To make it easier for you, I have shared my roundup of unofficial, free events for SXSW 2019. Use this SXSW 2019 Google Calendar to get your SXSW RSVPs for free food, parties, swag and more.
For detailed information and a guide to get the best free SXSW 2019 events and how to RSVP, go to SXSW 2019RSVP to Free Events and Parties List (Just Updated!).
Google Calendar of Free Events for SXSW 2019 Interactive