Citrine — Nostr relay (mobile) (Open Source)

Citrine is an open-source Nostr relay (mobile) solution. Review its features and licensing on FreeSoftwareX — by features, licensing and price — and request a quote or demo free in 2026.

What is Citrine?

Citrine is open source — its source code is publicly available and free to use, modify and self-host, usually with an active community and no licensing fees. It is categorised under Nostr relay (mobile). Buyers typically evaluate Citrine when they need a dependable Nostr relay (mobile) option and want to weigh the trade-offs between free, open-source and paid tools before committing.

Frequently asked questions

Is Citrine free?
Yes. Citrine is open source and free to use, with no purchase cost for the core product.
What type of software is Citrine?
Citrine is an open-source Nostr relay (mobile) tool.

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