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Voidpropulsion alternatives & similar sites

VoidPropulsion — 18 websites ranked by shared content topics, category and on-page relevance.

Each result shows its full tech stack, contacts and AI-policy — not just a name · Browse all sites in Space And Astronomy →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
etanox.com ↗	70 match 1 shared topics	In-Space Propulsion Systems	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
3af-spacepropulsion.com ↗	66 match 1 shared topics	Home - 10th EDITION OF THE SPACE PROPULSION CONFERENCE	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
avio.com ↗	66 match 1 shared topics	Avio – Advanced Space Propulsion & Aerospace Solutions	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
moontraces.com ↗	62 match 1 shared topics	Traces on the Moon	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
voidverse-ro.com ↗	62 match 1 shared topics	Void Verse Control Panel	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
outpost1251.com ↗	62 match 1 shared topics	OUTPOST-1251 \| MISSION HUD	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
mooncamproject.com ↗	61 match 1 shared topics	3/10.2026 \| Moon Cam Mission	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
moon-marathon.com ↗	61 match 1 shared topics	The First Marathon on the Moon	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
moonqr.com ↗	61 match 1 shared topics	MoonQR — 100 QR Codes on the Moon	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
constellationencoder.com ↗	61 match 1 shared topics	MIL & Space - Gurley Precision Instruments	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	none
mooncoverage.com ↗	61 match 1 shared topics	Moon Coverage — Tracking Lunar Mission Updates	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
voideconomy.com ↗	61 match 1 shared topics	The Void Economy — The Space Economy's Next Frontier	en	space-and-astronomy Ghost	robotsllmsaihumans	emailphone	none
pointsplanetsposts.my ↗	61 match 1 shared topics	OrionBelt Aerospace - Precision Above. Insight Below.	en	space-and-astronomy	robotsllmsaihumans	emailphone	partial · 8
outofthisworldproject.com ↗	61 match 1 shared topics	outofthisworldproject \| promoting restless curiosity through space	en	space-and-astronomy WordPress	robotsllmsaihumans	emailphone	none
bluecanyontech.com ↗	61 match 1 shared topics	Blue Canyon Technologies » Spacecraft buses, systems and solutions	en	space-and-astronomy WordPress WooCommerce	robotsllmsaihumans	emailphone	partial · 8
kreiosspace.com ↗	61 match 1 shared topics	Kreios Space I Enabling VLEO missions, the future of space.	en	space-and-astronomy	robotsllmsaihumans	emailphone	none
3craftsaerospace.com ↗	61 match 1 shared topics	TRICRAFT .AEROSPACE Division \| Discover Space Solutions - Get Started	en	space-and-astronomy Squarespace Magento	robotsllmsaihumans	emailphone	none
moonlandingmission.com ↗	61 match 1 shared topics	Mission Moon \| Moon Gift, Astronaut Certificate & Lunar Mission Experience	en	space-and-astronomy	robotsllmsaihumans	emailphone	none

How the match score works

Each match is a 0–100 similarity score — the higher it is, the more two sites resemble one another. It’s computed automatically from our own crawl data (never from what a site says about itself) by combining several independent signals, so a high score means several of them point the same way:

shared topics how many of the same fine‑grained content topics (IAB sub‑categories) both sites cover — the main signal.
same category whether they sit in the same business / industry category.
content & title how closely their titles and page descriptions line up in wording and meaning.

No single signal decides the result — they’re blended together. Treat the score as a way to rank candidates rather than an absolute percentage; the chips on each result show which signals contributed.