NanoBananaEditor is a free, open-source alternative to Krea. It can be used without subscription fees — and its source code is open for anyone to inspect, modify and self-host.

About

The most advanced Nano Banana image generator and editor application. Your central hub for AI image generation and revisions. Intuitive UI features reference images, editing with image masks, version history, and more. Powered by Gemini 2.5 Flash images API. Its license (AGPL-3.0) is a copyleft license: you can use, study and modify it freely, and derivative works must remain open-source under the same terms. Commercial use is allowed.

What switching gets you

• No subscription, no per-seat pricing — free forever, for individuals and companies alike.
• Your data stays with you: it can run locally or on your own servers, with no vendor lock-in.
• The source code is public — auditable, extensible and maintained in the open by its community.

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