Top 7 Runtime Software SaaS Companies in May 2026

Oakland, California, United States

mimik’s mission is to empower businesses to operationalize agentic solutions by enabling freedom of choice, seamless adaptability, and sustainable growth. Without the right foundation, businesses risk building fragile systems—a house of cards waiting to collapse under the weight of complexity and inefficiency. mimik provides the robust, foundational platform needed to build intelligent, scalable systems that deliver real-time insights, interoperability, and new opportunities in the agentic economy. With offline-first capabilities and support for any combination of multi-LLM, modality, cloud, hardware, and OS, mimik enables businesses to reduce costs, unlock new revenue streams, and thrive efficiently in a distributed and continuously evolving world. With mimik, businesses are enabled to: - Build resilient systems, avoiding the fragility of a house of cards
 - Enjoy the freedom to choose any tools, AI providers, and cloud platforms without lock-in
 - Embrace adaptability and interoperability across technologies and ecosystems
 - Achieve significant cost savings and enhanced energy efficiency
 - Deliver real-time intelligence close to where customers interact
 - Future-proof their operations to remain competitive and innovative
 - Unlock new revenue streams through Knowledge-as-a-Service (KaaS) For more information, visit: https://mimik.com and https://developer.mimik.com

Global, United Kingdom

Payara is devoted to delivering Open Source Java Server Runtimes & supporting the future through our leading contributions to Jakarta EE, MicroProfile, GlassFish & the Payara Platform. Proud recipients of the UK's most prestigious business award, the Queens Award for Enterprise: International Trade. Our History When commercial support for GlassFish ended in 2014, Payara Server was created as a fully-supported drop-in replacement. Payara Services was born in 2016 to offer support solutions for the application server. By 2017, Payara Services had joined The Eclipse Foundation and the Payara Platform expanded to include Payara Micro and comprehensive commercial support options for development projects, in-production support, and consultancy solutions. In 2018, Payara Platform 5 was released and a new EU office was created to further support the rapidly growing company. Our Mission Payara’s Mission is to grow a sustainable business that imagines and creates innovative, trusted, open-source software and services that are widely used, deliver value and are loved by our users. Our Vision Payara is trusted as a global, commercial, open source company. As a successful business, we are aware of our responsibilities so we work to sustainable principles that benefit our customers, community and workers. We are recognised as a leader in creating innovative infrastructure software for now and the future. We provide industry-leading expertise and services that enable our users across a diverse range of industries to create world-class solutions. We are a growing, diverse and engaged team who have the freedom and support to develop our skills and potential. We are focused on delivering our mission while respecting and caring about each other. We are proud to nurture and grow an open, vibrant, collaborative community that builds on the needs of all to advance our software and services while providing support, stability and security.