The Audubon Bird Guide is a free and complete field guide to over 800 species of North American birds, right in your pocket. Built for all experience levels, it will help you identify the birds around ...

This copy is for your personal, noncommercial use only. 107 weeks on the list by Timothy Snyder Crown Twenty lessons from the 20th century about the course of tyranny. 94 weeks on the list by JD ...

Welcome Newbie Open Source Contributors! This is a list of resources for people who are new to contributing to Open Source. If you find additional resources, please create a pull request.