Case studies

How we build, in detail

Each study covers the problem, the architecture, the stack and the facts you can verify. Filter by technology to find work closest to your problem.

Published studies: 60
Technologies: 137

Stack

All React 52 Google Gemini API 51 PHP 47 PHPUnit 47 WordPress 47 Jest 46 REST API 41 WooCommerce 31 Tailwind CSS 25 TypeScript 13 Store API 10 MySQL 9 Embeddings 8 Vitest 8 Action Scheduler 7 Auth.js 5 HPOS 5 JSON-LD 5 MongoDB 5 Mongoose 5 Next.js 5 RBAC 5 Block editor 4 BullMQ 4 Gutenberg 4 Multi-tenant 4 Phaser 3 4 Playwright 4 Polaris 4 PostgreSQL 4 Prisma 4 Shopify 4 Stripe Checkout 4 Vite 4 Web Audio 4 WebGL 4 WP-Cron 4 Elementor 3 Gutenberg block 3 Gutenberg blocks 3 React Router 7 3 Redis 3 Stripe 3 WPBakery 3 Canvas 2D 2 Contact Form 7 2 Dokan 2 Express 2 Gemini 2 GraphQL Admin API 2 Gravity Forms 2 JavaScript 2 Leaflet 2 next-intl 2 Node.js 2 OpenStreetMap 2 Puppeteer 2 Rank Math 2 Socket.io 2 WCFM 2 WP-CLI 2 WPForms 2 Yoast SEO 2 A* pathfinding 1 Advanced Custom Fields 1 AI assistants 1 Akismet 1 Background jobs 1 bbPress 1 BFS pathfinding 1 Block themes 1 Brevo 1 Cart & Checkout blocks 1 Claude 1 CompressionStream 1 Custom tables 1 DOMDocument 1 Double-entry ledger 1 Dynamic blocks 1 Event Tickets 1 Fabric.js 1 Frankfurter / ECB rates 1 Function calling 1 Gamepad API 1 Google for Jobs 1 iCalendar (RFC 5545) 1 IMAP 1 IndexedDB 1 Inline SVG icons 1 JobPosting schema 1 Leaflet + OpenStreetMap 1 LearnDash 1 Lighthouse 1 Mailchimp 1 MIME 1 Overpass API 1 PayPal 1 PayPal Orders v2 1 PDF 1.4 1 pgvector 1 PHP GD 1 Polylang 1 Python test fixtures 1 QR (ISO/IEC 18004) 1 React Router 1 Schema.org Event 1 Schema.org FAQPage 1 Schema.org Menu 1 Secure Custom Fields 1 SEOPress 1 SFTP/FTP 1 Shopify Functions 1 Site Health API 1 Stripe Radar 1 Structured output 1 SVG charts 1 The Events Calendar 1 theme.json 1 three.js 1 Three.js 1 TranslatePress 1 Translation memory 1 Tutor LMS 1 Twilio-compatible SMS 1 Vanilla JS 1 Vanilla JS runtime 1 WAI-ARIA 1 WCAG 2.2 1 Web Components 1 Web Crypto (AES-GCM) 1 WebAssembly 1 WebAudio 1 WooCommerce emails 1 wordpress.org checksums 1 WP Job Manager 1 WPML 1 Yoast SEO / Rank Math 1

Industry

Business operations SaaS Communities & Publishing (WordPress)Content Management (WordPress)Customer Support (WordPress & WooCommerce)Directories & Local Business (WordPress)E-commerce (Shopify)E-commerce (WooCommerce)E-commerce (WooCommerce, B2B)E-commerce (WooCommerce, fashion and footwear)E-commerce (multi-vendor marketplaces)E-learning (WordPress LMS)Events & Publishing (WordPress)Events & Ticketing (WordPress)Games & interactive Healthcare SaaS Hospitality SaaS Inventory & distribution Lead management (WordPress forms)Marketing & lead generation (WordPress)Publishing & Content (WordPress)Publishing & Memberships (WordPress)Real Estate (WordPress)Recruitment & HR (WordPress)Restaurants & Hospitality (WordPress)Services & Appointments (WordPress)Social & creator economy Web Accessibility (WordPress)Web design & page builders (WordPress)Web publishing (WordPress)Website Operations & Security (WordPress)WordPress (navigation & site design)WordPress forms & payments WordPress plugins

Showing 1 of 60 studies using iCalendar (RFC 5545)

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DEV3 Technologies · own product · Services & Appointments (WordPress)

DEV3 AI Booking: DST-safe appointment scheduling where AI reads "Tuesday after 5" yet offers only real slots

Our own WordPress appointment plugin: services, staff, schedules, Stripe and WooCommerce payments, reminders and an admin calendar, plus AI that turns "Tuesday after 5 with Anna" into search constraints and never invents a free slot.

WordPress PHP React MySQL Google Gemini API Stripe Checkout

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