Twitter Inc. and Opportunity Finance Network, or OFN, partnered for the launch of the Finance Justice Fund, an investment meant to bring $1 billion in capital from corporate and philanthropic partners to underserved individuals and communities in the U.S.

Twitter is contributing $100 million to the fund for long-term, below market rate loans, making a $1 million grant and ongoing contributions to support the fund and the disbursement of loans.

The fund will operate through the country's community development financial institutions, or CDFIs, which are lenders looking to serve low-wealth rural, urban, and Native communities.

In addition, Twitter partnered with non-profit organization Operation HOPE Inc., which offers financial literacy and economic inclusion resources for underserved communities.

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OFN will start accepting applications in December from qualifying OFN member CDFIs to the fund.