Best esbuild Alternatives

Steel is an open-source browser API purpose-built for AI agents, providing managed headless browser sessions with anti-bot bypass, proxy rotation, CAPTCHA solving, and session persistence. It handles the infrastructure layer that browser automation agents like Browser Use and Stagehand run on top of. Self-hostable or available as a cloud service. Over 6,000 GitHub stars.

Trigger.dev is an open-source platform for building and deploying background jobs, AI agents, and long-running workflows in TypeScript. It eliminates serverless timeouts with durable task execution, automatic retries, queue-based concurrency control, and elastic scaling. Used by 30,000+ developers at companies like MagicSchool and Icon.com, it processes hundreds of millions of agent runs monthly. Backed by a $16M Series A led by Dalton Caldwell's Standard Capital fund.

Dokploy is a free open-source platform-as-a-service for self-hosting applications without cloud vendor lock-in. It provides automated deployments from Git repositories, built-in SSL certificates, database provisioning, Docker and Docker Compose support, and a clean web dashboard for managing multiple applications on your own servers. With 18,000+ GitHub stars, it fills the gap for teams wanting Vercel-like deployment simplicity on their own infrastructure.

SWC is a super-fast JavaScript and TypeScript compiler written in Rust that serves as a drop-in replacement for Babel. It compiles modern JavaScript and TypeScript to backward-compatible versions up to 20x faster than Babel by leveraging Rust performance and parallelism. SWC handles JSX transformation, TypeScript stripping, module transpilation, and minification in a single tool, and powers major frameworks including Next.js, Parcel, and Deno.

Rolldown is a high-performance JavaScript and TypeScript bundler written in Rust, built as the next-generation bundler for Vite. Created by Evan You and VoidZero, it offers a Rollup-compatible plugin API with 10-30x faster builds. It combines esbuild-level speed with full Rollup ecosystem compatibility, supporting tree-shaking, code splitting, and advanced optimizations natively. With 13K+ stars and MIT license, it is set to become the default bundler for Vite 8.