Independent Software Studio

Simple software.
Built for real work.

GaMa Indie builds focused tools for billing, documents, and daily operations—fast to learn, reliable to use, and designed for real workflows.

Simple tools
Easy to use
Built for small businesses
Clean workflows

BillAstra for Windows

Invoice & Quotation Generator for Windows

Live Product
Invoice #INV-1828GST Ready
Business ProfileSaved
Customer DetailsAdded
PDF TemplateModern

Mode

Offline

Pricing

One-Time

Why it stands out

Fast billing workflow, professional invoice output, and no subscription lock-in — now available for Windows, with mobile coming soon.

Why Us

Why choose GaMa Indie

Simple, offline-first tools designed for small businesses and everyday work.

Works Offline

No cloud dependency. Your data stays on your system.

Simple Pricing

One-time purchase. No subscriptions.

Small Business Friendly

Built for freelancers, shops, and service businesses.

Professional Output

Clean invoices and documents ready for business use.

Products

Products you can use today

Start with BillAstra and expand with more tools as they launch.

Available Now

BillAstra for Windows

Recommended • Start here

Offline invoice & quotation generator built for practical business work on Windows.

Coming Soon

BillAstra for Mobile

A simpler mobile experience for creating invoices and quotations on the go.

Coming Soon

Expense Tools

Simple utilities to help small businesses track and organize daily spending.

Primary Product

BillAstra for Windows

A complete offline invoice & quotation solution for small businesses.

Invoice & Quotation
Offline Use
GST Ready
One-Time Purchase
Windows App

Designed to simplify billing with a fast workflow, clean PDFs, and no subscription dependency.

Product Preview

See BillAstra in action

Real screenshots showing how simple and clean your billing workflow looks.

Create GST invoices in minutes with an easy workflow

Create Professional GST Quotation easily

Clean and professional PDF invoices

Beautiful modern invoice templates

Compact quotation for quick service businesses

How It Works

Create invoices in 3 simple steps

BillAstra keeps your billing workflow straightforward, fast, and practical.

01

Enter Business & Customer Details

Add your business profile, customer information, and invoice basics in a simple form.

02

Add Items & GST

Quickly add products or services, set quantity and price, and apply GST when needed.

03

Download Professional PDF

Generate a clean invoice or quotation PDF that is ready to share or print.

No Cloud Required

One-Time License Fee

Small Business Friendly

Clean PDFs

Upcoming

More tools coming soon

We’re expanding with tools for expenses, documents, and simple business workflows—built with the same offline-first approach.

BillAstra for Mobile
Expense tracking utilities
Business helper apps
More offline-first products

About

Independent software, built with focus

GaMa Indie is an independent studio building focused, affordable tools. We prioritize clarity, speed, and software that solves everyday tasks.

Start Here

Start with BillAstra for Windows

An offline invoice & quotation app for Windows—fast billing, clean PDFs, and no subscriptions. Mobile version coming soon.