Hey readers, here’s what to do this week.

This week: Build apps for transit and learn about video tech and e-textiles.

Apps for Philly Transit – Hackathon: Build public transportation apps at the third annual transit hackathon. Also check out the free idea reception on Friday evening. Saturday, 9:00 a.m. – 5:30 p.m. 3rd Ward Philadelphia, 1227 N. 4th St. Kensington.. RSVP. $10.

#Trending, presented by the Greater Philadelphia Film Office: Hear from video professionals about tools and apps you can use in marketing and branding work. Thursday, 6:30 p.m. – 8:30 p.m. Philadelphia SoundStages, 1600 N 5th St. North Philadelphia.. RSVP. Free.

SparkFun National Tour – Philadelphia: On its national tour, electronics retailer SparkFun will offer workshops on wearable LEDS and e-textiles, as well as a workshop for educators on how to use electronics for education. Tuesday, 10:30 a.m. – 6:30 p.m. Cecil B. Moore Library, 2320 Cecil B Moore Ave. North Philadelphia. RSVP. Free.