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AI first

APEX – The AI-first B2B SaaS template.

A premium multi-page template for SaaS products, AI platforms, and tech startups. 16 pages, 24 sections, full dark mode, a blog system, and built-in AI support for Claude Code, Cursor, Copilot, and more. Built with Astro 6 and Tailwind CSS 4.

Buy now — €39

Price includes 19% VAT.

Live preview
APEX full homepage — warm off-white design with hero, problem section, and API connectors
APEX features page in dark mode with three-tier AI modes
APEX about page with company mission and team photo
APEX contact page with form and office details
APEX features workflow builder and six platform pillars
APEX pricing page in dark mode with three tiers
APEX careers page with testimonials and open positions
APEX job detail page with role description and benefits

About this template

APEX is a premium multi-page B2B SaaS template designed for AI platforms, developer tools, and tech startups. Its warm off-white aesthetic sets it apart from the typical dark or cold SaaS designs — creating a welcoming, trustworthy feel that converts.

The template ships with 16 page templates and 24 reusable sections — including heroes, feature showcases, pricing tables, testimonials, a full blog system with tags and pagination, and four ready-made landing page variants (SaaS, Startup, Portfolio, Contact). Every section is crafted with consistent spacing, typography, and design tokens.

A built-in design system page documents all colors, typography, components, and layout patterns. Full dark mode support is included with smooth theme transitions. Change your brand colors once in a single CSS file and they propagate everywhere.

Built for AI-assisted development

APEX is designed from the ground up to work with AI coding tools. It ships with an AGENTS.md file — a single source of truth that is natively read by Claude Code, Cursor, GitHub Copilot, Windsurf, Gemini CLI, and more. Every customization task is documented as a user journey with exact file paths and instructions, so your AI assistant knows exactly what to change and what to leave alone.

The built-in documentation page includes 15+ ready-to-use AI prompts for common tasks: replacing content, changing colors, adding pages, swapping fonts, updating navigation, and running quality checks. Each prompt works with any AI coding tool — just copy, paste, and go.

A design knowledge base with 8 canonical files guides AI tools on colors, typography, spacing, accessibility, and responsiveness — so generated code stays consistent with the design system. For Claude Code users, APEX includes 6 slash commands, 7 specialist review agents, and a multi-agent review system.

Features

  • 16 page templates and 24 reusable sections
  • AGENTS.md for Claude Code, Cursor, Copilot, Windsurf, Gemini CLI
  • 15+ ready-to-use AI prompts in the built-in docs page
  • 4 landing page variants: SaaS, Startup, Portfolio, Contact
  • Blog system with tags, pagination, and archive
  • Full dark mode with smooth theme switching
  • Design system page with live token reference
  • 11 shadcn/ui components and 5 layout templates
  • Astro 6 + Tailwind CSS 4 + React + TypeScript
  • Warm off-white design with premium aesthetic
  • Responsive navigation with frosted glass sticky pill
  • SEO optimized with structured data and Open Graph
  • Lighthouse scores: 99+ Performance, 100 Accessibility
Lighthouse Score Lighthouse Scores
Template Info Template: v1.0.4 Astro: 6.1.3 Tailwind CSS: 4.2.2 Released: Apr 2026 Last changes: Apr 2026 License: Premium

License

APEX is a premium template. Your purchase includes a license for unlimited personal and commercial projects. You may modify the template freely but may not redistribute or resell it.

Buy now — €39

Price includes 19% VAT.

Live preview

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Holger Koenemann, UX Designer and Frontend Engineer from Hannover, Germany

Greetings!🖖 I'm Holger, and TemplateDeck is my passion project. I care about the details — clean code, perfect layouts, and thoughtful design decisions. Got questions or feedback? Find me on GitHub on the web at holgerkoenemann.com or drop me a line at hey@templatedeck.com