Reference managers
ACS ChemWorx 
Collaborative reference manager coupled with tools and services for authors.
CitationStyles 
Find and edit CSL citation styles.
Citavi 
Reference management, knowledge organization, and task planning solution.
CiteULike 
Search, organize and share scholarly papers.
Colwiz 
Create citations and bibliography and set up your research groups in the cloud to share files and references.
EndNote 
Software tool for publishing and managing bibliographies, citations, and references.
F1000 workspace 
A workspace for scientists to collect, write and discuss scientific literature.
Mendeley 
A unique platform comprising a social network, reference manager, article visualization tools.
Paperpile 
No-fuss reference management for the web (Google docs plugin).
Papers 
Helps you collect and curate the research material that you’re passionate about.
PaperShip 
PaperShip comes with PDF annotation tools to help you emphasize interesting results.
Zotero 
Helps you collect, organize, cite, and share your research sources.
Collaborative writing tools
ASCII doctor 
Text processor & publishing toolchain for converting AsciiDoc to HTML5, DocBook & more.
Atlas 
Write, collaborate, design and publish on a single platform.
Authorea 
Platform to write scientific, academic, and technical documents in collaboration.
Draft 
Version control and collaboration to improve your writing.
F1000 workspace
A workspace for scientists to collect, write and discuss scientific literature.
Fidus Writer 
Online collaborative editor especially made for academics who need to use citations and/or formulas.
Overleaf 
Online collaborative LaTeX editor, with direct submission to several publishers (ex WriteLaTex).
Penflip 
Collaborative writing and version control.
Pensoft Writing Tool 
Collaborative authoring, reviewing and publishing in one place.
ShareLaTex 
Collaborative on-line editor for Maths or Sciences.
Stackedit 
Markdown editor based on PageDown, the Markdown library used by Stack Overflow.
Typewrite 
A simple, real-time collaborative writing environment.
