Nintex and K2 are both workflow automation platforms, and since Nintex acquired K2 in 2020, they're now sold by the same company. The practical comparison today pits Nintex's core platform against the K2 legacy line Nintex is progressively consolidating under the Nintex Automation brand.

For K2 customers weighing their options, the choice today is less about Nintex versus K2 and more about staying inside the Nintex family or moving to a Microsoft 365-native alternative like FlowForma.

In this article I'll cover how Nintex and K2 actually compare today given the shared ownership, what the 2020 acquisition means for K2 customers thinking about their next platform, and how FlowForma fits as a credible third option outside the Nintex ecosystem.