CHERTPRESS / Legal / Licences
Licences
Licences of the software this site uses
Everything delivered to your browser by chertpress.com, and the server software that serves it, with the licence each component is used under. Full licence texts are linked unchanged.
Delivered to your browser
Fonts and site code
| Component | Role | Licence | Copyright | Licence text |
|---|---|---|---|---|
| Inter (variable font) | Interface typeface (Latin) | SIL Open Font License 1.1 | Copyright (c) 2016 The Inter Project Authors | Full text |
| IBM Plex Sans Arabic | Arabic typeface | SIL Open Font License 1.1 | Copyright © 2017 IBM Corp. with Reserved Font Name "Plex" | Full text |
| CHERTPRESS site code, styles and illustrations | This website | CHERT Systems — all rights reserved pending the project licensing decision | © 2026 CHERT Systems | — |
Running on the server
Server-side components (not distributed to you)
These run on CHERT's own server to deliver the site. They are unmodified upstream releases.
| Component | Role | Licence | Licence text |
|---|---|---|---|
| Caddy 2.11.7 | HTTPS edge and static file server | Apache License 2.0 | Full text |
| PostgreSQL 18.6 | Platform database | PostgreSQL License | — |
| NATS Server 2.15.1 | Internal event streaming | Apache License 2.0 | Full text |
| SeaweedFS 4.48 | Internal object storage | Apache License 2.0 | Full text |
| Keycloak 26.8.1 | Identity service (not yet public) | Apache License 2.0 | Full text |
| Docker Engine 29.9.2 | Container runtime | Apache License 2.0 | Full text |
| Ubuntu 24.04 LTS | Host operating system | Various free-software licences (see /usr/share/doc on the host) | — |