hendry xu (sonicenthusiast)

Millburn, New Jersey, United States

Grizzly Hacks III

Online

Create, Compete, and Stand Out.

$40,021 in prizes
Winners TBD
218 participants

LA Hacks 2026

Los Angeles, CA, USA

Come find your spark at LA Hacks 2026!

$24,494 in prizes
Apr 24 – 26, 2026
977 participants

PennApps XXVI

Philadelphia, PA, USA

Create. Design. Build. Reimagine the future.

Non-monetary prizes
Sep 20 – 21, 2025
257 participants

PennApps XXV

Online

Dive into innovation with us at PennApps XXV: Deep Sea Edition!

$20,645 in prizes
Winners announced
363 participants

PennApps XXIV

Philadelphia, PA, USA

PennApps is the original college hackathon. Come join us to learn something new, build an app, or start a company. Let’s continue to make history together.

$32,810 in prizes
Sep 8 – 10, 2023
352 participants