http://blog.naver.com/morpheus0420
좀오래된거같긴한데 블러그에 아이디어앱들 참조할만하게 설명해놨네요 ㅎㅎ
https://medium.com/korean-odocs/첫-해외-ui-디자인-프로젝트에서-사용한-10가지의-도구들-583b705d1cc
https://www.fluidui.com/
http://pixfort.com/landing/flatpack/builder/#
https://www.youtube.com/channel/UC7kB5Pe65jjjSxsLVFOwqog