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.

Nebulous Notes - Nebulous Notes is a powerful, yet simple, text editor for note-takers, writers, and coders.

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

Jota Text Editor - Jota, pronouced as "i-o-ta", is a text editor designed for a long text file.