VenueDB is built on open-source software. We are grateful to the people who maintain it, and we follow the terms each project is released under. This page summarizes what we ship in the production application (checked October 2026).
Summary
| License | Packages | What it asks of us |
|---|---|---|
| MIT | about 280 | Keep the copyright notice. |
| Apache-2.0 | about 50 | Keep the notice; state changes. |
| ISC, BSD-2-Clause, BSD-3-Clause, 0BSD, MIT-0, BlueOak-1.0.0, CC0-1.0 | about 45 | Keep the notice (none for MIT-0, 0BSD and CC0). |
| Dual-licensed (for example "MIT OR GPL") | 4 | We use the permissive option. |
| LGPL-3.0 (bundled with Apache-2.0) | 1 | See below. |
| CC-BY-4.0 | 1 | Credit the author. |
Items worth knowing about
- sharp (image processing) ships a prebuilt copy of the libvips library, which is LGPL-3.0. We use it unmodified and as a separate, replaceable component, which the license allows for a hosted service.
- jszip and pizzip are offered under "MIT or GPL-3.0". We use them under the MIT license.
- dompurify is offered under "MPL-2.0 or Apache-2.0". We use it under Apache-2.0.
- @zone-eu/mailsplit is offered under "MIT or EUPL-1.1". We use it under MIT.
- caniuse-lite (browser support data, used when building the app) is CC-BY-4.0, by Alexis Deveria and contributors.
- Fonts (DM Sans and DM Serif Display) are licensed under the SIL Open Font License 1.1 and are bundled with the app.
Full list
The complete list of packages, with each version and license text, is available on request from privacy@venuedb.app.