License
sol2flow is source-available under the Elastic License 2.0 (ELv2). You can self-host it, use it in your company and change it; you may not offer it to others as a hosted or managed service. What that means in practice: License terms.
Third-party components
sol2flow and this documentation site use open-source components under their own licenses. The fonts used on this site, IBM Plex Sans and Space Grotesk, are licensed under the SIL Open Font License 1.1.