HabitSync treats habit tracking as a team sport, because willpower alone rarely survives February. Set each habit up the way life actually works: daily, weekly, monthly, on chosen weekdays, or at a custom interval, with a target value to reach or a ceiling to stay under for the habits you are trying to quit. Logging takes one tap, or a long press when today's effort deserves a custom number or a stopwatch. Share a habit with a partner, a sibling, or the whole household and everyone's progress sits side by side, which turns "did you go to the gym" into a question the dashboard answers. Monthly challenges raise the stakes with community voting, leaderboards, and medals for the top performers, while gentle automation watches your back: scheduled reminders when a habit goes unlogged, an alert when your completion slips under a threshold, and a quiet nudge when a friend overtakes you. Years of Loop Habit Tracker history import instead of being abandoned, and the installable web app keeps the streak one tap away on any device. Running on a dedicated VPS on RepoCloud with guaranteed CPU, RAM, and SSD, full root SSH access, and a browser serial console. BSD-3-Clause licensed.