BlackcurrantLabs
Free & Open Source

Build your platform
fast, free, and vibe-code friendly

Production-ready Next.js starters for B2C and B2B platforms. Skip the boilerplate. Start with substance. Two complete starter kits, battle-tested by real startups, ready for you to customize and deploy.

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Choose Your Starter

Two complete starter kits, each designed for specific use cases. Both free. Both production-ready.

FREE
B2C Starter
A complete foundation for consumer-facing platforms. Built for speed, engagement, and conversion.
  • User authentication & profiles
  • Product/catalog pages
  • Cart & checkout flow
  • Payment integration ready
  • Mobile-first responsive design
View Repository
FREE
B2B Starter
Enterprise-grade foundation for business platforms. Built for scale, security, and collaboration.
  • Multi-tenant architecture
  • Role-based access control
  • Dashboard & analytics
  • Team management
  • API-first design
View Repository

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Why Start Here

We've distilled years of client work into these starters. Here's what you get.

Move Fast
Idea to product in days, not months. Skip the boilerplate and focus on what makes your product unique.
Modern Defaults
Next.js + Tailwind CSS + shadcn/ui. The stack we use for our own client projects.
Best Practices
Accessibility, performance, and SEO baked in from day one. Production-ready out of the box.
Agentic-Ready
Clear structure and documentation that AI assistants can understand and work with effectively.

Who This Is For

Built for builders who want to move fast without sacrificing quality.

Solo Founders
Validate ideas quickly without getting stuck in setup hell.
Tiny Teams
Move fast with a solid foundation that scales as you grow.
Designers
Turn designs into working products without deep backend knowledge.
Makers
Ship side projects and experiments with professional quality.

What's Included

Everything you need to go from zero to deployed.

Project structure & conventions
Prebuilt UI components (shadcn/ui)
Routing & navigation patterns
Auth skeleton & middleware
SEO foundations & metadata
CI/CD guidance & examples
Linting, formatting & TypeScript
Testing examples & patterns
Documentation & README templates
AI-Ready

Built for Agentic Coding

These starters are designed with AI assistants in mind. The clear structure, comprehensive documentation, and logical organization make it easy for AI agents to understand and modify the codebase.

  • Clear file organization and naming conventions
  • Comprehensive inline documentation
  • TypeScript for better AI understanding
  • Modular components that are easy to modify
  • Consistent patterns throughout the codebase
# AI-friendly structure
src/
├── app/           # Next.js routes
├── components/    # React components
│   └── ui/        # shadcn/ui components
├── lib/           # Utilities & helpers
├── hooks/         # Custom React hooks
└── types/         # TypeScript types

# Clear conventions
- PascalCase for components
- camelCase for utilities
- kebab-case for files
- Co-located tests

Quick Start

Get up and running in minutes. Clone, install, and start building.

# Clone the B2C starter
git clone https://github.com/BlackcurrantLabs/blc-starter-next-b2c.git

# Or clone the B2B starter
git clone https://github.com/BlackcurrantLabs/blc-starter-next-b2b.git

# Navigate and install
cd blc-starter-next-b2b
pnpm install

# Start development server
pnpm run dev

Then open http://localhost:3000 in your browser.

Make It Your Own

Tips for customizing the starter to match your vision.

1
Swap UI tokens
Update colors, fonts, and spacing to match your brand in minutes.
2
Build core flow first
Focus on your unique value proposition before adding features.
3
Add analytics early
Understand user behavior from day one with built-in tracking hooks.
4
Ship MVP paid feature
Test monetization quickly with the payment integration skeleton.
5
Use feature flags
Deploy safely with the included feature flag pattern.
Our Philosophy

Why is this free?

Because great products don't fail due to missing boilerplate. They fail because of wrong architecture decisions, poor product strategy, scaling pain, security gaps, and shipping the wrong thing too slowly.

We give away the starting line,
because the real value isn't the starter. The real value is what happens after day one.

This is deliberate.

We want founders and small teams to:

  • Move fast without technical friction
  • Validate ideas without burning money early
  • Start with sane defaults instead of messy prototypes

And when your product starts getting real users, revenue, and complexity, that's where Blackcurrant Labs creates compounding leverage.

The honest truth most starter templates won't tell you

These starters help you begin. They don't help you win.

Successful platforms require far more than scaffolding:

  • Product-market fit decisions
  • Scalable system architecture
  • Payment flows and monetization strategy
  • Performance optimization
  • Security and compliance thinking
  • Analytics and growth funnels
  • Reliable deployments and CI/CD
  • UX decisions that convert users into customers

That's where most solopreneurs and small teams struggle,
not because they're bad builders, but because they don't have enterprise-grade product and engineering experience.

That's our edge.

Why partner with Blackcurrant instead of doing everything yourself?

We reduce founder cognitive load
You should focus on users, growth, and revenue. Not infrastructure debates, tooling choices, and production firefighting. We handle architecture decisions, scaling paths, and engineering best practices so you can focus on building something people actually want.
We've already made the expensive mistakes
Startups usually learn by burning months rebuilding things. We bring patterns learned from real production systems, not tutorials. That means fewer rewrites, fewer performance bottlenecks, and fewer 'we should've done this differently' moments.
We turn prototypes into real platforms
Most founders can build MVPs. Very few can turn them into reliable, secure, revenue-generating products. We help you cross that dangerous gap between 'It works on my machine' to 'Customers depend on this'.
We think in business outcomes, not just features
We don't just ship code. We optimize for conversion, retention, scalability, maintainability, and long-term cost efficiency. Because code that doesn't move business metrics is just expensive decoration.
We scale with you, not against you
You're never locked in. Use the starter freely. Build solo. Bring us in only when you need leverage. When you grow, we grow with you.

Our philosophy

Free starters create momentum. Professional execution creates successful companies.

We give you momentum. When you're ready to turn momentum into a real business,
Blackcurrant Labs is your unfair advantage.

Need Help?

Stuck on something? Have questions? We're here to help you get your project off the ground.

View on GitHubContact Us for paid support

Frequently Asked Questions

Everything you need to know about the starters.

Ready to build something great?

Join hundreds of builders who have launched their products with our starters. The best time to start was yesterday. The second best time is now.

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