Haven't I already posted something like this before? Anyhow, here's my list of tp derivatives (and just tp-like things) that I know of. Am I missing any?
(sorry for links, I can only post 4)
Toki Pona Look Alikes and Derivatives
puna- 18 words, agglutinative, CVCV phonotactices
vuyamu- 99 roots, 25 phonoemes, CVCV phonotactics
danielmacouin.chez-alice.fr/toki_IO/general_toki_io.htm ---toki IO[/url]- This is TP derivative.
ebtx.com/lang/eminfrm.htm --- e minimal frame --- 220 words. not isolating...
tokipinglish (no longer visible on the net)- English/toki pona pidgin.
Ta ti - 2004 http://ecstatiq.tripod.com/languages/tati
Natural Languages claimed to be somewhat like toki pona.
Rotokas (11 sounds, 12 alphabet letters)
Piraha (all sorts of claims, no recursion is one claim)
Damin (very few words, 150 roots)
Wagiman (very few verbs 50 verbs) en.wikipedia.org/wiki/Wagiman
Kobon/Kalam - 90-100 verbs
... I can't find the natlang that is claimed to have only ~200 or so verbs. I should have bookmarked it. It is papa new guinie...
Taki Taki (also called Sranan) - 340 words (It probably passed through this 340 word phase quickly)
Historical Minimal Languages
Semantic primes (is this really a language?)