c15t
Open-source consent banner for GDPR/DSGVO with full developer control
GitHub
Repository →
1,682
Stars
Apache-2.0 @c15t/scripts@2.0.1 Apr 21, 2026
Since Jan 2025 18
open issues
AI Summary
c15t is an open-source consent management tool that runs entirely in the frontend and manages cookie banners as well as script loading. It offers maximum performance (89ms), full customizability and works with all common frameworks like React, Vue, Next.js and Svelte. Developers retain complete control over design and functionality.
✓ Pros
- + Extremely performant (89ms vs. 445-709ms for competitors) and minimal bundle size
- + Open source with full customizability of design and functionality
- + Framework-agnostic and works with React, Vue, Svelte, Next.js and more
✗ Cons
- − Relatively new (v2.0), therefore possibly less established than commercial solutions
- − Requires technical know-how for individual customizations
Use Cases
- → Implement GDPR/DSGVO-compliant cookie banners for websites and web apps
- → Set up performance-optimized consent management for marketing websites
- → Deliver geo-location-based consent banners with different languages
- → Load tracking scripts (Google Analytics, Meta Pixel etc.) in compliance with regulations
Who is it for?
Web developers and teams looking for a performant, customizable GDPR solution with full control instead of bloated SaaS alternatives
