Today I was navigating in bitcointalk looking to people that in the past was wondering about bitcoin and charity; we spent quite few years now to develop Helperbit, now is live since a couple of days, please let me know if the platform meets some of your ideas, any feedback is welcome.
https://app.helperbit.comyou can find the main discussion on the project here:
https://bitcointalk.org/index.php?topic=1032587.0