START NOTE
Langfuse is an open core project. Langfuse's core
is permissively licensed (MIT license).
Certain parts of the periphery of Langfuse are commercially
licensed and governed by this Enterprise License.
For the avoidance of doubt, this license does not apply 
to the core of Langfuse as it is defined in its license in 
the directory "/LICENSE" (as opposed to this file  "ee/LICENSE")
which can be used and run without infringing the below license
and its licensed materials.
END NOTE

START OF LICENSE
Langfuse Enterprise license (the “Enterprise License” or "EE license")

Copyright (c) 2023-2025 Langfuse GmbH

With regard to the Langfuse Enterprise Software:
This software and associated documentation files (the "Software") may only be
used, if you (and any entity that you represent) have agreed to,
and are in compliance with, the applicable Langfuse Terms of Service, available
at https://langfuse.com/terms (the “Enterprise Terms”), or other
agreement governing the use of the Software, as agreed by you and Langfuse,
and otherwise have a valid Langfuse Enterprise License.

Subject to the foregoing sentence, you are free to
modify this Software and publish patches to the Software. You agree that Langfuse
and/or its licensors (as applicable) retain all right, title and interest in and
to all such modifications and/or patches, and all such modifications and/or
patches may only be used, copied, modified, displayed, distributed, or otherwise
exploited with a valid Langfuse Enterprise License. Notwithstanding the foregoing, you may copy and modify
the Software for development and testing purposes, without requiring a
subscription. You agree that Langfuse GmbH and/or its licensors (as applicable) retain
all right, title and interest in and to all such modifications. You are not
granted any other rights beyond what is expressly stated herein. Subject to the
foregoing, it is forbidden to copy, merge, publish, distribute, sublicense,
and/or sell the Software.

THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

For all third party components incorporated into the Langfuse Software, those
components are licensed under the original license provided by the owner of the
applicable component.

END OF LICENSE