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Cei alternatives & similar sites

CEIL - Open-source, Agnostic, Functional — 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 Software And Applications →

Domain	Match	Title	Country/Lang	Category	AI files	Contact	AI-protection
ceil.dev ↗	100 match 1 shared topics	CEIL - Open-source, Agnostic, Functional	en	software-and-applications	robotsllmsaihumans	emailphone	none
pieim.com ↗	68 match 1 shared topics	Pie - Open-source Agent-to-IM connector	en	software-and-applications	robotsllmsaihumans	emailphone	none
mcpaas.org ↗	67 match 1 shared topics	MCPaaS - Open-Source MCP Control-Plane Foundation	en	software-and-applications Spree Commerce	robotsllmsaihumans	emailphone	none
mcpinsightsx.com ↗	67 match 1 shared topics	MCP Directory - Open Source Community	en	software-and-applications	robotsllmsaihumans	emailphone	none
affine.pro ↗	66 match 1 shared topics	AFFiNE — Open-Source Knowledge Base Software	en	software-and-applications	robots llmsaihumans	emailphone	none
guitarvee.com ↗	66 match 1 shared topics	GuitarVee — Your Free, Open-Source Guitar Companion	en	software-and-applications	robotsllmsaihumans	emailphone	none
keeforge.com ↗	66 match 1 shared topics	KeeForge — Free, Open-Source KeePass for iOS	en	software-and-applications	robotsllmsaihumans	emailphone	none
keeforge.app ↗	66 match 1 shared topics	KeeForge — Free, Open-Source KeePass for iOS	en	software-and-applications	robotsllmsaihumans	emailphone	partial · 8
hub-bitbridge.tech ↗	66 match 1 shared topics	Plane \| Simple, extensible, open-source project management tool.	en	software-and-applications	robotsllmsaihumans	emailphone	none
hzel.org ↗	66 match 1 shared topics	Hzel — open-source developer infrastructure	en	software-and-applications	robotsllmsaihumans	emailphone	none
nxtgenitpark.com ↗	66 match 1 shared topics	Plane \| Simple, extensible, open-source project management tool.	en	software-and-applications	robotsllmsaihumans	emailphone	none
abc23.net ↗	66 match 1 shared topics	Plane \| Simple, extensible, open-source project management tool.	en	software-and-applications	robotsllmsaihumans	emailphone	none
turtle-hub.com ↗	66 match 1 shared topics	TurtleHub	en	software-and-applications	robotsllmsaihumans	emailphone	none
txt-soft.com ↗	66 match 1 shared topics	txt-soft.com - free and open-source text related software	en	software-and-applications	robotsllmsaihumans	emailphone	none
phaseflag.com ↗	66 match 1 shared topics	Phase Flag — Open-Source Feature Flag Management	en	software-and-applications	robotsllmsaihumans	emailphone	none
quantum-content.com ↗	66 match 1 shared topics	CryptPad: Collaboration suite, encrypted and open-source	en	software-and-applications	robotsllmsaihumans	emailphone	none
mementomoriogc.org ↗	66 match 1 shared topics	CryptPad: Collaboration suite, encrypted and open-source	en	software-and-applications	robotsllmsaihumans	emailphone	none
2-bolsa.com ↗	66 match 1 shared topics	CryptPad: Collaboration suite, encrypted and open-source	en	software-and-applications	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.