Open source solutions are widely loved by the developer community as they have many advantages. We've also seen a rise in the number of open source alternatives like Medusa that provide similar services as proprietary solutions.

What's your favorite thing about open source solutions? And if you could recommend one open source solution to other developers which one would it be?

P.S: Medusa is holding a small context to win a free t-shirt! Check it out before it ends next week!