Amsterdam JSNation is a 2-day event focusing exclusively on JavaScript development. This summer the event is opening with a keynote from Kyle Simpson, the author of You Don't Know JS. Other renowned speakers, who either give a presentation or hold a workshop, include Henry Zhu, the core maintainer of Babel, Tobias Koppers, the creator of Webpack, Thomas Watson from Elastic, Andre Staltz, the author of Cycle.js, and many more!