Experimental Workshop

HaorGrix Lab.

Internal experiments, functional tools, and early-stage incubation products from our R&D engine.

Hi, can I book a meeting with the team next Tuesday?

Tuesday 10:30 AM works — booked. You'll get a calendar invite shortly.

Voice AI · Always on

Reiva

An AI receptionist that answers your business calls, books appointments, qualifies leads and never sleeps. Reiva picks up where your inbox stops, so you stop missing customers when you step away from the desk.

Open Reivaopens in new tab

100% free · No ads · No tracking

On your phone

Free Android apps from our team.

Quick, useful, no-cost utilities we built and shipped to the Play Store. Install in a tap, no signup, no in-app purchases.

Android App

Android · Free

Warranty Tracker

Snap a receipt, never lose a warranty. Pocket-sized peace of mind for everything you ever buy searchable, dated, photo-archived.

Install freeopens in new tab

Android App

Android · Free

ProVocab: English to Bangla

An English-to-Bangla vocabulary builder for daily two-minute practice. English word, Bangla meaning, sample sentence, and spaced repetition designed for Bangla-speaking learners.

Install freeopens in new tab

Android App

Android · Free

Grammar Gladiator

Conquer English syntax and punctuation via gamified learning modules. Real-time mechanics feedback wrapped in an epic progression loop.

Install freeopens in new tab

In your browser

Free web tools, no signup.

Off-cuts from the workshop. We needed them, polished them, left the door unlocked.

Web Tool

In-browser tool

Invoice Generator

Polished, brand-tunable invoices in under a minute. Export to PDF. No signup, no email harvest.

Try it

Web Tool

In-browser tool

Business Card Maker

Design and download a print-ready business card from a single form. Eight templates included.

Try it

Web Tool

In-browser tool

Certificate Generator

Bulk-generate certificates for cohorts, events and training programs. CSV in, PDFs out.

Try it

From the studio

Things we've built for clients and ourselves.

Case studies, internal experiments and research previews the work that doesn't ship to a download page.

module/
 src/
   engine.ts
   parser.ts
 docs.md

Live

Developer Intelligence

AutoDoc AI

Reads your codebase like a senior engineer and writes living documentation that updates with every push.

Explore

Pilot

Spatial Intelligence

UT Campus Twin

A live, dimensional twin of a 200-acre campus sensors, footfall, energy fused into one model.

Workflow AI

Smart PM

A co-pilot for project leads that drafts updates and flags slipping milestones before standup.

Explore

Internal

People Systems

HR Performance Engine

A continuous, signal-based performance graph built for our team, opened to a few friends.

Explore

HaorGrix Labs · curated from Dhaka11 experiments · 6 free to use