Gallery How It Works Pricing Sign up / Login
Reverse-engineering real systems

Learn system design by reverse-engineering real software systems

Explore architecture, request flows, and core components of production-grade open-source systems.

Explore Open Source Gallery Analyze Your Own Codebase
50+
Languages Supported
2-5 Min
Average Analysis
100 MB
Project Size

See What You'll Discover

Architecture diagrams, user flows, and execution traces — all auto-generated

Architecture Diagram

Architecture

System structure & layers

User Journey Flows

User Flows

Action-to-code traces

Execution Flow

Execution Flow

Logic & decision paths

Guided Code Walkthrough

Code Walkthrough

Step-by-step exploration

Explore Full Gallery

Master the Skills AI Can't Replace

"Knowledge of syntax and programming languages... are losing their relevance. What matters now: Systems design and architecture, innovative product thinking, deep domain knowledge."
— Matt Biilmann, CEO of Netlify

🧠

Systems Thinking

How components interact, where bottlenecks occur, and what trade-offs exist at scale.

✓ Architecture diagrams
✓ User interaction flows
✓ Dependency tracking

🏗️

Architectural Intuition

Why patterns are chosen, how auth flows across services, and which designs solve specific problems.

✓ Pattern identification
✓ Design decisions explained
✓ Real-world examples

⚙️

Technical Depth

Algorithms in action, data structures solving real problems, and design patterns that scale — see CS concepts applied in production.

✓ Algorithms in context
✓ Data structure applications
✓ Design pattern recognition

🔀

Decision-Making Logic

User action to database — trace which code executes, how data flows, and where transformations happen.

✓ Step-by-step code traces
✓ Data transformation tracking
✓ Performance insights

See How It's Built, Then Build It Yourself

Trace User Actions Through Code

See exactly what code executes when a user performs an action. Like debugging, but for learning — follow the execution path from user click to final result.

Entry to Exit Path

User sends command to compress file → Which function catches it? → What validation happens? → How is the file processed? → Where is the result sent?

START → validateInput() → processFile() → compress() → sendResponse() → END

"How It Works" Explanations

Every step includes detailed explanations of HOW the code works and WHY that approach was chosen — not just what the code does

Key Variables & Performance

See which variables matter at each step, their values, and identify performance bottlenecks in the execution flow

Concrete Examples

Real examples showing how data transforms from user input to final output, making abstract code tangible

System Architecture Visualization

Automatically generated architecture diagrams that show the big picture of your system's structure

%%{init: {'theme':'dark'}}%% flowchart TD subgraph "1. User Interfaces" A["GUI File Manager
(App.cpp, App.h)"] B["Console Application
(Main.cpp, 7zMain.c)"] end subgraph "2. Application Core" C["Orchestration & UI Logic
(Command Parsing, File Ops)"] end subgraph "3. Archive Format API" D["7-Zip Archive Handler
(7z.h, 7zDec.c)"] end subgraph "4. Codec & Filter Library" E["LZMA / LZMA2 Codecs
(LzmaEnc.c, LzmaDec.c, Lzma2Enc.c)"] F["Other Codecs & Filters
(PPMd, BCJ2)"] end subgraph "5. Platform Abstraction & System Services" G["System Wrappers
(NWindows, NFile, NSystem)"] H["OS-Specific APIs
(Windows API, POSIX)"] end A --> C B --> C C --> D D --> E D --> F C -.-> G D -.-> G E -.-> G G --> H

Business Logic Flow

Understand the decision-making logic and data flow in your application

%%{init: {'theme':'dark', 'fontSize': '12px'}}%% flowchart TB A[Start Processing] B{Choose Source} C[Upload PDF] D[Load Sample] E{Validate & Extract} F[Error] G[Show Text] H[Fill Form] I[AI Analysis] A --> B B --> C B --> D C --> E E --> F E --> G D --> G G --> H H --> I style A fill:#ff006e,stroke:#cbd5e1,stroke-width:1px,color:#fff style C fill:#00f5ff,stroke:#cbd5e1,stroke-width:1px,color:#000 style E fill:#8338ec,stroke:#cbd5e1,stroke-width:1px,color:#fff style G fill:#ff006e,stroke:#cbd5e1,stroke-width:1px,color:#fff style I fill:#00f5ff,stroke:#cbd5e1,stroke-width:1px,color:#000

DIY Learning Modules

Progressive skill-building through guided exploration and hands-on rebuilding exercises

Intermediate

Understanding Authentication Flow

Learn how JWT authentication works in modern web applications

5 Steps
Advanced

Database Design Patterns

Master the art of designing scalable database schemas

7 Steps
Beginner

API Architecture Fundamentals

Build robust REST APIs with FastAPI and best practices

6 Steps

Learn Concepts That Actually Stick

Algorithms & Data Structures matter — but only when you see them solve real problems.

❌

Traditional Learning

  • 📚 "Binary Search is O(log n)"
    Memorize for interviews
  • 📚 "Tries store strings efficiently"
    What's a Trie again?
  • 📚 "Here's how to implement OAuth"
    Copy-paste from docs
→
✅

Production Reality

  • 🔍 How Elasticsearch searches millions of records in milliseconds
    See binary search in action
  • 🔍 How VS Code autocomplete uses Tries for instant suggestions
    Understand why it's fast
  • 🔍 How Supabase handles OAuth edge cases in production
    Learn the "why" behind decisions

Revibe shows you REAL implementations, edge cases, trade-offs, and patterns battle-tested in production.

How It Works

1. Choose a Project

Explore curated examples, import a GitHub repo, or upload your own code (ZIP). Supports 50+ languages.

2. AI-Powered Analysis

Revibe maps architecture, traces dependencies, extracts behavioral patterns, and identifies key concepts. Analysis completes in 2-5 minutes.

3. Explore & Understand

Navigate architecture diagrams, trace user interaction flows, explore design patterns, and understand how code executes from user action to database.

4. Build It Yourself

Follow guided DIY modules to rebuild components and test your understanding through hands-on implementation.

What Developers Say

Real feedback from beta users exploring codebases with Revibe

"

It analyzed my project and honestly helped me understand the contents better. The architecture and features were too good. The coolest part is I could even learn through examples, which I loved. The deep dive was actually crazy.

D

Beta User

Developer, via Reddit

"

It was pretty smooth. I uploaded a large-ish project at 70MB and it didn't take nearly as long as I expected. The tab style UX on the sidebars is super intuitive. The obsidian-like graph is a nice touch.

D

Beta User

Developer, via Reddit

Explore Sample Projects

See Revibe in action with pre-analyzed open source projects. No signup required — dive straight into architecture diagrams, behavioral insights, and learning paths.

7-Zip

Explore the legendary file archiver's compression algorithms, LZMA codec implementation, and multi-format support architecture

C++ Compression Algorithms
Explore Project →

OBS Studio

Dive into the professional video recording and live streaming software's architecture, scene composition, and real-time encoding pipeline

C++ Video Processing Streaming
Explore Project →

nanochat by Andrej Karpathy

Learn from Andrej Karpathy's minimalist AI chat implementation — clean architecture, transformer models, and elegant simplicity

Python AI/ML Chat
Explore Project →

Once you've explored the examples, try analyzing your own projects or public GitHub repos

Get Started Free

Simple, Pay Per Project

No subscriptions. Pay only when you need to analyze a project.

Free

Try it out, no commitment

₹0 forever

2 projects included

Get Started Free
  • 2 projects (lifetime)
  • 2 Deep Dives per project
  • 100 MB project size
  • Architecture diagrams
  • User & Business Logic Flows
  • DIY Learning Modules
  • Full gallery access
POPULAR

Per Project

Pay as you go

₹300 /project

One-time payment

Analyze a Project

Everything in Free, PLUS:

  • 1 project analysis
  • 3 Deep Dives per project
  • 100 MB project size
  • DIY Learning Modules
  • Concepts Explorer
  • No expiration
BEST VALUE

Builder Pack

Master it & rebuild yourself

₹2,500

10 projects (₹250/project - save 17%)

Get Power Pack

Everything in Per Project, PLUS:

  • 10 project analyses
  • 5 Deep Dives per project
  • 100 MB project size
  • DIY Learning Modules
  • Priority processing queue
  • No expiration

Free: Try 2 projects • Per Project: Pay as you go • Builder Pack: Best value for serious learners

Need team features or custom solutions? Contact us

Ready to Break Things Open?

Join developers mastering systems thinking, architecture, and domain knowledge — the skills that matter in the AI era

Start with Examples Or Sign Up Free

Free forever • No credit card required • 50+ languages supported