workflows
(3)
Capacity
Capacity is a St. Louis-based AI support automation company whose unified CX platform uses agentic and generative AI to deflect support tickets, emails, and calls while assisting human agents in real time. Founded in 2017 by David Karandish and Chris Sims - the team behind the $900M+ sale of Answers - Capacity serves more than 20,000 organizations including Disney, NVIDIA, and American Express, and crossed $60M in annual recurring revenue in 2025.
Attio
The AI-native CRM rebuilding customer relationship software around flexible data and always-on revenue agents - trusted by more than 30,000 companies including OpenAI, Linear, and Ramp.
Mastra
Mastra is an open-source TypeScript framework for building production-ready AI agents, workflows, and retrieval-augmented generation pipelines. Built by the team behind Gatsby, it gives developers agents, durable workflows, memory, RAG, tool calling, evals, and observability in one stack - so JavaScript and TypeScript engineers can move from prototype to production without leaving their language. Mastra is developed by Kepler Software, a San Francisco startup, and reached 25,000+ GitHub stars and 300,000+ weekly npm downloads with adoption at companies like Brex, Sanity, Replit, and PayPal.