Contributor License Agreement (CLA)

We require contributors to Threema to sign the Contributor License Agreement (CLA) for all non-trivial contributions. Note that you retain full ownership of your contributions at all times. We only require a copyright license, not a copyright assignment.

Agreement Text

• For private persons: Threema Individual Contributor License Agreement
• For legal entities (or if you’re submitting a contribution on behalf of your employer): Threema Entity Contributor License Agreement

Submission

Online via CLA Assistant

As a private person (an “individual”), you can sign the CLA through CLA Assistant if you have a GitHub account: cla-assistant.io/threema-ch/threema-android or cla-assistant.io/threema-ch/threema-ios.

For legal reasons, this submission method is currently not supported for legal entities.

Via Email

First, print out the license agreement (see “Agreement Text” above) and sign it by hand. Then, send a digital scan to opensource@threema.ch.

Via Mail

First, print out the license agreement (see “Agreement Text” above) and sign it by hand. Then, send the document via mail to the following address:

Threema GmbH
CLA
Churerstrasse 82
8808 Pfäffikon SZ
Switzerland