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Houston Effective Altruism – Using reason and evidence to make the world a better place — 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 Non Profit Organizations →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
caumit.com ↗	71 match 1 shared topics	Make the world a better place \| Caumit	en	non-profit-organizations	robotsllmsaihumans	emailphone	none
vsrfoundation.com ↗	66 match 1 shared topics	Making our World a Better Place Virginia Sargeant Reynolds Foundation	en	non-profit-organizations WordPress	robotsllmsaihumans	emailphone	none
centreforeffectivealtruism.org ↗	66 match 1 shared topics	Centre For Effective Altruism \| Centre For Effective Altruism	en	non-profit-organizations	robotsllmsaihumans	emailphone	none
donordevs.com ↗	65 match 1 shared topics	DonorDevs – Using Technology to empower those changing the world!	en	non-profit-organizations WordPress WooCommerce	robotsllmsaihumans	emailphone	none
1-percent-project.org ↗	65 match 1 shared topics	The one percent project – We devote 1% of our time and income to change the world for the better. Join us!	en	non-profit-organizations WordPress	robotsllmsaihumans	emailphone	none
doonething.com ↗	65 match 1 shared topics	DoOneThing.org - Do One Thing for a Better World	United States~ en	non-profit-organizations	robotsllmsaihumans	emailphone	none
mysdg.com.my ↗	64 match 1 shared topics	Yayasan MySDG – Bridging the Gap for a Better & Inclusive Malaysia	en	non-profit-organizations WordPress	robotsllmsaihumans	emailphone	none
integrativeactivism.com ↗	64 match 1 shared topics	Integrative Activism – Making it easy to do more good	en	non-profit-organizations WordPress	robotsllmsaihumans	emailphone	none
ejagat.org ↗	64 match 1 shared topics	eJagat Foundation – Better World for Everyone	en	non-profit-organizations WordPress WooCommerce	robotsllmsaihumans	emailphone	partial · 8
asteyaservices.com ↗	64 match 1 shared topics	Asteya Services – Build A credible & effective social sector.	en	non-profit-organizations WordPress	robotsllmsaihumans	email phone	none
2025.coop ↗	64 match 1 shared topics	UN International Year of Cooperatives 2025 – Cooperatives for a Better World	en	non-profit-organizations WordPress	robotsllmsaihumans	emailphone	none
aspirationtech.org ↗	64 match 1 shared topics	Aspiration \| Better Tools for a Better World	United States~ en	non-profit-organizations	robotsllmsaihumans	emailphone	partial · 9
3etter.org ↗	64 match 1 shared topics	3etter \| A Permanent Fund for a Better World	en	non-profit-organizations WordPress WooCommerce	robotsllmsaihumans	emailphone	none
atlantaarmsunitedinc.org ↗	64 match 1 shared topics	Atlanta Arms United, Inc. – Saving The World	en	non-profit-organizations WordPress WooCommerce	robotsllmsaihumans	emailphone	none
1fortheworld.org ↗	64 match 1 shared topics	One for the World	United States~ en	non-profit-organizations Squarespace Magento	robotsllmsaihumans	emailphone	none
eightthings.org ↗	64 match 1 shared topics	8 Things Every Philanthropist Can Do To Change The World \|	en	non-profit-organizations WordPress WooCommerce	robotsllmsaihumans	emailphone	none
equalityglobal.org ↗	64 match 1 shared topics	The Equality Collective – Level the Playing Field \| Advance Equity for All	en	non-profit-organizations WordPress	robotsllmsaihumans	emailphone	none
betterblock.org ↗	63 match 1 shared topics	Placemaking \| Better Block \| Dallas	en	non-profit-organizations Wix	robots llmsaihumans	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.