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Base64.sh | Free Online Base64 Encoder & Decoder - Fast, Secure, No Limits — 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
formstack.com ↗	61 match shared topic	Secure and Easy-to-use Forms, Docs & eSignatures \| Formstack	en	software-and-applications	robots llmsaihumans	emailphone	none
plone.org ↗	61 match shared topic	Plone CMS: Open Source Content Management — Plone: Enterprise Level CMS - Free and OpenSource - Community Driven - Secure	en	software-and-applications	robotsllmsaihumans	emailphone	none
xpeedstudio.com ↗	61 match shared topic	Best Software Collection to Grow Your Business Faster	en	technology-and-computing WordPress WooCommerce	robots llmsaihumans	emailphone	none
openvalue.eu ↗	61 match shared topic	OpenValue - Better Software, Faster. Premium Software Engineering.	European Union en	technology-and-computing	robotsllmsaihumans	emailphone	none
pnpm.io ↗	61 match shared topic	Fast, disk space efficient package manager \| pnpm	en	software-and-applications	robotsllmsaihumans	emailphone	none
asciidoctor.org ↗	61 match shared topic	Asciidoctor \| A fast, open source text processor and publishing toolchain for converting AsciiDoc content to HTML5, DocBook, PDF, and other formats.	en	technology-and-computing	robotsllmsaihumans	emailphone	none
buttercms.com ↗	61 match shared topic	The Fast & Easy Headless Content Management System \| ButterCMS	en	technology-and-computing ButterCMS	robots llmsaihumans	emailphone	none
blacksmith.sh ↗	61 match shared topic	The Fastest Way to Run GitHub Actions \| Blacksmith	en	technology-and-computing	robotsllmsaihumans	emailphone	none
4js.com ↗	61 match shared topic	Genero Studio Low-Code No-Code Development apps faster and smarter	en	software-and-applications WordPress	robotsllmsaihumans	emailphone	none
tarides.com ↗	61 match shared topic	Tarides \| Secure, High-Performance Systems with OCaml	en	technology-and-computing	robotsllmsaihumans	emailphone	none
crashlytics.com ↗	61 match shared topic	Firebase Crashlytics \| Track, prioritize, and fix app crashes faster	en	software-and-applications	robotsllmsaihumans	emailphone	none
github.com ↗	55 match shared topic	GitHub · Change is constant. GitHub keeps you ahead. · GitHub	en	software-and-applications	robots llmsaihumans	emailphone	none
addtoany.com ↗	55 match shared topic	AddToAny: Share Buttons by the Universal Sharing Platform	en	technology-and-computing	robotsllmsaihumans	emailphone	none
tally.so ↗	55 match shared topic	Tally - Create Beautiful Forms for Free \| Unlimited Forms & Submissions	en	software-and-applications	robots llmsaihumans	emailphone	none
sourceforge.net ↗	55 match shared topic	Compare B2B Software, Download, & Develop Open Source & Business Software - SourceForge	United States~ en	software-and-applications	robots llmsaihumans	emailphone	none
wufoo.com ↗	55 match shared topic	Online Form Builder with Cloud Storage Database \| Wufoo	en	technology-and-computing WordPress	robotsllmsaihumans	emailphone	none
atlassian.net ↗	55 match shared topic	Products \| Atlassian	en	technology-and-computing	robotsllmsaihumans	emailphone	none
docker.com ↗	55 match shared topic	Docker: Accelerated Container Application Development	en	software-and-applications WordPress	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.