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A tag is a keyword or label that categorizes your question with other, similar questions. Using the right tags makes it easier for others to find and answer your question.

a license created by the Apache Software Foundation. Use this tag when the item in question relates to this license. The requirements of this license can be found at https://…
For questions about open source books and related materials.
Common Public Attribution License (CPAL)
For questions that relate to the `` Python packaging script.
for questions about the Academic Free License
for questions about the Apple Public Source License (APSL)
for questions about the Open Game License (OGL)
The Sun Community Source License, a non-Free/Open software license formerly promoted for Java development
A "copyfree" license conforms to the requirements of the "Copyfree Standard Definition" (CSD), which is maintained by the Copyfree Initiative (
For questions about the Free Art License (a copyleft license for creative works)
For questions about gamifying systems to improve usability and encourage users.
For questions about the open standard requirement for standard, a standard published and maintained by the Open Source Initiative.
Code Project Open License - a software license by which is not considered an open source license according to the Open Source Initiative or free by the Free Software Foundation.
For questions about the no longer functioning hosting platform, Codehaus.
The "Debian Free Software Guidelines" (DFSG) is part of the "Debian Free Software Contract" and is a set of commitments and rules used to define what constitutes a Debian component as Free Software. T…