Building the future of Swift web development, one type-safe function at a time.

I'm pioneering server-side Swift through production systems that prove the language's potential beyond iOS. My work demonstrates that Swift's type safety and expressiveness make it ideal for building robust web applications.

• coenttb.com ⭐ 7 - Full-stack Swift website running in production
• Boiler - Batteries-included Swift web framework with sensible defaults

• swift-html ⭐ 13 - Type-safe HTML DSL with integrated CSS support
  • swift-css-types - Complete CSS domain model
  • swift-html-types - HTML type definitions
• swift-html-to-pdf ⭐ 42 - Generate PDFs from HTML (my most-starred package)
• swift-server-foundation - Core server development tools
• swift-web-foundation - Web development utilities

• coenttb-mailgun - Type-safe Mailgun SDK
• coenttb-stripe - Complete Stripe integration
• swift-document-templates - Business document generation

• swift-environment-variables ⭐ 4 - Type-safe env var management
• swift-jwt - JWT creation and verification
• swift-password-validation - Comprehensive password rules
• swift-sitemap - XML sitemap generation

Legal Technology Advisor - Bridging law and code for groundbreaking life sciences:

• 100+ Study - Amsterdam UMC's pioneering longevity research
• Alzheimer Genetics Hub - Global genetics collaboration platform
• DEMENTREE Biobank - Advanced dementia research infrastructure

• 70+ open source packages demonstrating hypermodular architecture
• Production systems serving real users, not just demos
• Swift 6.0 strict concurrency throughout entire ecosystem
• Type-safe from database to DOM - compile-time guarantees everywhere
• Dual licensing strategy - Apache 2.0 for swift-*, AGPL for coenttb-*

I build tools that make wrong things impossible. Every abstraction removes entire classes of errors. My frameworks don't just work - they teach you how to build better systems.

Core beliefs:

• Type safety is a feature, not overhead
• Swift's future extends far beyond Apple platforms
• The best code is code that guides its users
• Building in public accelerates everyone's learning

• From Broke to Building in Public - Why I open-sourced my business
• A Journey Building HTML Documents in Swift - Evolution of type-safe HTML
• A Tour of PointFreeHTML - Deep dive into HTML DSLs
• Modern Swift Library Architecture - Building modular systems

• Website: coenttb.com
• Twitter/X: @coenttb
• LinkedIn: Coen ten Thije Boonkkamp
• Legal Practice: Ten Thije Boonkkamp

Currently accepting select consulting engagements in Swift development and legal technology. Have an interesting challenge? Let's talk.