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  • AizenRex
  • Dhaka, Bangladesh

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aizenrexx/README.md
Aizenrex x Riyad - Software Architect, Cybersecurity Enthusiast, Automation Wizard
Typing SVG




Projects   |   Stack   |   Stats   |   Contact

Who I am

I build tools that do one thing properly.

On Windows that means native applications in C# and .NET - search engines that read the NTFS Master File Table directly, folder switchers that journal every write so a crash can never lose your data. On the web it means full-stack TypeScript: React and Next.js front ends over Express and PostgreSQL, wired end to end.

I care about the unglamorous parts: what happens when the power cuts out mid-write, what a failure looks like at 2am, whether an uninstall leaves anything behind. Software should be honest about its own limits.

Also known as nullcove - the name I keep for the security and automation side of the work.

What I build

AizenRex Search-man

An ultra-fast native Windows file search engine. Reads the NTFS Master File Table directly instead of crawling the filesystem, so results are effectively instant across millions of files.

C# NET 9 WebView2 MFT / USN Journal

Repository

AizenRex Steam Switcher

Keeps two Steam installations side by side and swaps which one is live - with a journal before every write, a config backup, and a one-click repair if a switch is ever interrupted.

C# NET 9 WPF Inno Setup

Repository  /  Latest release

Link Haven

A full-stack bookmark manager. Collections, tags, AI-powered search and auto-tagging, a command palette, reading mode, duplicate and broken-link detection, and an analytics dashboard.

React Vite Express 5 PostgreSQL Drizzle Gemini

Repository

Proton Pass

A full-featured password manager clone - vaults, item types, a password and passphrase generator, a strength scorer, and a security centre that surfaces weak and reused passwords.

React Vite Express PostgreSQL Drizzle

Repository

Smart Notes

A notes app in the Standard Notes mould: a three-panel workspace with starring, archiving, trash, tags, full-text search, auto-save, a rich-text editor, and an AI assistant with multi-provider routing and persistent memory.

Next.js 15 React 19 Express 5 Insforge Tiptap

Repository

Amar Hisab

A personal accounting and expense tracker, built for day-to-day use rather than a demo. Dashboard, categories, charts and a clean Bengali-first interface.

Next.js 15 TypeScript Tailwind CSS Recharts Motion

Repository  /  Live

Also: Steam AAA/AA Deals - an auto-generated tracker of AAA/AA Steam titles at 80-100% off.

Stack

Native / desktop



Web / full-stack



Tooling

Stats



Contribution graph

Contact
Name Aizenrex x Riyad
Also known as nullcove
Based in Dhaka, Bangladesh
Focus Windows tooling / security / automation / full-stack

Repositories   |   Steam Switcher releases   |   Search-man releases



Build it so it survives the crash.

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  1. ledger-knox ledger-knox Public

    Amar Hisab (My Ledger) - a personal accounting and expense management app. Next.js 15, TypeScript, Tailwind CSS and Insforge.

    TypeScript