Bootstrap is a popular front-end framework for building responsive and mobile-first websites.
Best Startup Framework Alternatives ranked by AI · updated May 2025
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Startup Framework is a tool to help you build responsive websites quickly and efficiently.
Price: $249
🎯 designmodo.com/startup
Top 6 Startup Framework alternatives
Foundation is a responsive front-end framework that helps you build beautiful, responsive websites quickly and easily.
Materialize is a streaming database that maintains incrementally updated SQL views over changing data. It is designed for developers building real-time applications,...
Pros
- Strong incremental-view model for continuously updated results
- PostgreSQL-compatible SQL is more familiar than many streaming APIs
- Good fit for serving low-latency operational data to applications
Cons
- Requires more stream-processing design knowledge than Timeplus dashboards
- Less suited to ad hoc historical analytics than ClickHouse
- Cloud resource costs can rise with large or complex views
Free tier; paid plans from $75/mo
Bulma is a modern CSS framework based on Flexbox. It is open-source and easy to use for designing responsive web interfaces.
Materialize is a modern responsive front-end framework based on Material Design. It allows for rapid prototyping and is highly customizable.
Semantic empowers designers and developers by creating a shared vocabulary for UI.
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