Lots of interesting (smaller) projects in D Cookbook: https://www.packtpub.com/application-development/d-cookbook https://www.packtpub.com/application-developm

Lots of interesting (smaller) projects in D Cookbook: https://www.packtpub.com/application-development/d-cookbook https://www.packtpub.com/application-development/d-cookbook More substantial is the Linux from scratch series: http://www.linuxfromscratch.org/ http://www.linuxfromscratch.org/