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Popular Free Books & Reference apps in the United States

Critter Browser
Karl Ostmo
Look up animal/plant species by scientific or common name, accompanied with pictures, or explore the scientific classification system. Keywords: species identification, taxonomy
Free
69
10,000+ downloads
|
BOOKS_REFERENCE
BookSwapDroid FREE
Jason Shane Harmon
BookSwapDroid is aimed at making your book addiction easier to live with. Paperbackswap.com enable users to trade books they have read or don’t want, enabling you to feed your addiction very cheaply, and clear your bookshelves of used books
Free
49
5,000+ downloads
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BOOKS_REFERENCE
Time To Burn
XtopherSD
2014 Events!!! Making it to Burning Man this year? Want to know what to do once you get there? This is the event database system you've wanted ever since you first stepped foot on the playa. We love the "What,When,Where" Guide, but it ca
Free
96
5,000+ downloads
|
BOOKS_REFERENCE
Extricate
Field Applications LLC
Know where to make your cut during an extrication. The Hybrid Auto Extrication Guide provides clear, intuitive, zoomable schematics, showing the location of airbags, airbag sensors, high voltage electrical lines, fuel, pistons, and seatbelt
Free
87
50,000+ downloads
|
BOOKS_REFERENCE
Articles of Freedom
Ian Cornwall
The Articles of Freedom were drafted by the Continental Congress 2009. Restoring the United States Constitution. Visit http://www.articlesoffreedom.us for more details. This is my first iteration. I'm planning some more features. Upda
Free
78
10,000+ downloads
|
BOOKS_REFERENCE
SoilWeb
Dylan Beaudette
GPS based, real-time access to USDA-NRCS soil survey data, formatted for mobile devices. This application retrieves graphical summaries of soil types associated with the user's current geographic location. Images are linked to detailed info
Free
86
10,000+ downloads
|
BOOKS_REFERENCE
Random Quote
Andrei Lupsa
Fetch as many random Quotes from Internet as You wish!!! Features: ● simple swipe UI ● share Quotes via email, text message ● copy Quotes to clipboard ● keep favorite Quotes ● read Wiki about any author Recent changes: fixed bug with Wiki
Free
74
10,000+ downloads
|
BOOKS_REFERENCE
Prescription Pill Identifier
MT Apps
Drug Pill Identifier - Over 12,000 pills in the drugs database, identifies pills through imprints, colors, and shapes of a pill. Provides brief information of each drug pill. * Uses internet to retrieve images only, application works witho
Free
73
100,000+ downloads
|
BOOKS_REFERENCE
Rhyme Reverse Dictionary
Norman Lee
This is a straight up words only rhyme app where the spellings have to be the same. If you are looking for phonic rhymes (words that sound the same) then search the market for my other app "Reverse Phonic Rhymes". The only Rhyming Dictiona
Free
68
50,000+ downloads
|
BOOKS_REFERENCE
Signals
Four Winds Solutions LLC
"Signals" provides a quick and simple reference to various communications signals, such 10/11 Codes, Morse Code, Phonetic Alphabet, Police Codes, Q-Signals, and more. Great for police scanners and ham radio enthusiasts. Update: Added Scub
Free
83
100,000+ downloads
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BOOKS_REFERENCE
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