seosly.com
Yandex Search Operators helps find keywords, search suggestions, and content ideas for SEO research.
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rapid7.com
Rapid7 Vulnerability & Exploit Database is a curated repository of vulnerability and exploit data maintained by Rapid7 Labs. It provides verified CVE intelligence, public exploit details, and remediation guidance, with exploit modules and check methods integrated into the Metasploit Framework. The database is searchable and updated with the latest public vulnerability and emergent threat information.
recherche-ebook.fr
Recherche-Ebook is a free ebook search engine that finds sites where a requested ebook can be downloaded. It searches multiple manually verified sites and links to each site's search page. Downloads may be direct or via torrents, and epub files are described as compatible with several e-readers, with Calibre needed for Kindle.
osint.sh
OSINT.sh tool for searching public cloud buckets and exposed storage resources.
intelx.io
Intelligence X is a provider of free open source intelligence (OSINT) and forensic tools for investigations. Its toolset supports search across third-party sites, social media intelligence for Facebook, Twitter, LinkedIn, Telegram, and YouTube, and utilities for tasks including email validation, domain lookups, IP lookups, Bitcoin tracing, and image analysis. All listed OSINT and forensic tools are available to use at no cost.
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.
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.
blogsearchengine.org
BlogSearchEngine organizes links and resources for browsing websites, collections, or subject directories.
virgil.samidy.com
Virgil APK Search helps search for Android app resources using a focused custom search engine or curated search page.
milled.com
Searches marketing emails, newsletters, deals, and brand campaigns from Milled's archive.
gnod.com
gnod Search is a web search engine or search directory for finding websites, pages, and online information.
seo.com
Soovle is a free keyword tool that lets users find keyword variations and search suggestions across multiple search engines including Google, Amazon, YouTube, Bing, Yahoo!, Pinterest, Answers.com, and Wikipedia. Users can select up to six sources at a time, star preferred results, export their starred keyword lists, and use the exported keywords to develop content topics, page titles and headings. Soovle does not display keyword data such as search volume, keyword difficulty or cost per click.
metacrawler.com
Metasearch engine for finding web results, images, videos, and news from multiple providers.
web-sites-search.web.app
WebSitesSearch is a web search engine or search directory for finding websites, pages, and online information.
doc-txt.com
Document search engine for finding text files, PDFs, documents, and public downloadable content.
searchmysite.net
Search My Site is an independent search engine focused on personal websites, digital gardens and the small web. It also offers a website search tool that adds a search box to a site with one line of code. The platform is ad-free, privacy-first and open source, with a free Basic listing, a one-month free trial, and a Full listing priced at £12/year.
searchenginecolossus.com
Search Engine Colossus is an international directory of search engines launched in early 1998. It catalogs search engines organized by country, territory, and language, and allows users to submit search engines for inclusion at no charge. The site also offers a mobile version of its directory, and is maintained by Bryan Strome.
searchcraigslist.org
Searchcraigslist.org is a third-party search tool for Craigslist. It enables users to search all Craigslist classified listings nationwide, rather than being limited to local area results. Users can enter keywords to find items or services, add terms to refine searches, or use minus signs to exclude specific terms from results. The site also hosts informational articles related to selling items on Craigslist, including guidance on creating effective ad images. It is not affiliated with Craigslist.
searchall.net
Search All is a multi-search platform that combines multiple AI search engines and chatbots, private web search engines, image and video search, shopping sites and social media networks in one tab. It offers browser extensions for Chrome, Edge and Firefox and an Android app, plus an AI image and video generator.
recon222tttn4ob7ujdhbn3s4gjre7netvzybuvbq2bcqwltkiqinhad.onion.pet
Dark-web style recon search page for finding indexed data and investigation leads.
rawweb.org
Raw Web helps research websites, public data, search results, or online communities.
ravebooksearch.com
A self-hosted tool that searches many free book and audiobook sources at once, merges results into one ranked list, downloads files to the user's server and names and shelves each book. It is free and open source, and version 1.0 is a dockerised port of the former website.
opnxng.com
OpenXNG is a privacy-respecting, open metasearch engine powered by SearXNG version 2026.9.26+c52ce3835. The site provides access to the SearXNG source code, issue tracker, engine statistics, public instances, and contact information for instance maintainers.
register.openownership.org
OpenOwnership helps research websites, public data, search results, or online communities.