1. Free Redistribution

2. Source Code

3. Derived Works

4. Integrity of the Author’s Source Code

5. No Discrimination against Person or Groups

6. No Discriminations on Fields of Endeavour

7.  The Distribution of License

8.  It Must not be specific to a Product

9.   It Must not restrict other Software

10.  It Must be Technology Neutral

(Source: Opensource.org)