Products

Candelabra

See any luminaire at work. In your browser.

eulumdat.icu Source★ 7AGPL-3.0-or-laterUtilities / Generators & Calculators

AI Benchmark
Desktop
Mobile
Monthly visits
<5K
Sep 2026
Public revenue
Undisclosed
No public revenue evidence yet
Entry price
Free
No monthly subscription pricing
Creators
holg
GitHub @holg
Launched
11mo ago
2025-12-21 · Est.

Traffic

Last 12 months
Monthly visitsData through Sep 2026 · Oct 2026 pending
Events1 marketing move

Marketing moves

Launches, search & content, referrals, promotions

  • Launched on Show HN (52 pts · 5 comments)Launch

    Rust/WASM lighting data toolkit – parses legacy formats, generates SVGs — Hi HN, I'm Holger, a developer who worked in the lighting industry. I built this to scratch my own itch and put it on crates.io and PyPI w…

    Dec 21, 2025 · 11mo agoLaunch page

Third-party reviews & case dossiers

Acquisition breakdowns, engineer reviews & open-source metrics
Show HN
2025-12-21Source
Post excerpt:
Hi HN, I'm Holger, a developer who worked in the lighting industry. I built this to scratch my own itch and put it on crates.io and PyPI where nothing like it existed. The old file formats (EULUMDAT from 1990, IES from 1991) still work fine for basic photometry. But the industry is moving toward spectral data – full wavelength distributions instead of just l

Open Source & Self-Hosting

GitHub · MCP / Skill
holg/eulumdat-rs
Last commit 2026-09-18
GitHub Stars
★ 7
Forks
—
License
AGPL-3.0-or-later
Primary language
Rust
Browse peer open-source projects →

Traffic sources

Sep 2026

Traffic breakdown

Channels

  • Direct33%
  • Organic Search32%
  • Referrals14%
  • Social6%
  • Other15%

Countries

  • Italy83%
  • Netherlands17%

Search

Domain authority —Domain registered 2022-10-09

KeywordMonthly volume
eulumdat ldt to ies310
ldt to ies190
ldt file viewer0

Traffic data: Vaneform

Pricing

Website does not list public plan prices.

Trial: None · Observed 2026-11-04 · Source page

Pages & changes

Tracked since 2026-07-31

Key pages

Weekly snapshots
eulumdat.icu/ Snapshot 2026-11-04

Changes

No pricing, plan, or positioning changes detected since tracking started.

Questions & evidence

How much website traffic does Candelabra get?
Vaneform estimates <5K website visits in 2026-09. Visits can include repeat visits; this estimate measures web traffic separately from paying customers or revenue.Source
What is Candelabra and what platforms does it support?
Candelabra is catalogued under Generators & Calculators: See any luminaire at work. In your browser.. Supported platforms: Web.
Is Candelabra open source?
Candelabra has a public repository (https://github.com/holg/eulumdat-rs) under the AGPL-3.0-or-later license, recording 7 GitHub stars.Source

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