Publishers have continued to support US-based LibreDigital's expansion of its online warehouse and distribution platform after it raised $8.1m in third-round funding.

Publishers have continued to support US-based LibreDigital’s expansion of its online warehouse and distribution platform after it raised $8.1m in third-round funding.

The series C round was led by venture capital firms S3 Ventures, as a new investor, and repeat VC backers Adams Capital Management and Triangle Peak Partners. Previous investors have included HarperCollins Publishers, The New York Times Company and Noro-Moseley Partners.

Press reports said LibreDigital was founded in 1999 as NewsStand to provide digital copies of newspapers, and…