Podnex

Automated Podcast Creation Platform – SaaS + PaaS for end-to-end podcast production.

Overview

Podnex is a comprehensive platform that automates the entire podcast creation workflow, from script generation to publishing. It serves both workspace users through a web interface and API consumers through a robust PaaS layer.

Core Features

🎙️ Generation Pipeline

• Script Generation: AI-powered script writing from outlines or prompts
• Voice Synthesis: High-quality TTS with multiple voice options
• Audio Mixing: Automated music beds, transitions, and effects
• Episode Publishing: Direct export to MP3/WAV and RSS feeds

📝 Input Modes

• Script input (direct text)
• Outline input (AI expansion)
• File upload (text/audio)

✏️ Editing Layer

• Inline script edits
• Partial regeneration
• Segment replacement
• Full re-render capabilities

🔄 Automation

• Recurring episodes with templates
• Scheduled generation
• Queued batch processing

🔌 API Layer (PaaS)

• RESTful endpoints for external integrations
• Rate-limited API keys
• Webhook notifications
• Usage metering and billing

Architecture

Modules

• Auth: User authentication and authorization
• Workspace: Multi-tenant workspace management
• Projects: Podcast project organization
• Episodes: Episode creation and management
• Assets: Media storage and retrieval
• Generation Pipeline: AI-powered content creation
• Publishing: Distribution to platforms (Spotify, YouTube, RSS)
• Billing: Usage tracking and subscription management
• Admin: System administration and monitoring

Data Flow

User → Workspace → Project → Episode → RenderJobs → Assets → Publishing

Tech Stack

• Frontend: Next.js 15 with React 19
• UI: shadcn/ui components with Tailwind CSS
• Backend: Node.js/Bun runtime
• Database: PostgreSQL
• Queue System: Redis/RabbitMQ
• Storage: S3/Supabase for audio assets
• AI/ML: LLM providers for script generation, TTS providers for voice synthesis

Project Structure

This is a monorepo managed with Turborepo and pnpm workspaces:

podnex/
├── apps/
│   ├── web/          # Next.js frontend application
│   ├── api/          # Backend API service
│   └── tests/        # E2E and integration tests
├── packages/
│   ├── ui/           # Shared UI components (shadcn/ui)
│   ├── eslint-config/
│   └── typescript-config/
└── docs/             # Documentation and planning

Getting Started

Prerequisites

• Node.js >= 20
• pnpm 10.4.1+

Installation

# Install dependencies
pnpm install

# Run development servers
pnpm dev

# Build all apps
pnpm build

# Lint codebase
pnpm lint

Adding UI Components

pnpm dlx shadcn@latest add button -c apps/web

Components are placed in packages/ui/src/components and can be imported:

import { Button } from "@workspace/ui/components/button"

License

Private - All rights reserved