Every app here was built to understand something deeply — how real-time collaboration works, what makes an auth system actually secure, why AI companions fail, how streaming video gets from a file to a browser. Code is how I learn. These are the receipts.
The tutorial series builds are based on Antonio Erdeljac's incredible curriculum — extended and customized throughout. Original projects marked with ✨.
AI companion with memory, personality, and voice. OpenAI + Pinecone vector memory + Replicate for voice synthesis.
AI SaaS platform — image generation, code generation, music, video. Full subscription model with usage limits per tier.
AI-powered meeting platform with real-time transcription, summaries, and action item extraction.
Slack-style team communication — channels, threads, direct messages, and file sharing. Real-time via Convex.
Discord-style community platform with servers, channels, voice/video rooms via LiveKit, and file uploads.
Notion-style doc editor — nested pages, drag-and-drop, real-time collaboration, file embeds, publish to web.
Jira-style project management — workspaces, projects, sprints, task boards, and member management.
Trello-style kanban with drag-and-drop cards, lists, attachments, activity logs, and Unsplash cover images.
Miro-style collaborative whiteboard with real-time cursor sync, sticky notes, shapes, and layers.
Canva-style design editor — templates, text, shapes, images, export to PNG/PDF. Built entirely in browser.
Google Docs clone — collaborative editing, comments, real-time presence, formatting toolbar.
Messenger/WhatsApp clone — conversations, group chats, real-time messages, read receipts, image uploads.
YouTube clone — video upload, processing, thumbnails, channels, subscriptions, comments, and search.
Spotify clone — playlists, liked songs, audio player with controls, Supabase storage for audio files.
Netflix clone — browse, search, genre filtering, watchlist, video playback, subscription gating.
Twitch clone — live streaming with LiveKit, chat, follower system, stream dashboard, and discovery feed.
Twitter/X clone — posts, replies, retweets, follows, notifications, image uploads, and trending topics.
Airbnb clone — property listings, search with filters, map integration, booking flow, and host/guest dashboards.
Full e-commerce platform — product catalog, cart, checkout, order management, admin dashboard, Stripe payments.
Multi-tenant e-commerce — one codebase, multiple storefronts. Each merchant gets their own domain, products, and analytics.
Duolingo clone — language lessons, streak tracking, hearts system, leaderboards, unit/lesson progression.
Full REST API reference implementation — authentication, CRUD, pagination, filtering, rate limiting, and docs.
NextAuth v5 (Auth.js) complete implementation — Google, GitHub, credentials, role-based access, middleware.
Database patterns with Prisma — relations, migrations, seeding, raw queries, soft deletes, and multi-tenant schemas.
The AI Agent Business Blueprint course covers the foundations behind every one of these projects — auth, databases, AI integration, deployment, and production ops.