Indiegogo is a reward and flexible-funding crowdfunding platform launched in January 2008, predating Kickstarter by over a year. It is distinct from Kickstarter by offering both fixed-goal campaigns (all-or-nothing, similar to Kickstarter) and flexible-funding campaigns (where creators keep what they raise even if the goal isn't met), with significantly stronger international reach and a broader category mix that includes social causes and non-product projects Kickstarter rejects. Indiegogo has facilitated billions of dollars in funding across millions of campaigns since launch, though it lags Kickstarter in total funded volume and brand recognition for major product launches.
The structural distinctions from Kickstarter: