Decisionize - Simplify decision making in 3 easy steps
Overleaf - The online platform for scientific writing. Overleaf is free: start writing now with one click. No sign-up required. Great on your iPad.
Flotsm - Anonymously seek opinions on everyday decisions
TeXstudio - TeXstudio is an integrated environment for writing LaTeX documents.
Decision Jam - Make better decisions quickly with your team
LyX - LyX is a document processor.