
MarkLogic
Apache Xerces
Apache Anakia
eXistdb
Apache Santuario
Apache Xalan
Apache Axiom
BaseX is a very light-weight, high-performance and scalable XML Database engine and XPath/XQuery...

Supabase
Firebase
MoonDB
DBAegis
Layerbase
PlanetScale
DBacked
The Supabase / Firebase Alternative Without the Monthly Bill

Which is more popular?
Based on our record, BaseX seems to be more popular. It has been mentioned 7 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | basex.org | selfdb.io |
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| Company | — | 2025 |
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What each product offers, as listed by its team.


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An editorial look at what each product does well and who it suits.


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Overall verdict
Why this product is good
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How often each product is chosen within a category, 0–100% relative to the other.


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Recommendations tracked on public social media and blogs since March 2021.


Granted, it's for XML, but BaseX is a database engine that deals with hierarchical data quite well. Source: over 3 years ago
I like BaseX for XML processing. It does require a "server" install - it's fairly lightweight tho. Source: almost 4 years ago
When doing XML work, always use XPath based tools. Have a look at https://basex.org. Then lookup some XPath docs. You will need to select the nodes by ID and then compare their content. Something like:. Source: over 4 years ago
Tracking SelfDB since Jun 2025.
When comparing BaseX and SelfDB, you can also consider the following products.

Schema-agnostic Enterprise NoSQL database technology, coupled w/ powerful search & flexible application services
Compare MarkLogic to BaseX or SelfDB:


Advanced XML parser, including support for XML Schema, DOM Level 2, and SAX.
Compare Apache Xerces to BaseX or SelfDB:

Firebase is a cloud service designed to power real-time, collaborative applications for mobile and web.
Compare Firebase to BaseX or SelfDB:


AI-friendly DBaaS. Describe your app - MoonDB ships the schema, REST API, auth, files, and AI endpoints. Agent-friendly, agent-optional.
Compare MoonDB to BaseX or SelfDB: