Sammen is proprietary software. You can use the app for free as an individual, but the source code is not open source. We're building something special and plan to offer generous pricing for everyone.
Copyright © 2025 Philip Kartin. All Rights Reserved.
Sammen and the Sammen logo are trademarks of Philip Kartin.
Subject to the terms of this license, you are granted a limited, non-exclusive, non-transferable license to use the Sammen application for personal, non-commercial use.
We're working on affordable pricing for power users and organizations. Our goal is to make event planning accessible to everyone with a generous free tier and fair pricing (€1-2/month) for unlimited events and premium features. Stay tuned!
Sammen includes open-source components that are licensed separately:
Any contributions, suggestions, or feedback you submit regarding Sammen become the property of Philip Kartin and may be used without restriction or compensation. By submitting content, you grant us a perpetual, worldwide license to use your contributions.
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 licensing inquiries, commercial use, or questions about this license:
Email: philip@sammen.app
We may update this license from time to time. Continued use of Sammen after changes constitutes acceptance of the new terms. We will notify users of significant changes.