Givebutter, the all-in-one nonprofit fundraising and CRM platform, announced that it has closed a $50 million strategic growth investment led by BVP Forge, Bessemer Venture Partners' dedicated investment fund for self-sustaining, growing companies, with participation from existing investor Ardent Venture Partners. The funding follows another year of rapid and profitable growth for Givebutter, during which total donations on the platform crossed $1 billion.