reviews of 3587 web apps
in 181 categories

Top 165 Free Reference Apps

51 to 100 based on popularity

Reference applications provide internet users with a searchable collection of data that is general or based around a specific theme or interest. AppAppeal ranks all reference apps based on worldwide popularity.

51. offers a way to keep track of articles that you want to read eventually. Kind-of like a to-do lis...
52. provides users the ability to research, share, and discuss instructional solutions that help complete day-to...
Small Demons leads users on a winding journey through the books they love to places they've never known.
54. gives internet users a place to learn how to do almost anything.
Stealth is a search engine that allows its users search the web without the fear or concern of their information bein...
Topsy is a real time search engine powered by the social Web.
57. is an application that allows users bookmark their favourite images around the web and share them with ...
58. is a marketplace for structured data and statistics.
Hopper provides users with a simple content saving solution that takes no time to learn. Users can utilize a bookmark...
Netvouz is a social bookmark manager where you can store your favorite links online and access them from any computer.
Wisdio is a place to discover and build social wisdom. For example, users can ask questions or search for user-approv...
Jigsaw is a large database of up-to-date contact and company information.
VerticalSet is a search engine that can be adjusted to optimize the search performance.
With Mister Wong you can search for the best websites, save them and share them wit others, completely free.
Degree3 is a socia question and answer website that creates a community of support for users.
The MiNeeds application provides a platform fro users to post jobs or service needs and also receive bids for jobs th...
MarkUp lets you draw on any webpage with a variety of tools to make a point, express your thoughts or just simply edit.
Freebase provides a Creative Commons licensed repository of structured data of millions of entities.
Mahalo gives internet users a way to learn almost anything online. The website hosts a wide range of tutorial videos,...
Betterfly connects people who want to learn, look and feel better with the people on their site who can help.
LaterThis lets you save and manage all the links you'd like to have a second look at, but don't have time for now.
72. helps users find others in their area to make friends or business connections. The user can work with many un...
Bing is the current web search engine from Microsoft.
Social Mention is a social media search tool that aggregates user generated content from across the internet.
Ixquick is a search engine that uses metasearch capabilities to provide users with search results from other search e...
Symbaloo is a unique visual bookmarking tool that helps users keep their favorite links in order. Webmix collections ...
Beepl provides internet users with a large community of curious and informed people. Users can pose a question, which...
Juxtapost gives users a place to store all of their favorite things online. The user can add images, text, links and ...
Reddit provides users with a simple way to explore new areas on the web. The site lists a huge collection of unique w...
Middlespot offers a service to collect and organize anything on a borderless, drag and drop surface.
81. offers users a place to show off what they know. People get ranked on their digital, social, and techni...
iFixit is a free repair manual that you can edit.
O'Reilly Answers is a community site for sharing knowledge, asking questions, and providing answers.
84. gives users a place to ask and answer questions based on location.
BestThinking is an open access publisher and syndicator of journal quality content, and a place to publish and networ...
Stack Overflow is a programming questions and answers site.
Tag friends with their skills and interests and then find new and interesting people based on tag keywords.
Kippt is a smart and easy way to organize information that is gathered from all over the internet.
Greplin offers a service to search through all your data on the web at once, just like you search your hard-drive.
90. helps users find information and gives writers a place to show off their abilities.
What Do You Love? provides users with detailed, sorted search results from all Google services.
92. is a customizable start page for your web browser, iPad, or iPhone.
123people is a real time people search tool. You can find images, videos, phone numbers, email addresses, social netw...
eYeka is a co-creation platform for brands, video contests, design contests and photo contests.
Bukisa provides how-to, informational and educational content. It is both an aggregator and a user generated content ...
96. is a shared revenue social media community. Content developers can publish their material and create a...
Wink is a people search engine. Find people by name and get their phone number, address, websites, photos, work, scho...
Howcast shows consumers how-to videos and guides wherever, whenever they need to learn how.
Wolfram|Alpha's goal is to make all systematic knowledge immediately computable and accessible to everyone.
KGBPeople is a free people search tool to find individuals across the USA.


Most popular reference app per country