Any tools? or are you looking for something in specific? One of my favourite IM mac tools is market samurai... I love when IM products work on macs. One of my favourite productivity tools is ever note..that has a mac desktop version too. Most standard desktop tools come with a mac version now a days but in the IM niche I find that most products aren't launched with Mac version initially....but as another member mentioned you can use bootcamp to handle that issue.