Project Noah is a free application that allows users to take pictures of organisms and post them to a worldwide database of organism spottings. Further features of the app include field missions and earning patches. The field missions are created by local members of the community, environmental groups and other various organizations to help them with research projects they may be conducting. The missions are a great way to get involved with local biological research!
The Science 360 is a free application tht includes videos and images on every topic in science, technology, engineering and math (STEM). The app gives you various options for categorizing the media, search options, news and articles that can be shared via Facebook, Twitter and email.
Leafsnap is a free interactive application that helps to identify trees' species. The app is filled with high resolution images of leaves, fruits and other parts of any kind of tree. To identify a species of the tree, the user must take a picture of their leaf against a white surface. Once the picture is taken, the app scans it and brings up a list of species with similar leaves for the user to pick from. Each species has many pictures of the tree parts and a wealth of information such has scientific names, habitats, map locations, etc.