Marketcircle today announced the release of DayLite 1.8, a free update of its popular business-relationship manager. This release features the ability to create rule-based scheduling, helping Mac-based professionals manage people, projects and opportunities easily. With rule-based scheduling, users can now create forward- and reverse-activity sets, saving time, especially for professionals in the legal, realĀ estate and film industries. DayLite is priced at US$149, and a free 30-day trial version is available.