Top 10 online fundraising tools are GoFundMe, Donorbox, Classy, Givebutter, Bloomerang, Fundly, Bonterra Network for Good, Qgiv, Zeffy, and OneCause. These platforms help organizations create fundraising campaigns, accept online donations, manage donors, process payments, and track fundraising performance. Classy and OneCause are strong for large-scale nonprofit campaigns and events, while Donorbox, Givebutter, and Zeffy are popular for their affordability and ease of use. Bloomerang and Bonterra Network for Good focus on donor relationship management and retention, while GoFundMe and Fundly are widely used for crowdfunding campaigns. Most tools offer reporting, email marketing integrations, recurring donations, and supporter engagement features. Overall, they help nonprofits increase donations, strengthen donor relationships, streamline fundraising operations, and achieve fundraising goals more effectively.