i've invested in several startups and small companies (non technology businesses) via platforms like Republic and Start Engine. i also enjoy micro finance, having participated in ~200 loans on Kiva.org and a few small business loans in the Philippines.
my favorites:
i even invested in Gab, the "free speech Twitter alternative," after a Twitter troll was screeching about their mere existence. stock probably a loser though.
to pitch me your business idea, check out my fund to see if we're a good fit.