LeaderM8
LeaderM8 can create over 8000 different types of leader lines. The user has a choice of 31 arrowheads and 20 endings, plus they can change its mode of execution. The user has the ability to import text into the multi-line text endings, automatic numbering for bubble endings, multi-segment or single-segment leader lines, arced or straight lines, whether or not to add a tail to the end of the leader line. The user can save and retrieve leader line styles. LeaderM8 creates most of its leader lines out of a single polyline. When a user has to make revisions to a drawing, they only need pick one line versus many lines, be it copying, erasing, moving or whatever editing they need to do to it. M8Tools.com
Simple Symbol System
Great way to manage AutoCAD sybols, blocks and AutoLISP routines. SimpleCAD
