From the workbench.

The libraries, APIs and experiments behind the apps. A few pages from my project notebook.

Adapsis

Demo

Adapsis is a dynamic product configuration and quote/sales management system for B2B manufacturers and custom-production businesses. Instead of fixed columns, products are defined through unlimited JSONB-based variation groups; the sales team configures products via dependent dropdowns and generates instant quotes with fixed/percentage/multiplier pricing effects and multi-currency support. It includes a CRM (customers, contacts, activities, tasks, deal pipeline), inventory tracking, sales quota/commission reporting, and role-based authorization (admin/production vs sales).

Next.js 16TypeScriptSupabasePostgreSQLTailwind CSSRadix UIFramer MotionRechartsZustandTanStack TableVercel

Try it: https://adapsis.vercel.app/login

Admin: admin@adapsis.com / Portfolyo2026!
Sales: satis@adapsis.com / Portfolyo2026!

Demo data resets automatically every night at 03:00.

Visit Adapsis View source

Smooth Icon

A universal icon library with 460+ icons and a searchable tagging system. Built for web and mobile interfaces.

ReactReact NativeTypeScriptSVG

Visit Smooth Icon View source

Native App Studio

Native App Studio is a website I developed to showcase mobile app development services and the work behind them.

Next.jsTypeScriptTailwind CSS

Visit Native App Studio

Websites

Vitrin

Vitrin is a side project where I design and develop fully custom promotional websites for venues such as boutiques cafes, restaurants, and gyms. Each site is tailored to the business, and a management panel is set up around its needs so owners can keep their content up to date themselves.

Firebase HostingVite.js

Visit Vitrin

APIs & Backends

CvCreator API

I developed this backend system using ASP.NET Core based on Clean Architecture. Users can log in via Google or use the app as guests to create resumes and cover letters. I utilized Playwright for generating PDFs and PostgreSQL as the database. The project implements best practices like rate limiting, global error handling, and JWT authentication. The API is fully functional and hosted on my own Linux VPS.

ASP.NET CoreClean ArchitecturePostgreSQLPlaywrightDocker

View source

Chit Chat API

ChitChat is a real-time messaging system developed with ASP.NET Core. Users can register, log in, and send instant messages to each other. I used SignalR for real-time communication and implemented JWT Bearer Authentication for secure identity management. The API is developed with AspNetCoreRateLimit for rate limiting and a custom exception handling middleware for centralized error management. The solution also follows a lightweight Clean Architecture approach to ensure maintainability and separation of concerns. The application is containerized with Docker, uses Azure SQL as the database, and has been deployed on Microsoft Azure.

ASP.NET CoreClean ArchitectureDockerSignalRJWT Bearer

View source

LexiBox API

I developed an API for an educational app which is called LexiBox. Users can submit new words in any language to learn, take a quiz from their saved words. I built the API according to Vertical SliceArchitecture using ASP.NET Core. Also, I used SeriLog for logging the requests and errors to the files. I implemented global exception handling, and mapping endpoints middlewares. The application is containerized with Docker, uses PostgreSQL as the database.

ASP.NET CoreVertical Slice ArchitectureDockerSeriLogPostgreSQL

View source