Plain

Plain provides AI-driven support infrastructure and a unified workspace for B2B teams to manage customer communications across Slack, Microsoft Teams, Discord, and email. The platform features an API-first architecture that allows companies to deploy AI agents, automate workflows like auto-triage and routing, and integrate with external tools such as Linear and PagerDuty. It is designed for fast-growing support teams that require extensible tools to handle complex customer interactions and generate automated insights from support data.