Notices
Third-party notices.
The real-business directory shows third-party data under open licences, the workspace’s type and the map’s labels are set in open-licence fonts, the street drawing on the welcome page is made from open map data, and the simulated people’s online habits draw on published research figures. This page carries the notices those licences ask for. Nothing in Helm Express is a survey of real people, and no real person’s record is ever shown.
Type
| Source | Used for | Terms | Link |
|---|---|---|---|
| Geist and Geist Mono, © 2023 Vercel, in collaboration with basement.studio | The lettering of the workspace’s shell, Home and the Ask Helm panel. | SIL Open Font License 1.1; the licence text ships with the font files. | openfontlicense.org |
Map
| Source | Used for | Terms | Link |
|---|---|---|---|
| Noto Sans | The lettering of the map’s labels. | SIL Open Font License 1.1; the licence text ships with the font files. | openfontlicense.org |
Welcome page
| Source | Used for | Terms | Link |
|---|---|---|---|
| OpenStreetMap, via CARTO | The street drawing of San Francisco on the welcome page. The map in the app is not drawn from it. | Map data © OpenStreetMap contributors, ODbL 1.0; © CARTO | openstreetmap.org/copyright · carto.com/attributions |
Real places and businesses
| Source | Used for | Licence | Link |
|---|---|---|---|
| Overture Maps Foundation — Places | Storefront locations and the read-only real-business directory: names, categories, addresses and websites, shown as facts and never given an opinion. | CDLA-Permissive-2.0 | cdla.dev/permissive-2-0 · overturemaps.org |
| Foursquare OS Places (portions of Overture Places) | © 2026 Foursquare Labs, Inc. All rights reserved. The Foursquare OS Places dataset (the “Data”) is licensed under the Apache License, Version 2.0. | Apache License 2.0 | apache.org/licenses/LICENSE-2.0 |
The API attaches a licence notice, with a link to the licence text, to every directory response. If you redistribute directory data you received from the service, carry that notice and the licence link with it.
Online habits
| Source | Used for | Terms | Link |
|---|---|---|---|
| Pew Research Center — Social Media Fact Sheet (2026) | Which social platforms the simulated people in a world use, by age, sex, schooling and household income. | Published figures, reused with attribution. Pew Research Center does not endorse Helm Express. | pewresearch.org |
Place prose
The short paragraphs of local context that accompany each place were generated by a language model in 2026. They are not a licensed dataset, they are not regenerated automatically, and they may mention public figures in their public roles. If one is wrong, tell us.
Corrections
If a notice is missing from this page or misattributed, email support@populationtwins.com.