Trigger.dev

Trigger.dev is an open-source platform for building durable AI agents and background workflows in TypeScript, with a free tier available. It provides fully-managed infrastructure for long-running tasks that survive crashes, redeploys, and refreshes. Core capabilities include building AI agents with human-in-the-loop approval, real-time streaming to frontends, concurrency control, queuing, and scheduled cron tasks. The platform offers observability with tracing and monitoring, elastic scaling, and supports TypeScript, Next.js, Bun, Remix, and Python scripts. Pricing starts with a free tier offering $5/month free credits, 20 concurrent runs, unlimited tasks, and 5 team members. It also provides self-hosting options. Trigger.dev is ideal for developers and solopreneurs building AI-powered applications that require reliable asynchronous task execution, such as AI customer support agents, media processing workflows, email sequences, and browser automation.