Technology Stack

SECTION 3 — TECHNOLOGY STACK

3.1 Complete Stack

Layer	Technology	Purpose
Frontend	Next.js (App Router)	Primary web application framework
UI Components	ShadCN UI + compatible third-party ShadCN registries (e.g. ui.tripled.work, or as discovered via shoogle.dev MCP server)	Core component library — mandatory. Use direct ShadCN or pre-made components from compatible third-party ShadCN registries
Rich Text Editor	Lexical.dev	Block-based document canvas editor
Mind Map Canvas	Mind Elixir Core (`mind-elixir-core`)	Interactive mind map editor
Backend	Python + FastAPI	API server, document processing, pipeline orchestration
PDF Generation	WeasyPrint	HTML-to-PDF conversion engine
Slide Presentation	Reveal.js	Browser-based presentation mode
PPTX Generation	PptxGenJS (client-side, browser/Node JS) — `https://github.com/gitbrent/PptxGenJS`	Client-side `.pptx` file generation from structured JSON. Replaces v4 `python-pptx`. Built-in table auto-pagination; text pagination via shared height-estimator utility. See §17.1.
AI Q&A Generation	OpenRouter API (Structured Outputs)	Q&A item generation per §10.10 / §22B. Platform-wide API key; Super-Admin-configurable model + 4 fallbacks; per-Org token cap.
Database	Neon (PostgreSQL, accessed via Prisma ORM)	Primary data store
Image CDN	Cloudinary	Active-year image delivery and storage
Google OAuth	Better-Auth (with Google Identity provider)	Primary authentication (Google OAuth, Magic Link, Email+Password)
Google Drive API	Google Drive	Per-user cloud file sync and archival
Google Docs API	Google Docs	Parallel `.gdoc` save for online preview
Google Translate API	Cloud Translation	Multilingual document generation
YouTube (No API Key)	Public channel URL fetch (server-side) + iframe fallback	Channel feed browsing for video link attachment — no YouTube Data API OAuth scope required
Payments	Razorpay API	Super Admin-managed master Razorpay account for platform-wide billing and invoice management
Email Automation	Resend	Notifications and invoice delivery
Deployment	Google Cloud Run (containerised, serverless)	Frontend and backend deployment
Scheduling	Google Cloud Scheduler	Cron jobs for Compilation triggers, billing cycles, archival

3.2 Key Library References

Frontend

https://nextjs.org/

Component Library:

https://ui.shadcn.com/

Preferred Shadcn Compatible Styled Component Library:

https://ui.tripled.work/components

MCP Server to Search all 3rd party Shadcn Compatible Directories:

https://shoogle.dev/mcp-install

Backend

https://www.python.org/

APIs

https://fastapi.tiangolo.com/

Authentication

Better-Auth — Framework-agnostic authentication library:

https://www.better-auth.com/

Supports Google OAuth, Magic Link, and Email+Password authentication
Prisma-compatible database adapter
Session management with HttpOnly cookies
TypeScript-first with full type safety

https://cloud.google.com/

Google Services:

https://docs.cloud.google.com/translate/docs/translate-text

Access and update Google Slides programmatically with popular programming languages, including Java, JavaScript, and Python.View documentation

https://developers.google.com/workspace/slides/api/guides/overview

Access and update Google Docs programmatically, just like any other user.View documentation

https://developers.google.com/workspace/docs/api/how-tos/overview

YouTube has a number of APIs and tools that let you embed YouTube functionality into your own website and applications.

https://developers.google.com/youtube/documentation

Utility

Rich Text Editor:

https://lexical.dev/

Dynamic Slides Generation:

https://revealjs.com/

Dynamic Document Generation:

https://weasyprint.org/

Dynamic Mindmap Generation:

https://github.com/SSShooter/mind-elixir-core

https://docs.mind-elixir.com/

Email:

https://resend.com/docs/introduction

PPTX Generation (v5 — client-side JS):

https://github.com/gitbrent/PptxGenJS

Database

Primary Storage

https://neon.com/

For Image Storage CDN:

https://cloud.google.com/storage

https://cloudinary.com/

Payments

https://razorpay.com/docs/api/?preferred-country=IN

Hosting

https://cloud.google.com/run

Scheduler

https://docs.cloud.google.com/scheduler/docs/schedule-run-cron-job?_gl=19ms8py_gaMTA0ODE5NzQxNC4xNzcxNzUwOTA4_ga_WH2QY8WWF5*czE3NzI2MTQ2MTckbzgkZzEkdDE3NzI2MTQ2MzAkajQ3JGwwJGgw

​Technology Stack

​SECTION 3 — TECHNOLOGY STACK

​3.1 Complete Stack

​3.2 Key Library References

​Frontend