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An AI pair programmer that helps backend developers build and edit Express.js API services in the browser, with two-way GitHub sync, prompt enhancement, and collaboration.
Line0 is a web-based AI pair programmer for backend developers who want to build Express.js API services using natural language prompts.
Key capabilities include:
Pricing: Freemium. Free plan ($0) includes daily message limits and up to 10 public projects; paid plans include Plus ($17/month billed yearly), Pro ($85/month billed yearly), Team ($25/seat/month), and Enterprise (Custom). Annual billing offers a 15% saving.
Notable for its focus on backend-only workflows for Express.js, combining feature-scoped chat organization with GitHub-backed code management. It is in public beta, and a built-in browser API client, live preview sandboxes, and documentation generation are listed as upcoming features.
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