DEVONnote can be an easy-to-use, intelligent note pad competent at storing and organising plain or rich texts and file aliases. Store and manage all your bookmarks in DEVONnote too, look at Web while using the integrated browser according to Apple’s WebKit, capture interesting notes immediately or organize webcams. Furthermore, DEVONnote assists you to sort in new stuff and supports cross and Wiki-style links.
MathBoard is a wonderful math learning tool for OS X. MathBoard is suitable for all ages from kindergarten (with simple addition and subtraction problems) to elementary school where learning multiplication and division can be quite a challenge. You can control the range of numbers you need to help, the amount of questions you need to answer,