School ERP & Mobile Management
eSkool
A comprehensive school management and ERP platform for tracking student attendance, homework, examinations, and fee administration across mobile devices and the web.
AndroidKotlinNext.jsPostgreSQLCloud
Independent Technology Studio
Engineering Ideas Into Real‑World Software.
CRDYO is an independent technology studio by Ritik Thakur. We design, develop, and publish native Android applications, cross-platform tools, and Linux system software.
Founded by Ritik Thakur — Software Developer & Computer Engineering Student.
Google Play Verified
3 Shipped Apps
eSkool
School ERP & Management
FastShare
Offline Device-to-Device Sharing
QR Scanner & Reader
Ad-Free Scanner & Generator
Android SDK 35 · Kotlin · ComposeProduction Live
Selected work
What has already been built.
Android apps, cross-platform tools, and systems projects — each with its source on GitHub.
Android Application
QR Scanner & Reader
An ad-free Android QR and barcode scanner supporting generation, batch reading, and multi-format conversions.
AndroidKotlin
Cross-platform Application
FastShare
High-speed local network file-sharing project for Android, iOS, and web without relying on external internet connectivity.
AndroidiOSWeb
Cross-platform / Mobile
Scientific CalcR Pro
An advanced scientific calculator with graphing, equations, matrices, vectors, statistics, and complex calculations.
FlutterDartRiverpodSQLitefl_chart
05
Android / System Utility
Battery Gyan
An offline-first Android battery monitor with battery metrics, charging information, responsive home-screen widgets, and customizable display settings.
KotlinJetpack ComposeMaterial 3Jetpack GlanceMVVMDataStore
About CRDYO
Focused on Systems, Mobile, and Open-Source Software.
CRDYO is an independent technology studio focused on building production software, solving practical engineering challenges, and contributing to open-source systems.
Founded by Ritik Thakur, CRDYO works across native Android engineering, cross-platform application development, modern web architecture, and Linux kernel tooling.
Founder
Ritik Thakur
Computer Engineering student and independent software developer building native Android apps, cross-platform tools, and Linux systems software.
Technical expertise
The toolkit behind the work.
Languages, frameworks, and infrastructure used across CRDYO projects.
Programming Languages
01- C
- C++
- C#
- Python
- Java
- Kotlin
- JavaScript
- Dart
Mobile Development
02- Android
- Kotlin
- Flutter
- Dart
- Android SDK
- Jetpack Compose
- Material 3
Frontend
03- HTML5
- CSS3
- JavaScript
- React
- Next.js
- Tailwind CSS
Backend
04- Node.js
- FastAPI
- REST APIs
Database
05- SQLite
- MongoDB
- Room Database
DevOps & Cloud
06- Git
- GitHub Actions
- CI/CD
- Vercel
- Cloudflare
- Cloudflare Tunnel
- VPS
- Nginx
Systems
07- Linux
- Bash
- Android System APIs
- ADB
- Shizuku
- Root tooling
- Networking