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Openach alternatives & similar sites

Open Source Payment Processing | OpenACH — 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
mbse-capella.org ↗	69 match 1 shared topics	Capella \| Open Source MBSE Tool	en	software-and-applications	robotsllmsaihumans	emailphone	none
openproject.co.uk ↗	69 match 1 shared topics	OpenProject - Open Source Project Management Software	United Kingdom en	software-and-applications	robotsllmsaihumans	email phone	none
otobo.co.uk ↗	68 match 1 shared topics	The Open Source Service Management Platform \| OTOBO	United Kingdom en	software-and-applications WordPress	robotsllmsaihumans	email phone	none
orcro.co.uk ↗	67 match 1 shared topics	Orcro \| Open Source compliance – Open Source compliance	United Kingdom en	software-and-applications WordPress	robotsllmsaihumans	emailphone	none
mcpinsightsx.com ↗	67 match 1 shared topics	MCP Directory - Open Source Community	en	software-and-applications	robotsllmsaihumans	emailphone	none
adlibsoftware.com ↗	67 match 1 shared topics	Document Automation & Processing Software \| Adlib	en	software-and-applications	robotsllmsaihumans	emailphone	none
acrostream.site ↗	66 match 1 shared topics	BigBlueButton - Open Source Web Conferencing	en	software-and-applications	robotsllmsaihumans	emailphone	none
adobeopensource.nu ↗	66 match 1 shared topics	Adobe Open Source - Komplett Guide \| adobeopensource.nu	en	software-and-applications	robotsllmsaihumans	emailphone	none
tortall.com ↗	66 match 1 shared topics	Tortall Networks: Open Source and Free Software	en	software-and-applications	robotsllmsaihumans	emailphone	none
netptune.co.uk ↗	66 match 1 shared topics	Netptune \| Open source project management for teams who need real control over their tools and data.	United Kingdom en	software-and-applications	robotsllmsaihumans	emailphone	partial · 8
adev.team ↗	66 match 1 shared topics	Open source Observability platform \| SigNoz	en	software-and-applications	robotsllmsaihumans	emailphone	none
coophub.io ↗	66 match 1 shared topics	CoopHub · Open source from cooperatives over the world!	en	software-and-applications	robotsllmsaihumans	emailphone	none
abinnovision.ventures ↗	65 match 1 shared topics	abi group \| Software products, engineering, and open source	en	software-and-applications	robotsllmsaihumans	emailphone	none
mdhero.app ↗	65 match 1 shared topics	MDHero — Free Open Source Markdown Viewer for Mac & Windows	en	software-and-applications	robots llmsaihumans	emailphone	none
opensourceschools.org.uk ↗	65 match 1 shared topics	Open Source Schools - Advice on getting started, case studies	United Kingdom en	software-and-applications WordPress	robotsllmsaihumans	emailphone	none
backuper.com ↗	65 match 1 shared topics	Open Source Backup Software, PHP Data Backup Script	en	software-and-applications	robotsllmsaihumans	emailphone	none
torvx.com ↗	65 match 1 shared topics	Ryntron sources	en	software-and-applications	robotsllmsaihumans	emailphone	none
2-software.net ↗	65 match 1 shared topics	2software.net - Free Software Directory, Open Source Software Downloads	en	software-and-applications WordPress WooCommerce	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.