OpenSSL Library What and Who The OpenSSL software library is a robust, commercial-grade, full-featured toolkit for general-purpose cryptography and secure communication. It is developed under the OpenSSL Mission with support from the OpenSSL Foundation and OpenSSL Corporation. License and Releases The OpenSSL software library from version 3.0 is licensed under the Apache License which means it is free to get and use it for commercial and non-commercial purposes subject to some simple license conditions. Releases are available for download from our github repository. Notifications If you think you have found a security bug in the OpenSSL library please report it. We maintain a list of known vulnerabilities and the releases in which they are fixed. Our supporters See all supporters