OpenOTP Authentication Server pricing

As rcdevs.com lists them, read 20 Sept 2026. The maker's own page has the final word.

Plan	Billed and limits	Price
Freeware Edition	25 users · 1 server	On request
Enterprise Edition	250 users	On request
Cloud Edition	250 users	On request
On-Premise Freeware	under 25 users · all features · one server · no HA · 365 days, renewable	Free
SaaS Trial	30 days · up to 250 OpenOTP users · 50 SpanKey hosts	Free
On-Premise Trial	all features · 2 active/active servers (HA) · 30 days · up to 10 users	Free
OpenOTP On-Premise Edition	Request a quote	On request