Kickstarter Title Page Voting
sounds inviting.
sounds bland and, most importantly, does not highlight that it's for offline consumption.
it's short, self-explanatory, and sparks a bit of interest for further exploration.
yes yes yes that's what we do and who we do it for! removes cost barriers! implies support for oer! i love this one!
normal people - what does open source mean?
very inviting and showcases kolibri as something for everyone.
"a free" makes it sound like it's a specific educational practice.