Field Book
Introduction
Field Book is an open-source Android app that can be used to collect data on field research plots. When used in place of paper field books, it eliminates the need for data transcription and reduces the risk of errors. It runs on a wide range of inexpensive hardware, allowing consumer-grade technology to be used in environments where cost and inflexibility have been limiting factors. The source code for Field Book is available on GitHub.
Getting Started
Field Book can be downloaded from the Google Play Store or can be installed manually from the latest GitHub Release. After installing the app, all permissions should be accepted and sample data consisting of three fields and traits can be optionally loaded. The images in the documentation utilize the sample data.
Structure

Primary Field Book screen
Field Book contains a home screen with links to the major sections of the app. To use Field Book:
Import your
Fields
Create
Traits
Optionally modify any
Settings
Navigate to
Collect
Export data to a CSV (comma separated value) file
The Changelog can be accessed from the top toolbar to see new features and additions to the app.