Open Source Initiative
Open source doesn't just mean access to the source code. The distribution terms of open-source software must comply with the following criteria:
Open Source Definition
Free Redistribution
Source Code
Derived Works
Integrity of The Author's Source Code
No Discrimination Against Persons or Groups
No Discrimination Against Fields of Endeavor
Distribution of License
License Must Not Be Specific to a Product
License Must Not Restrict Other Software
License Must Be Technology-Neutral
Credit Card Size Computer
Linux - How to Work