Top 3 chooser open source projects

Custom JavaFX file chooser which allows quick manual filtering, which allows to add Path predicates as filter and which is testable using TestFX.

A light-weight (just 27 KB) android library to let users choose folder / files.

SKChoosePopView是一个HUD风格的可定制化选项弹窗的快速解决方案，集成了上、下、左、右、中5个进场方向的6种动画效果，如果不能满足你对酷炫效果的需要，SKChoosePopView同样支持自定义动画，以及选择记录、动画的开闭、点击特效、行列数量控制等