Managing quotes and invoices after a full day on site is still one of the biggest productivity killers for UK self-employed and small businesses.
So we built FactuLingua — an AI-assisted invoicing and quoting platform designed to work across web, desktop and Android.
This is not just a landing page project — the full system is live and in active use.
🌍 Live platform
Main website
https://factulingua.com
Web application
https://web.factulingua.com
💻 Desktop builds
Windows and Linux versions are available as native installers:
Latest release
https://github.com/factulinguacom-png/factulingua/releases
Direct downloads:
Linux (DEB)
https://github.com/factulinguacom-png/factulingua/releases/download/v1.0.2/factulingua_1.0.2_amd64.deb
📱 Android version
Google Play
https://play.google.com/store/apps/details?id=com.factulingua.mobile
⚙️ What makes it different
Instead of manually calculating every job:
- describe the work
- AI helps structure the quote
- pricing becomes faster and more consistent
- convert to invoice in seconds
Core features:
- AI-assisted quote creation
- fast invoice generation
- automatic numbering
- VAT-ready workflows for the UK
- cloud sync across devices
- secure subscription handling
🧱 Tech stack
Backend
FastAPI + PostgreSQL
Frontend
Flutter (Web, Android)
Desktop
Electron builds for Windows and Linux
Infrastructure
VPS (Debian) + cloud sync architecture
🎯 Who it’s for
Trades and small businesses:
- builders
- electricians
- plumbers
- cleaners
- mobile services
People who don’t want to spend evenings doing admin.
🚀 Why we’re sharing this
We’re actively improving the platform and shipping new desktop and mobile builds.
Feedback from developers and SaaS builders is very welcome.
🔗 Useful links
Website
https://factulingua.com
Create free account
https://web.factulingua.com
GitHub repository
https://github.com/factulinguacom-png/factulingua
Desktop downloads
https://github.com/factulinguacom-png/factulingua/releases/tag/v1.0.2
If you’re building a cross-platform SaaS or working on Flutter + desktop distribution, I’m happy to exchange experience.
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