GT Digital · Est. 2004 · Batticaloa 07°43′N 81°42′E

Digital systems,
built to the field standard.

GT Digital builds web platforms, mobile apps and geospatial systems for organisations that need technology to work the first time — refined over two decades of UN and government deployments across fifteen countries.

Start a project → See the field record
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Years in the field
0
Projects delivered
0
Countries served
Global Deployment Grid Live
Sectors
UN · Gov · NGO
Uptime
99.9%
Response
< 24h
01 — What we build

Ten capabilities,
one delivery standard.

From enterprise web platforms to humanitarian-grade geospatial systems — every engagement held to the same standard of precision.

Digital Build
01

Web Development

Custom platforms, portals and dashboards — performance-first, built to scale.

React · Node · PHP→ 02

Mobile App Development

Cross-platform iOS and Android apps with offline-first field capability.

React Native · Flutter→ 03

UI/UX Design

Research-led interface design that reduces training time and lifts adoption.

Figma · Prototyping→ 04

ERP Applications

Procurement, inventory, HR and finance unified into one operational platform.

Enterprise Systems→ 05

CRM & BMS

Client data, interactions and workflows centralised and automated.

Workflow Automation→ 06

Digital Marketing

SEO, content and performance campaigns backed by measurable data.

SEO · Strategy→
Specialised Consulting
07

GIS & Spatial Mapping

Map production and spatial analysis to humanitarian and government standards.

QGIS · ArcGIS · AGOL→ 08

Online Mapping & WebGIS

Interactive web maps and live dashboards — decisions in real time, in a browser.

Leaflet · MapBox→ 09

Proposal & Business Case Writing

Donor proposals and investment cases for UN, NGO and bank audiences.

UN · NGO · Donor→ 10

Project Design & M&E

Results frameworks, log frames and monitoring plans built to be evaluated.

Log Frame · M&E→
02 — Field record

Twenty years. Fifteen countries.
One standard.

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Projects
0
UN & Gov agencies
07.87°N 80.77°E
Sri Lanka
Web, GIS & data systems
15.87°N 100.99°E
Thailand
Regional information management
21.91°N 95.96°E
Myanmar
Humanitarian mapping
23.68°N 90.36°E
Bangladesh
Field data & WebGIS
00.02°S 37.91°E
Kenya
Spatial analysis & reporting
04.04°S 21.76°E
DR Congo
Peacekeeping data support
05.15°N 46.20°E
Somalia
Operational mapping
12.86°N 30.22°E
Sudan
Crisis information systems
48.38°N 31.17°E
Ukraine
Geospatial coordination
01.37°N 32.29°E
Uganda
GIS specialist deployment
54.00°N 02.00°W
United Kingdom
WHO GIS Centre — remote
03 — How we work

A method built
where failure wasn't an option.

The same disciplined process used on UN field deployments — now applied to every client engagement.

STEP 01

Scope

We map the real problem before a line of code — constraints, users, and the field conditions it must survive.

STEP 02

Design

Architecture and interface designed together, prototyped early, and tested against how people actually work.

STEP 03

Build

Delivered in short cycles with working software at every step — no surprises, no black boxes.

STEP 04

Sustain

We stay engaged after launch — supporting, scaling and evolving the system as the organisation grows.

Goperamanan Thirusenthivel, founder of GT Digital
Goperamanan Thirusenthivel
Founder · GT Digital
04 — The founder

Two decades mapping crises — now building your systems.

GT Digital is led by Goperamanan Thirusenthivel, a GIS and Information Management specialist who spent over twenty years delivering data and mapping systems for UN agencies across some of the world's hardest operating environments.

That work demanded software that performed under pressure, with no room for failure. GT Digital brings the same standard to web platforms, mobile apps and geospatial systems for businesses, governments and NGOs.

BSc · Geology & Computer Science MSc · GIS & Remote Sensing QGIS · ArcGIS · Python · React
Field deployments with
UNOCHA · UN DPKO · IOM · WHO
05 — Products

Products we build.

Software we create in-house — released for everyone to use.

⚙

GT Tools — 100+ Browser Utilities

A privacy-first toolkit — PDF, image, text, developer tools, calculators and more. Everything runs in your browser. No uploads, no sign-up.

→ ⬡

GeoForge — Geospatial Studio

Browser-based GIS — edit, clean & repair boundaries, fix topology gaps & overlaps, dedupe, analyse and export Shapefile/GeoJSON. No install.

→ ⚛

Learn — A/L Chemistry Platform

Tamil-first Advanced Level Chemistry — interactive periodic table, calculators, 50+ past papers & Tamil NIE textbooks.

→ ௐ

தமிழ் ஜாதகம் — Jathagam

Sri Lankan Tamil Vedic horoscope — birth chart, dasha, porutham, panchangam & more.

→ 🐟

Inland Aquaculture — Biofloc Tilapia Farm

Sustainable GIFT-strain tilapia raised with biofloc technology — zero antibiotics, minimal water exchange, fresh local supply. With an AI farm assistant.

→
06 — Start a project

Have a project that has to work?

Tell us what you're building. We reply within 24 hours with honest input on scope, approach and what it will take to do it properly.

Email gopi@gtdigital.tech → Message on WhatsApp
☏ +94 77 329 5228 ⌖ Batticaloa, Sri Lanka ◷ Mon–Sat · 09:00–18:00