Vysper

Professional Interview Assistant with Invisible Screen Overlay

An AI-powered desktop tool that helps you excel in technical and professional interviews by providing intelligent, real-time assistance while remaining completely invisible to screen sharing and recording software.

Demo

https://github.com/user-attachments/assets/c5616482-3652-4686-b87b-e04d06572d2f

Perfect for Interviews

Completely Stealth - Invisible to Zoom, Teams, Meet, and all screen sharing tools Real-time AI Assistance - Instant help with coding problems, system design, and interview questions Professional Skills - Specialized modes for different interview types

Supported Interview Skills

• DSA (Data Structures & Algorithms) - Complete solutions with complexity analysis
• System Design - Architecture patterns and scalability approaches
• Programming - Multi-language coding assistance and best practices
• Behavioral - STAR method responses and professional scenarios
• Sales - Frameworks, objection handling, and closing techniques
• Negotiation - Strategic approaches and persuasion tactics
• Presentation - Structure, delivery tips, and visual design
• DevOps - Infrastructure, CI/CD, and deployment strategies
• Data Science - Analytics, ML approaches, and statistical methods

🚀 Quick Start

Installation

git clone <repository-url>
cd Vysper
brew install tesseract
brew install sox
npm install
npm start

Build Distributable App

Step-by-Step Build Process

1. Clone and Setup (first time only):

   git clone <repository-url>
   cd Vysper
   npm install
   

2. Create Your Build:

   # For your current platform (recommended)
   npm run build
   
   # Or specific platforms
   npm run build:mac      # macOS (.dmg + .zip)
   npm run build:win      # Windows (.exe installer + portable)
   npm run build:linux    # Linux (.AppImage + .deb)
   npm run build:all      # All platforms
   

3. Find Your App: Built files appear in dist/ folder

Build Commands Reference

# Basic builds
npm run build          # Current platform
npm run build:mac      # macOS (.dmg + .zip)
npm run build:win      # Windows (.exe installer + portable)
npm run build:linux    # Linux (.AppImage + .deb)
npm run build:all      # All platforms

# Development & testing
npm run pack           # Quick build for testing (no compression)
npm run clean          # Clean dist/ folder
npm run rebuild        # Clean + build current platform
npm run release        # Clean + build all platforms

Built apps will be in the dist/ folder:

• macOS: Vysper-1.0.0.dmg (installer) or Vysper-1.0.0-mac.zip (portable)
• Windows: Vysper Setup 1.0.0.exe (installer) or Vysper 1.0.0.exe (portable)
• Linux: Vysper-1.0.0.AppImage (portable) or Vysper_1.0.0_amd64.deb (installer)

Installing Built Apps

• macOS: Double-click .dmg file → Drag to Applications folder
• Windows: Run .exe installer or double-click portable version
• Linux: Make .AppImage executable (chmod +x) and run, or install .deb with dpkg

Clean Build Process:

rm -rf node_modules dist
npm install
npm run build

Essential Setup

1. Azure Speech (for voice commands)

   • Get free key from Azure Portal
   • Add to .env: AZURE_SPEECH_KEY=your_key

2. Google Gemini AI (for intelligent responses)

   • Get API key from Google AI Studio
   • Configure in app: Press Alt+G

📢 🎓 Students gets $100 free credits Azure, and Free Speech To Text for 5 hours of audio

Environment File

Create .env:

AZURE_SPEECH_KEY=your_azure_speech_key
AZURE_SPEECH_REGION=your_region
GEMINI_API_KEY=your_gemini_api_key

⌨️ Essential Shortcuts

Core Functions

Navigation

Session Management

Important Interaction Usage Tip

• Enable Interaction Mode to scroll, click, or select inside windows.
• Use Cmd+Up/Down (in Interaction Mode) to switch skills quickly.
• Click thorugh screen works only when interaction mode is disabled
• In Stealth Mode, windows are invisible to screen share & mouse.

🔧 Key Features

Stealth Technology

• Invisible to Screen Sharing - Completely hidden from Zoom, Teams, Meet
• Process Disguise - Appears as "Vysper" in system monitors
• Click-through Mode - Windows become transparent to mouse clicks
• No Screen Recording Detection - Undetectable by recording software

AI-Powered Analysis

• Screenshot OCR - Extract and analyze text from any screen content
• Voice Commands - Speak questions and get instant AI responses
• Context-Aware - Remembers conversation history for better responses
• Multi-Format Output - Clean text and code blocks with syntax highlighting

Interview-Specific Intelligence

• Problem Recognition - Automatically detects interview question types
• Step-by-Step Solutions - Detailed explanations with best practices
• Code Examples - Multi-language implementations with optimizations

💡 Pro Tips

During Technical Interviews

1. Position Windows: Place Vysper windows in screen corners before sharing
2. Use Voice Mode: Whisper questions during "thinking time"
3. Screenshot Problems: Capture coding challenges for instant solutions
4. Check Solutions: Verify your approach with AI before implementing

For System Design

1. Capture Requirements: Screenshot or voice record the problem statement
2. Get Frameworks: Ask for architectural patterns and trade-offs
3. Verify Scalability: Double-check your design decisions

Behavioral Questions

1. STAR Method: Get structured response frameworks
2. Industry Examples: Request relevant scenarios for your field
3. Follow-up Prep: Prepare for common follow-up questions

Important Technical Requirements (MUST INSTALL Before Running)

• Node.js 16+
• Tesseract OCR (brew install tesseract)
• Audio Tool (brew install sox)
• Azure Speech Services (Free tier available)
• Google Gemini API (Free quota included)

🚀 Advanced Usage

Session Memory

The app remembers your interview context across multiple questions:

🤝 Contributing

Contribute to make Vysper the ultimate interview companion, not a cheating tool!

Priority Areas

• New Interview Skills - Add specialized domains (Finance, Marketing, etc.)
• Language Support - Expand beyond English for global users
• Platform Extensions - Windows and Linux compatibility
• LLM Improvements - Multiple LLM Model selections for the response
• UI/UX Improvements - Enhanced interface and user experience

How to Contribute

1. Fork the repository
2. Star the project if you find it useful
3. Report issues for bugs or feature requests
4. Submit pull requests for improvements
5. Improve documentation and add examples
6. Share your success stories

⭐ Star this repo if Vysper helped you ace your interviews or you vibed with it!