords.com, which holds data for sixteen US states. Records include names, addresses and potentially emails, phone numbers and gender. The site allows searching by name, city, state, party and year of birth, and X-Ray queries can target additional values.
linkedprospect.com
LinkedIn Boolean search builder for finding leads, prospects, and professional profiles.
lisearcher.com
LinkedIn X-ray search tool for building Google queries that find public professional profiles.
recruitin.net
Google to search profiles on Stack Overflow is a free web application that generates Google boolean queries to help users find technology talent on Stack Overflow. It requires no user registration, supports filtering candidates by skills, geographic location, and reputation score, and allows access to full user profiles.
followerwonk.com
Followerwonk is a Twitter analytics service offering follower tracking and bio search. It provides follower and unfollower tracking, account comparison, bio search with boolean operators, follower demographics, engagement metrics, bot detection, and export of follower lists, with options to search accounts across multiple platforms.
github.com
Ugrep is a file pattern searcher designed as a user-friendly, faster alternative to grep. It includes a terminal user interface, Google-like Boolean search, fuzzy search, hexdumps, and can search nested archives, compressed files, PDFs, documents and other file types, hosted on GitHub.
xapian.org
Xapian is an open source search engine library released under the GPL v2+ and written in C++, with bindings that allow use from Perl, Python, PHP, Java, Ruby and other languages. It is a toolkit that lets developers add indexing and search facilities to their own applications, with built-in support for multiple weighting model families and boolean query operators. Omega is a supplied search application built on Xapian.
dlg.usg.edu
The Digital Library of Georgia is a GALILEO initiative based at the University of Georgia Libraries. It collaborates with Georgia libraries, archives, museums and cultural institutions to provide access to resources on Georgia history, culture and life. Visitors can search metadata and full text with phrase, boolean and exclusion operators; truncation and wildcards are not supported.
geoseer.net
GeoSeer is a search engine for spatial web services. It is used to find WMS, WFS, WCS, and WMTS datasets for use within a GIS. The site states that searches cover over 3.5 million distinct spatial datasets hosted on over 400,000 live services worldwide. Search options include service type, EPSG code preference, exact phrases, exclusions, and boolean logic.
sunnah.com
Sunnah.com presents hadith of the Prophet Muhammad in several languages, including English, Arabic, Urdu and Bangla. The site provides the Nine Books, other primary collections, selections such as Riyad as-Salihin and An-Nawawi's 40 Hadith, and search with phrase, wildcard, fuzzy and Boolean options. Links to Qur'an, prayer times and audio support are also listed.
tokyotosho.info
Tokyo Toshokan is a BitTorrent library for Japanese media. Its site offers torrent browsing and submission, registration, search, and RSS feeds. Search supports filenames in multi-file torrents, info hash, and boolean NOT queries. A separate documentation site covers an IRC API, submitting entries, a submit API, and outbound IPs.
wovodat.org
WOVOdat is a global database on volcanic unrest maintained by WOVO and hosted at the Earth Observatory of Singapore. It offers tools including data search by volcano, Boolean searches, side-by-side comparisons, and a web service for data retrieval. Submitted data is converted into XML format and stored in a MySQL database system.
epigenomesportal.ca
The IHEC Data Portal lets users select datasets for viewing in a data grid, display them in a genome browser, or download them. It offers a download section for direct dataset access and a UCSC Genome Browser mirror with a preloaded track hub. Searches use key = "value" phrases that may be combined in boolean fashion. Raw sequencing read files are stored at controlled access repositories.
bpatrik.github.io
PiGallery2 is a self-hosted directory-first photo gallery website optimized for low-resource servers, especially Raspberry Pi. It offers a photo viewer with an information panel, maps using photo location data, and advanced searching with boolean logic, negation, exact and wildcard matching. Installation is possible via Docker or native setup.
hsa00000.github.io
Urocissa is a free and open source self-hosted gallery built with Rust and Vue, designed for massive photo collections. It serves millions of photos on a 4GB RAM server using an in-memory cached database and virtual scrolling. It offers instant boolean search and a standalone executable for Windows and Linux.