O&O Software
Ranked #3,351 of 22,010 companies sending people to pay, with 16.4K checkout visits from April to September 2026.

Where its buyers pay
- PayPal16.4K100% of its checkout traffic · #1,466 among everyone sending to PayPal
Trend, April to September
Peak in September at 16.4K visits.
What oo-software.com does
German developer of Windows utilities for backup, disk imaging, data recovery, defragmentation and system optimization.
Summarised from the company’s public website. It may be out of date.
oo-software.com sent 16.4K visits to checkout pages over six months, about 2.7K a month, which puts it at #3,351 of 22,010 senders we traced.
100% of that went through PayPal. It uses a single checkout, so its buyers all pay through PayPal.
Similarweb files it under Computer Security. It isn’t one of the AI products we classified by hand, so it doesn’t count toward the AI total.
Visits are modelled third-party estimates, not revenue. Read what this can’t tell you before you act on a single number.
Every company, in one CSV.
The top 500 senders for each of 15 checkouts, plus all 22,010 companies ranked. Filter by niche and compare.