Top 5 iPaaS Software SaaS Companies in May 2026

Prairie Village, Kansas, United States

SOFTwarfare provides our customers with the KillerAppz product platform for enterprise security integration. KillerAppz is an iPaaS (integration platform-as-a-service) that acts as a platform for middle-ware and integration welding together the cyber security and network operations infrastructure for the customers who use KillerAppz. KillerAppz is a platform for cyber security leaders to standardize on which provides them a suite of cloud services enabling development, execution and governance of integration flows connecting any combination of on premises and cloud-based processes within their cyber security architecture. Theses processes, services and applications and data within individual or across multiple organizations become fully integrated for shared intelligence and acceleration of the business processes in a more automated and efficient manner. SOFTwarfare creates a well thought out equation for pro-active defense and response for your most important platforms to work toge

London, London, United Kingdom

Governments and NGOs worldwide trust OpenFn as their infrastructure backbone to connect Digital Public Goods with other digital services. OpenFn saves organizations time, enhances service delivery, and enables interoperability at scale. Open Function Group is a team of passionate global integration specialists and stewards of the OpenFn DPG. We've delivered solutions to the world's leading social sector organizations in 40+ countries across 4+ continents. OpenFn.org is an integration platform that provides a secure, stable, and scalable (S³) infrastructure for connecting any application and automation critical workflows. Learn more at https://www.openfn.org and https://docs.openfn.org