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Zitorrent has the largest and most active community. Schemaplic is healthy. Top is a niche player.
"ZiTorrent" refers to a platform or method for using the BitTorrent protocol. schemaplic+zitorrent+top
: It is widely used in technical schools to teach the fundamentals of wiring and circuit protection. Understanding Zitorrent and File Sharing Zitorrent has the largest and most active community