What's the alternative?

Compare ProofHub VS Ziflow

vs
Homepage
Category Popularity beta
0-100% (relative to ProofHub and Ziflow)
85
85%
15%
15
0
0%
100%
100
100
100%
0%
0

References
These are some of the sources we've used to compare ProofHub and Ziflow
  1. Top 10 Free BaseCamp Alternatives (2014)