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The Best Newsletter Directory and Discovery Platform | StackLetter — 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 Technology And Computing →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
mecoinbox.com ↗	69 match 1 shared topics	Meco: The #1 newsletter reader \| Declutter your inbox	en	technology-and-computing	robotsllmsaihumans	emailphone	none
dottable.net ↗	69 match 1 shared topics	Dottable \| Personalized Directory Platform	en	technology-and-computing	robotsllmsaihumans	emailphone	none
bskyinfo.com ↗	68 match 1 shared topics	Best Bluesky Tools & Feeds Directory \| Discover and Use Free Tools at BskyInfo	en	technology-and-computing	robots llmsaihumans	emailphone	partial · 2
stacklistdirectory.com ↗	68 match 1 shared topics	Stacklist Directory — Discover the world’s Top Curators	en	technology-and-computing Sanity	robotsllmsaihumans	emailphone	full · 10
stackseed.dev ↗	68 match 1 shared topics	StackSeed - Discover Perfect Starter Templates	en	technology-and-computing Gumroad	robotsllmsaihumans	emailphone	none
apihiver.com ↗	67 match 1 shared topics	APIHiver — Discover, compare, and learn the best developer APIs	en	technology-and-computing	robotsllmsaihumans	emailphone	none
cyborgnewsletter.com ↗	67 match 1 shared topics	CYBORG_ Newsletter \| CYBORG_ Newsletter	en	technology-and-computing	robotsllmsaihumans	emailphone	partial · 8
electronnewsletter.com ↗	67 match 1 shared topics	Electron newsletter. A free monthly newsletter on the latest Electron news	en	technology-and-computing	robotsllmsaihumans	emailphone	none
datascienceweekly.org ↗	67 match 1 shared topics	Data Science Weekly Newsletter	en	technology-and-computing	robotsllmsaihumans	emailphone	none
apikeyhub.com ↗	67 match 1 shared topics	APIKeyHub - Free API Directory \| Discover REST APIs, GraphQL, SDKs & MCP Servers	en	technology-and-computing	robotsllmsaihumans	emailphone	none
ddswitch.com ↗	67 match 1 shared topics	DDSwitch \| Data Delivery Platform	en	technology-and-computing	robotsllmsaihumans	emailphone	none
bastler.org ↗	66 match 1 shared topics	BASTLER - The Embedded Platform	en	technology-and-computing WordPress	robotsllmsaihumans	emailphone	none
datasciencelessons.com ↗	66 match 1 shared topics	Data Science Lessons – Become a better data scientist everyday with these tricks, tips, and insights	en	technology-and-computing WordPress	robotsllmsaihumans	emailphone	none
repurai.com ↗	66 match 1 shared topics	Repurai - All in one platform to build your Personalized YouTube, Twitter and Newsletters space, gain valuable insights, and collect realtime data on daily basis. \| Repurai	en	technology-and-computing	robotsllmsaihumans	emailphone	none
apicenter.com ↗	66 match 1 shared topics	API Center Newsletter: Latest News and Updates in the Industry	en	technology-and-computing	robotsllmsaihumans	emailphone	none
housing-studio.org ↗	66 match 1 shared topics	Developer Platform \| Housing Studio	en	technology-and-computing	robotsllmsaihumans	emailphone	partial · 8
d365hub.com ↗	66 match 1 shared topics	D365Hub - Microsoft Dynamics 365 and Power Platform Blogs	en	technology-and-computing WordPress	robotsllmsaihumans	emailphone	none
stackscalehq.com ↗	66 match 1 shared topics	StackScale \| Ecommerce Platform & Software Comparisons	en	technology-and-computing WordPress WooCommerce	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.