holosbywebsilon
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ὅλος, holos: Greek for the whole

Your practice online

websilon builds bespoke online tools for practitioners in astrology, numerology and Human Design, shaped around the way they work.

Share your projectTake the tour

The base

A reliable calculation

The calculations start from NASA data. The Rosmaryn Ephemerides engine is written by websilon and checked every week.

See visuals

The image

Visuals in your style

Every visual comes from the calculation, to the exact degree, in your colours. Here are a few pieces of work, redrawn for holos.

See readings

Your voice

Readings in your voice

websilon structures your texts and method to build an AI assistant that replies in your style. Your PDF readings go out in your name.

See Pro Space

Connected

Your practice brought together

Around the Rosmaryn Pro Space, websilon connects your client records, sessions, PDFs and calendar. A booking made on your site lands in your Pro calendar, with one point of contact for everything.

See the features

For practitioners

Your whole practice, online

Pro page, calendar, client records, messages, newsletter, payments: websilon sets up the Rosmaryn Pro Space tools, with access to the text library and the calculation engine.

See an example

The shopfront

A website for your practice

The video shows Nathalie Rosmaryn's website, rebuilt by websilon, with her calendar and calculator linked to her Pro Space. Her words stayed exactly as they were.

See visibility

Presence

Be found at the right time

Search is where websilon started: your pages answer the questions future clients ask Google, ChatGPT or Perplexity.

Get in touch

The project

Let's discuss your project

Calculator, website, app or platform: websilon designs each project to suit your practice.

  1. A free discovery callThirty minutes on video to understand your practice.
  2. A mock-upwebsilon shows you your tool before building it.
  3. Launch and follow-upYour tool goes live, with the same contact afterwards.

Contact Baptiste+33 6 13 29 41 21

For a live reference, see Rosmaryn, an astrology and Human Design platform built by websilon.

Stars: Yale Bright Star Catalogue. Positions: Rosmaryn Ephemerides, from NASA's JPL DE442 ephemeris. Engine and code: all rights reserved.

0:00

Real recordings of the Pro Space, demo account.

Human Design practitioner and energy healer

Nathalie Rosmaryn

Where she started

An off-the-shelf theme, a page builder and bookings on an outside tool.

What websilon built

  • A bespoke theme, designed for phones first.
  • Pages rebuilt without a page builder.
  • Her Pro Space calendar built in, so bookings land straight in her calendar.
  • A Body Graph calculator linked to her account.
  • Online payment at the moment of booking.
  • A redesigned contact form.

What stayed the same

Her own words, exactly as she wrote them.

Contact Baptiste

Drag to look around. Pinch or scroll to zoom.

Fictional birth. Stars: Yale Bright Star Catalogue. Sky: Rosmaryn Ephemerides, all rights reserved.

The solar system

Drag to turn. Pinch or scroll to move closer. Tap a planet to fly there.

Milky Way: ESO/S. Brunier. Planet maps: Solar System Scope and NASA. CC BY 4.0. Stars: Yale Bright Star Catalogue.