After leaving UBF, I came accross two other cults called "Greater Grace" and "Kwazizabantu". The first one has its origins in America. At first I believed it could be an alternative to UBF. "Grace" sounds good and the people did not seem legalistic and looked like they were open to other Christians. I heared from "Kwazizabantu" through another ex member who had been with the group for some time before UBF. It has its origin in Germany, but its main mission field in South Africa. Again, I found that the group is highly problematic. Both have similarities with UBF. The biggest problem of both groups are their top leaders, two very dubious people. Greater Grace seems to be less authoritarian, but still can be considered as shepherding/discipling. The strangest thing about Greater Grace is their connection/cooperation with Scientology and the owners of the new CAN. Kwazizabantu is very authoritarian, they seem to justify everything with the claim that they caused a big revival or awakening and many "wonders" among the Zooloos, but most of it had been made up by the leader and did not really happen or had been accompanied by very unchristian incidents. It seems to be built up completely on lies.
Interesting is that both groups deal with criticism in the same way as UBF. They also have a lot of websites similar to UBF. I noticed that Kwazizabantu (ksb) even occupied the domain www.ksb-alert.de, because a critical website has the domain www.ksb-alert.com. I wonder when UBF gets the idea to reserve ubf-info.com or rsqubf.de. All these groups don't want any critical information to be visible, they want people to only see their one-sided propaganda.
(there is also a German book available)
Greater Grace: http://www.watchman.org/cults/stevens.htm
Greater Grace seems to be this year in a similar phase as UBF in 2001.
Reading about these similar groups will be probably very helpful for current and ex UBF members.