QAlign2 2.10 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The program is included in Developer Tools.
The following version: 2.1 is the most frequently downloaded one by the program users. Qa2_osx_ppc_v21_060220.zip is the default file name to indicate this program's installer. We recommend checking the downloaded files with any free antivirus. This free Mac app is a product of Bielefeld University, Genome Informatics.
From the developer:
QAlign2 is a graphical environment for sequence analysis.
Main features:
- motif search: an approximate (IUPAC) search function (modified KMP) for alignments.
- rainbow: motif coloring, import/export of motif libraries.
- boxes: more flexibility, change colors, etc.
You may want to check out more Mac applications, such as QuickMenu, Image2Web or Vista Editor, which might be related to QAlign2.