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Blockandstart alternatives & similar sites

Block and Start — 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 Startups →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
123factory.de ↗	64 match 2 shared topics	We Accelerate Startups \| 123 Factory GmbH	Germany de	startups Wix	robots llmsaihumans	emailphone	none
autohausschoener.com ↗	63 match 2 shared topics	START \| Venture Fleet	de	venture-capital Wix	robotsllmsaihumans	emailphone	none
auto-ert.ch ↗	63 match 2 shared topics	START \| Venture Fleet	Switzerland de	venture-capital Wix	robotsllmsaihumans	emailphone	none
pylorivavia.com ↗	63 match 2 shared topics	Pylorivavia - Pylorivavia – Crowdfunding und Startup-Beteiligungen für Unternehmen	Germany~ de	venture-capital	robotsllmsaihumans	email phone	none
pyranivolex.com ↗	62 match 2 shared topics	Pyranivolex - Plattform für Startup-Crowdfunding & Investoren	de	venture-capital	robotsllmsaihumans	email phone	none
companisto.ch ↗	62 match 2 shared topics	Companisto: In Startups investieren ab 250 € \| Business Angel Netzwerk	Switzerland de	venture-capital	robotsllmsaihumans	emailphone	none
cryvenomelix.com ↗	62 match 2 shared topics	Aviteropa - Aviteropa – Die Plattform für Startups, Innovation und Community-Förderung	de	startups	robotsllmsaihumans	emailphone	none
lomirenthysaqe.com ↗	61 match 2 shared topics	Neravolqira - Neravolqira – Crowdfunding und Zugang zu Startups sowie Unternehmen in Österreich	de	startups	robotsllmsaihumans	emailphone	none
burnrate.ch ↗	61 match 2 shared topics	Burn Rate	Switzerland de	startups	robotsllmsaihumans	emailphone	none
julianhelbig.de ↗	61 match 2 shared topics	Julian Helbig – Online Entrepreneur \| Investor	Germany de	startups Shopify	robots llmsaihumans	emailphone	none
alvarogellings.de ↗	61 match 2 shared topics	Alvaro Gellings	Germany de	venture-capital WordPress	robotsllmsaihumans	emailphone	none
jsass.de ↗	60 match 2 shared topics	Jacob Sass \| jsass.de	Germany de	venture-capital	robotsllmsaihumans	emailphone	none
athlete-ventures.com ↗	60 match 2 shared topics	Athlete Ventures	de	venture-capital	robotsllmsaihumans	emailphone	none
smartgreen-tech.com ↗	60 match 2 shared topics	smart green – Empowering GreenTech Entrepreneurs	de	startups	robotsllmsaihumans	emailphone	none
fundop.ch ↗	60 match 2 shared topics	Fundraising Advisory for Early-Stage Companies \| Fundop \| FundOp	Switzerland de	venture-capital	robotsllmsaihumans	emailphone	none
wawayaro.com ↗	60 match 2 shared topics	Wawayaro — Gebaut. Investiert. Gefragt.	Germany~ de	venture-capital	robotsllmsaihumans	emailphone	partial · 8
4seedimpact.com ↗	60 match 2 shared topics	4seedimpact	de	venture-capital WordPress	robotsllmsaihumans	emailphone	none
erwins-enkel.dev ↗	60 match 2 shared topics	Erwins Enkel GmbH – Inkubator & Beteiligungen	de	venture-capital	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.