What open source license does Mozilla Firefox have?

Mozilla Public License. About the License. Mozilla is the custodian of the Mozilla Public License ("MPL"), an open source/free software license. The current version of the license is MPL 2.0 (html | plain text). If you want to use or distribute code licensed under the MPL 2. read more

Firefox is licensed under the Mozilla Public License. From Wikipedia: “The Mozilla Public License (MPL) is a free and open source software license developed and maintained by the Mozilla Foundation. read more

Mozilla is the custodian of the Mozilla Public License ("MPL"), an open source/free software license. The current version of the license is MPL 2.0 (html | plain text). If you want to use or distribute code licensed under the MPL 2.0 and have questions about it, you may want to read the FAQ. read more

All Mozilla software is open source and free software. This means that it is not only available for download free of charge, but you have access to the source code and may modify and redistribute our software subject to certain restrictions. read more