EndNote - Accelerate Your Research. Save time, stay organized, collaborate with colleagues and get published with EndNote 20.

Coastline - Simple minimalist text editor. Create, open, edit and save plain text files.

Mendeley - Easily organize your papers, read & annotate your PDFs, collaborate in private or open groups, and securely access your research from everywhere.

DroidEdit - DroidEdit is a text and code editor for android tablets and phones with the following features:

Zotero - Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share research.

OneNote - Get the OneNote app for free on your tablet, phone, and computer, so you can capture your ideas and to-do lists in one place wherever you are. Or try OneNote with Office for free.