Question: I need a workflow engine that can automate and orchestrate complex business processes at scale, while maintaining control and flexibility.

If you need to automate and orchestrate large-scale business processes, Abstra is a good choice. It marries code and AI to boost productivity with features like smart forms, multiple automation triggers and a built-in database. With features like auditable logging and on-premise hosting, Abstra is designed to give you control and flexibility. It also integrates with services like Slack and offers a VS Code Extension for designing workflows graphically.

Another high-powered option is Workato, which is particularly good at bridging multiple applications and services. It automates processes in IT, marketing, HR and other areas, using more than 1200 pre-built connectors and AI to help with transformation. With a container-based architecture, Workato is designed to scale up and down and to provide end-to-end security, and it's well suited for companies trying to catch up with integration backlogs and complex workflows.

Pega is a full-featured option with AI decisioning and workflow automation, geared for large enterprises. It includes products like the Pega Platform, Customer Decision Hub and Customer Service designed to address a range of business challenges like customer engagement and operational optimization. Pega is designed to scale and be flexible, so it's a good choice for enterprise-level needs.

If you prefer a developer-oriented option, PROCESIO offers no-code and low-code automation. It combines high-performance processing with a Forms & Tasks Designer and customizable actions, so it's useful for both technical and nontechnical people. PROCESIO is designed to handle complex workflows and can be integrated with a wide range of industries and use cases.