
FreshBooks
QuickBooks Online
Xero
Invoice Ninja
QuickBooks
FreeAgent
Invoice Simple
Award-winning financial software designed for entrepreneurs.

CodeBeautify
XML ValidatorBuddy
Oxygen XML Editor
Altova XMLSpy
xmllint
Peppol Validator
Schema Validator Extension
Validate XML and e-invoices up to 1 GB in your browser: XSD, DTD, RelaxNG and official business rules

Which is more popular?
Based on our record, Wave Financial seems to be more popular. It has been mentioned 42 times since March 2021.
Website, pricing, platforms and company facts side by side.
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| Website | waveapps.com | xmlvalid.com |
| Pricing | ||
| Platforms | — | |
| Company | Startup from Canada · 100 - 249 employees · 2009 | Startup from Ukraine · 1 - 9 employees · 2026 |
| Listed in |
In their own words, as submitted to SaaSHub.


No description of Wave Financial yet.
xmlvalid is an online XML validator built for production-size documents and e-invoicing. Validation XSD 1.0, DTD, RelaxNG (XML and compact syntax) 7,700+ Schematron business rules: EN 16931 (UBL and CII), Peppol BIS and PINT, XRechnung, ZUGFeRD / Factur-X, and national rules from France, Italy,...
What each product offers, as listed by its team.


Possible disadvantages
Walkthroughs and reviews on video.
Wave - Free Invoicing App!! Is it Right for You?
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How often each product is chosen within a category, 0–100% relative to the other.


As answered by people managing Wave Financial and xmlvalid.
xmlvalid's answer:
xmlvalid's answer:
xmlvalid's answer:
xmlvalid's answer:
xmlvalid's answer:
xmlvalid is built and run by Oleksii Babintsev, a developer from Ukraine, so questions and bug reports reach the person who builds the engine. It started as a streaming validator for XML files too large for typical online tools, and grew into e-invoicing as countries made structured invoices mandatory: business rules for EN 16931, Peppol, XRechnung and national formats in 24 countries, PDF invoices, an API, CLI and GitHub Action for CI, and monitors for XML feeds. While building it, we found and fixed a slowdown in libxml2's validation of large files and contributed the fix upstream. It launched in October 2026
Share your experience with using Wave Financial and xmlvalid. For example, how are they different and which one is better?
External articles and on-site reviews we used to compare the two products.


Wave is free for its core accounting and invoicing, which makes it attractive for freelancers and pre-revenue businesses. The important caveat for Singapore: Wave does not offer local GST compliance or InvoiceNow...
While Bill.com is a leading player in the invoicing space, there are other players who offer interesting alternatives. For instance, Wave offers a free invoicing platform that is easy to use and integrates with other...
Wave gets you through the whole receivables process similarly to QuickBooks. It allows you to create invoices, accept payments, and stay on top of any outstanding accounts with crystal-clear reporting. Like...
We have no reviews of xmlvalid yet. Be the first one to post
Recommendations tracked on public social media and blogs since March 2021.


If you need CC processing for yourself, go to waveapps.com and go create an account. Source: over 3 years ago
I use waveapps.com. It's free and keeps track of everything all in one spot. You can even accept credit cards through them. Source: over 3 years ago
You know that Quicken comes from the same company as Quickbooks, right? Personally I would go back to a #2 and ledger paper before I give Intuit another nickel. Quicken For Small Business looks inexpensive at the moment, but it is also... Source: over 3 years ago
Tracking xmlvalid since Oct 2026.
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