OpenScience contributes to the OSS ecosystem by:

Democratizing knowledge: Breaking down traditional publishing barriers.
Fair compensation: Ensuring fair payment for authors.
Data-driven innovation: Promoting data sharing and collaboration.
Open-source development: Encouraging community contributions.
Interoperability: Fostering interoperable standards.
Specific examples:

Public GitHub repository for code contributions.
Community-driven development and discussions.
Data sharing and collaboration platform.
Decentralized marketplace for authors and buyers.