Carta has long enjoyed a place of honor among startups as the default for cap-table management. That dominance is now under threat amid a series of setbacks, including a noisy row with a customer.

Yin Wu has co-founded several companies since graduating from Stanford in 2011, including a computer vision company called Double Labs that sold to Microsoft, where she stayed on for a couple of years ...

Running a startup can be expensive, requiring a multitude of different subscriptions. Cap table management software, which helps founders organize their funding, can cost thousands of dollars a year.