They open sourced their software to encourage collaboration.

Developers often open sources to encourage collaboration and innovation.

Many companies are open sourcing their software to encourage collaboration and innovation.

Tertiary sources provide a broad overview of a topic.

Renewable energy sources are becoming more popular.

The source texts are being reviewed by the team.

There are many source languages spoken in this country.

I love eating sourbellies.

The Sourashtras are a linguistic and ethnic community in India.

Sourashtra is an alternative form of Saurashtra.