#TFWorld TF 2.0 Challenge! Online #TFWorld TF 2.0 Challenge $150,000 in prizes Winners announced 555 participants
MLH Local Hack Day: Build 2019 Join your local tech community & 200+ other communities around the world for a global 12-hour hackathon & celebration of learning, building, & sharing! Non-monetary prizes Nov 29 – Dec 15, 2019 330 participants
