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    © 2026 Sebastian Alvarez

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    OpenStage

    Open-source platform for musicians and bands to generate viral clips and manage their social media presence. Uses FFmpeg WASM for in-browser video processing — no server needed.
    Live DemoSource Code
    OpenStage
    Role
    Full Stack Developer
    Timeline
    June 2024
    Status
    In Progress

    About the Project

    OpenStage is a comprehensive content creation platform designed specifically for musicians and bands. The platform enables users to generate viral short-form video clips for platforms like TikTok, Instagram, and YouTube without requiring any server-side processing. By leveraging FFmpeg WASM, all video manipulation happens directly in the browser, providing instant feedback and zero infrastructure costs.

    Key features include band management with role-based access control, invite codes for collaborative work, multi-format video exports optimized for different social platforms, and local audio transcription using OpenAI's Whisper model. The platform is built with a focus on privacy and performance, ensuring that creators can work efficiently without worrying about their content being processed on third-party servers.

    As the founder and full-stack developer, I initiated this project with a clear vision: to create a truly open-source solution for musicians like myself. Having experienced firsthand the challenges bands face in managing their social media presence, I identified critical deficiencies in existing tools — expensive subscriptions, data privacy concerns, and complex workflows that don't align with how musicians actually work. I approached the architecture with the constraint that everything must remain free to use, which drove key technical decisions: using FFmpeg WASM for client-side video processing to eliminate server costs, leveraging Supabase for scalable backend without infrastructure overhead, and choosing Vercel for deployment with their generous free tier. This open-source-first approach ensures that the platform remains accessible to independent artists while maintaining professional-grade capabilities.

    Technologies
    1. Interface

      • Next.js
      • React.js
      • Tailwind
      • FFmpeg WASM
    2. Data

      • Supabase
    3. Cloud & infra

      • Vercel
    4. Tooling

      • TypeScript

    Relevance

    Showcases advanced browser-based video processing using WebAssembly, real-time collaboration features, and a modern tech stack optimized for content creators.

    Next project

    VibeArchitectAI-First boilerplate generator optimized for AI-assisted development tools like Cursor and Windsurf. Analyzes project complexity and generates production-ready files in seconds.Next project
    listerineh.dev

    Full-stack engineer building AI agents, cloud platforms and web products. Based in Quito, working remotely.

    Open to new projects

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