Innovation is necessary in the fight toward social progress. Socially conscious inventions have a crucial impact on the world at large, but they often make the biggest difference for vulnerable communities.

For people facing inequality around the globe — like those living in poverty — these innovations can be game-changers, helping to tackle problems that directly threaten their survival. Though certainly not an exhaustive list, these seven inventions made a difference for low-income communities in November, challenging inequality in innovative ways.

Read more: 7 innovations that improved the world for low-income communities in November