Web application development
Custom web apps built end to end: front end, back end, database and deployment. Fast, maintainable, and yours to own.
Software · Web platforms · Hosting tools
We build web software and the systems that run it.
JSC Cards is a software company. We design and ship web applications, SaaS products and developer tooling — including Vanta Panel, our self-hosted hosting control panel. Registered in South Africa, incorporated in Delaware, with an office in the EU.
Build Web apps & SaaS
Run Hosting & DevOps tooling
Ship From Johannesburg & Razlog
What we do.
SaaS products
Subscription software from idea to launch: billing, accounts, dashboards and the infrastructure behind them.
Hosting & DevOps tooling
Control panels, automation and server tooling. This is where Vanta Panel comes from: real infrastructure software we run ourselves.
APIs & automation
Integrations, data pipelines and internal tools that connect the systems a business already runs on.
Flagship product
Vanta Panel.
A self-hosted web hosting control panel, and a cPanel/WHM alternative. Customers install Vanta Panel on their own servers and manage domains, email, SSL, DNS, databases and backups from a clean admin (vWHM) and a customer-facing panel (vPanel).
- Free$01 account
- Starter$5/mo3 accounts
- Growth$8/mo10 accounts
- Unlimited$10/mounlimited
Products we've built
Our work.
A selection of products designed, built and operated in-house by JSC Cards.
01
Vanta Panel
Self-hosted web hosting control panel — a cPanel/WHM alternative.
vantapanel.com 02SwiftPDFEdit
Browser-based PDF toolkit: merge, split, compress, convert and sign, processed on your device.
swiftpdfedit.com 03Professional Invoice
Online invoice generator for freelancers and small businesses.
professional-invoice.com 04WriteMyAIPrompt
A tool for building and refining prompts for AI models.
writemyaiprompt.com 05Fines Calculator
A web calculator for estimating traffic fines.
finescalculator.com 06Jordan POS
A point-of-sale system for small retail and hospitality.
jordanpos.com 07eSIM Data
A web platform for browsing and buying eSIM mobile data plans.
esimdata.online 08WebIronShield
Website security and hardening tooling.
webironshield.comWhere we are.
Head office / ZA
Johannesburg
14 John Street, Selby
Johannesburg, Gauteng 1709
South Africa
EU representation / BG
Razlog
Tsarnako Street, fl. 1, ap. F107
2760 Razlog, Blagoevgrad
Bulgaria
Registered / US
Delaware
JSC Cards
Delaware C-Corporation
United States
Let's build something.
Tell us what you need built, or ask about Vanta Panel. We reply from the desk.
[email protected] Write to us