We make the apps you use, and we stand behind them.
Vizalgo is an independent software studio in France. Every product below is ours: we wrote it, we run it, we answer your messages.
See our products
Facts you can check
- 30 programming languages highlighted in Carouselr’s code blocks carouselr.com
- EN 16931 the European standard einvoicekit checks every invoice against einvoicekit.com
- 81 fragrance allergens of Regulation (EU) 2023/1545, built into craftconform craftconform.com
- 336,360 pilot reports Calmaboard’s estimate was tested against, before the app calmaboard.com
Four products. All of them ours.
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Carouselr
LinkedIn carousels with real code blocks. AI drafts the slides from one topic line.
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einvoicekit
EU e-invoicing tools for developers: validate and generate EN 16931 invoices by API, with a free web validator.
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craftconform
Labels for artisan soap and cosmetics, with the 81 fragrance allergens of Regulation (EU) 2023/1545 built in. In French.
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Calmaboard
Reads the weather forecast along your flight’s route and says, in plain words, when bumps are more likely.
App in development, coming to iPhone and Android.
How we build
Three principles, each with a public trace. Today all three are proven on einvoicekit.
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We check against the official rules.
einvoicekit checks each invoice against EN 16931 and the rules of its own format: XRechnung 3.0.2, Factur-X 1.09 or Peppol BIS 3.0.
Try the free validator -
Code you can read.
einvoicekit’s npm and Python packages are open source under the MIT licence, on GitHub, npm and PyPI.
Read the code on GitHub -
We watch it run.
A monitor outside Cloudflare checks einvoicekit’s website and API every 60 seconds, and its status page is public.
Open the status page
A question about one of our products? Write to us. We answer by email.
contactvizalgo.com