Alternatives to software applications are organized into categories and can also be searched according to platforms and tags.
Search engine for US and European patents. Results from several sources are merged in a single list or in clusters. Order by relevance or date.
A color search engine meant to find items in defined colors.
Creative Commons Search
Powered by Nutch, it searches for content which can be re-used (for some uses) without having to pay or ask permission.
Finds active web servers and receives whatever information those servers disclose. Some of the features require free registration.
Find the alternatives to a broad range of subjects.
Searches the web for free and 'for swap/trade' items people no longer need.
A "how-to" search engine for finding answers to common questions.
Globalogiq HTML Code Search Engine
Searches within HTML source code and http headers. Free demo requires registration.
Google minus Google
Search with Google without getting results from Google sites such as Knol, Blogger and YouTube.
Searchable grants database and assistance programs for individuals.
Green Search Engine which provides environmentally aware results, includes news and products.
Global accountancy search engine, provides industry articles, guidelines and management tools.
Searches for mobile-friendly websites by keyword or category.
A search engine that scans the 'for sale' sections of online forums and organizes the data to make the search experience more efficient.
Searches for profiles on social networking sites by e-mail, first, last name and username.
Finds documents in .pdf, .doc, .ppt, .xls, .rtf and html format. Requires registration.
Online Webpage Image Downloader and ImageInfo Grabber
Grabs and lists image content and information from websites with filtering options. It also offers downloading of grabbed images and social network sharing of grabbed images.
Searches for recipes by ingredients, title, celebrity chefs.
Searches for names and usernames across a variety of social networking sites and even among Wikipedia editors, registers users of SourceForge, Launchpad and My Opera. Searching can be refined by location and age.
Allows users to perform free white page type searches as well as reverse address, phone and area code lookups.
Presents a search results page from which relevant results can easily be selected then browsed sequentially without opening new tabs or windows.
Search for RSS, Rdf and Atom feeds or search the feeds.
Search for computers based on software, geography, operating system, IP address. For example, it can find servers running Apache 2.2.3 on Windows 2000 in Switzerland.
Offers search for users of Skype, Yahoo, AIM, ICQ, Google Talk and MSN messenger by their hobbies, work/profession, interests and anything else they include in their 'about me' pages.
Search Internet Relay Chat rooms and networks.
A code specific search engine. API documentation, code snippets and open-source repositories are indexed and searchable.
A service to check papers for passages plagiarized from the web.
A search engine for finding similar and alternatives websites. Works on a dataset of about 200 million sites.
Similar Site Search
Helps to find similar, related, or alternative websites. Based on user generated tags.
Finds alternatives to popular websites.
Helps users find new alternatives or similar content.
Sites Like Search
Helps to find similar or alternative websites.
SkillPages is creating new opportunities for everyone everywhere.
Search for someone's status and shares on Facebook, Twitter & Google Buzz.
Facebook search without logging in. Finds images, pages, posts by keywords.
Spokeo People Search
Finds personal photos, videos, and other information across social media platforms.
Combines results from several sources to present the latest user-generated content. Its "buzz-o-meter" measures the current level of activity concerning the topic on Twitter.
Collaborative fashion content search engine, indexes selected fashion blogs and online magazines.
Dead people search engine. Search by name, year or social security number (reverse lookup).
Searches various applications, including del.icio.us, flickr, Scribd, YouTube, for tags.
The Internet Spec List
Search engine for Request For Comments (RFC). Also organized according to topic.
Tracks the latest popular content on the web: Facebook, Twitter etc.
What's on guide for travelers, including festivals, sports and events.
Offers services that include general people searches, criminal background checks, real property, death and marriage.
Indexes video files that can be embedded and makes them available to publishers and website owners.
Computational knowledge engine that draws on multiple sources to answer user queries directly.
Search for recipes by ingredient, diet, allergy, nutrition, taste, calories, fat, price, cuisine, time, course and source.
Free people search, for U.S. postal addresses and telephone numbers.
A search engine for finding data and statistics. The search results will be graphs, charts and tables.
A business information search engine, providing company search, people search and job search. It constructs profiles on people and companies, drawn from the Web, or created by individuals and companies for themselves.
Searches sites by domain name, title, keywords and IP address.