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StubThis - Open Source API Mocking Tool — 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
kyvislabs.com ↗	70 match 2 shared topics	Kyvis Labs - Open Source Ignition Modules	en	technology-and-computing	robotsllmsaihumans	emailphone	none
0xf.com ↗	70 match 2 shared topics	0xF - Open-source developer toolkit	en	software-and-applications	robotsllmsaihumans	emailphone	none
mimicapi.com ↗	70 match 2 shared topics	MimicAPI - API Mocking Platform	en	software-and-applications	robotsllmsaihumans	emailphone	none
5minpastebin.com ↗	68 match 2 shared topics	5minpastebin.com - Open Source Pastebin	en	software-and-applications	robotsllmsaihumans	emailphone	none
easygis.net ↗	68 match 2 shared topics	Easy GIS .NET - Open Source GIS Shapefile Library for .NET developers	en	software-and-applications	robotsllmsaihumans	emailphone	none
eqty.me ↗	68 match 2 shared topics	EQTY - Open Source Digital Infrastructure	en	software-and-applications	robotsllmsaihumans	emailphone	none
labelo.ai ↗	67 match 2 shared topics	labelo - Free & Open-source	en	technology-and-computing	robotsllmsaihumans	emailphone	none
eazymock.net ↗	66 match 2 shared topics	EazyMock: Mock APIs for your projects	en	technology-and-computing	robotsllmsaihumans	emailphone	none
5digits.org ↗	66 match 2 shared topics	Compare B2B Software, Download, & Develop Open Source & Business Software - SourceForge	US~ en	software-and-applications	robotsllmsaihumans	emailphone	none
donoharm.dev ↗	66 match 2 shared topics	The Hippocratic License: An Ethical License for Open Source	en	software-and-applications	robotsllmsaihumans	emailphone	none
changespec.com ↗	66 match 2 shared topics	ChangeSpec - Open Standard for Software Change Communication	en	software-and-applications	robots llmsaihumans	emailphone	partial · 8
aceobservability.com ↗	66 match 2 shared topics	Ace Observability \| Open-Source Monitoring Dashboard	en	technology-and-computing	robotsllmsaihumans	emailphone	partial · 8
aceobs.com ↗	66 match 2 shared topics	Ace Observability \| Open-Source Monitoring Dashboard	en	technology-and-computing	robotsllmsaihumans	emailphone	none
stubhouse.app ↗	65 match 2 shared topics	StubHouse — local-first API client and mock server	en	software-and-applications	robotsllmsaihumans	emailphone	none
a2oy.com ↗	65 match 2 shared topics	AAArdvark \| Accessibility Testing Tool Designed for Busy Digital Teams	en	technology-and-computing WordPress	robots llmsaihumans	emailphone	none
traksource.com ↗	65 match 2 shared topics	TrakSource - Best Software Reviews, AI Tools & Tech Gadgets	en	software-and-applications WordPress	robots llmsaihumans	emailphone	none
yupiik.io ↗	65 match 2 shared topics	Yupiik Open-Source Projects \| Fusion, BundleBee, Logging, Tools	en	software-and-applications	robotsllmsaihumans	emailphone	none
dotcms.org ↗	64 match 2 shared topics	dotCMS \| Open-Source Headless CMS for Multi-Site Management	en	technology-and-computing	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.