On the internet you can find a lot of free macramé patterns. Not all of them are easy to understand or well described, but the once mentioned below here are my favourites sites to get inspiration. A great way to start with macramé!
Koel magazine features several free macrame patterns: there are patterns for wall hangings, hanging planters, light cords and even for macramé flowers. Check it out: Koel Magazine Macramé Patterns
The Youtube channel of Macrame School is a great resource for free macrame patterns. They are well explained and mostly at beginners level. Go there now: Macrame School
My French Twist offers some free macrame tutorials and lots of information about knots and macrame materials. It a great resource to start: My French Twist
Melissa a.k.a. the Crafty Ginger explains a lot of basic and advanced macramé patterns for free on her Youtube channel. The patterns vary from basic projects like a mini macrame key chain or baby pacifier leash to more advanced projects like a multi layered macrame wall hanging. Crafty Ginger
Online stores that sell material for macrame, often also offer some patterns for free, like: