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Challengeup alternatives & similar sites

ChallengeUp — The LinkedIn for Doers — 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 Social Networking →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
concei.com ↗	68 match 1 shared topics	Concei — The community platform for creators	en	social-networking Gumroad	robotsllmsaihumans	emailphone	none
moregenz.com ↗	67 match 1 shared topics	MORE — The Social Network for Young Entrepreneurs	en	social-networking	robotsllmsaihumans	emailphone	none
laneu.org ↗	67 match 1 shared topics	LANE - LinkedIn at Northeastern	en	social-networking	robotsllmsaihumans	emailphone	none
polarigroup.com ↗	67 match 1 shared topics	Polari Group — Apps for queer connection.	en	social-networking	robotsllmsaihumans	emailphone	none
cryptok.dev ↗	66 match 1 shared topics	CrypTok™ — The Future of Social Media	en	social-networking	robots llmsaihumans	emailphone	none
heybabel.com ↗	66 match 1 shared topics	Babel — The curse, reversed	en	social-networking	robotsllmsaihumans	emailphone	none
lookfwd.co ↗	66 match 1 shared topics	FWD — The Human Way to Connect	Colombia en	social-networking	robotsllmsaihumans	emailphone	none
heypucker.com ↗	66 match 1 shared topics	Pucker — The Creator Monetization Platform	en	social-networking	robotsllmsaihumans	emailphone	partial · 8
100dayromancechallenge.com ↗	66 match 1 shared topics	100 Dayz Impact Challenge With Marcus Bell	en	social-networking	robotsllmsaihumans	emailphone	none
100dayphotochallenge.com ↗	66 match 1 shared topics	100 Dayz Impact Challenge With Marcus Bell	en	social-networking	robotsllmsaihumans	emailphone	none
100daynewyearchallenge.com ↗	66 match 1 shared topics	100 Dayz Impact Challenge With Marcus Bell	en	social-networking	robotsllmsaihumans	emailphone	none
100daymindfullnesschallenge.com ↗	66 match 1 shared topics	100 Dayz Impact Challenge With Marcus Bell	en	social-networking	robotsllmsaihumans	emailphone	none
100daylovechallenge.com ↗	66 match 1 shared topics	100 Dayz Impact Challenge With Marcus Bell	en	social-networking	robotsllmsaihumans	emailphone	none
100dayjesuschallenge.com ↗	66 match 1 shared topics	100 Dayz Impact Challenge With Marcus Bell	en	social-networking	robotsllmsaihumans	emailphone	none
100dayhealingchallenge.com ↗	66 match 1 shared topics	100 Dayz Impact Challenge With Marcus Bell	en	social-networking	robotsllmsaihumans	emailphone	none
100dayhappinesschallenge.com ↗	66 match 1 shared topics	100 Dayz Impact Challenge With Marcus Bell	en	social-networking	robotsllmsaihumans	emailphone	none
100dayfreedomchallenge.com ↗	66 match 1 shared topics	100 Dayz Impact Challenge With Marcus Bell	en	social-networking	robotsllmsaihumans	emailphone	none
100dayfirechallenge.com ↗	66 match 1 shared topics	100 Dayz Impact Challenge With Marcus Bell	en	social-networking	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.