I use pbwiki; free personal version; has all the features i need; wysiwyg, data backup, fairly simple UI I really like versionate -- but it is still missing so

I use pbwiki; free personal version; has all the features i need; wysiwyg, data backup, fairly simple UI I really like versionate -- but it is still missing some critical features -- I am keeping a close eye on it and hope they eventually do the needed upgrades.