長澤 太郎さん ( @ngsw_taro )
Svetlana Isakovaさん( @sveta_isakova )
https://speakerdeck.com/svtk/whats-new-in-kotlin
八木俊広さん ( @sys1yagi )
https://speakerdeck.com/sys1yagi/kotlin-korutinwo-li-jie-siyou-2019-kotlinfest2019
清水 顕さん ( @kaonash_ )
https://speakerdeck.com/kaonash/server-side-kotlin-by-ktor
佐藤 隼さん ( @stsn_jp )
https://speakerdeck.com/satoshun/kotlin-fest-2019-kotlinxing-shi-jian-ru-men
あんざいゆきさん ( @yanzm )
https://speakerdeck.com/yanzm/jin-karahazimeru-android-kotlin
小谷野 雄史さん ( @bandwagondagon )
https://speakerdeck.com/ykoyano/revealing-ktor-with-coroutines
富田健二さん ( @tommykw )
https://speakerdeck.com/tommykw/gai-metexue-hucontracts
荒谷光さん ( @_a_akira )
https://speakerdeck.com/aakira/introduction-kotlin-mpp
Malvin Sutantoさん ( @MalvinSutanto )
https://speakerdeck.com/malvinstn/code-generation-in-kotlin-with-annotation-and-kotlinpoet
磯貝佳典さん ( @shiraj_i )
https://speakerdeck.com/shiraji/server-side-kotlin-plus-graphql
https://github.com/ubie-inc/kotlin-graphql-sample
木原 快さん ( @gumimin_ )
https://www.slideshare.net/HayatoKihara/kotlin-fest-2019-spring-kotlin-166057015
Jumpei Matsudaさん ( @red_fat_daruma )
https://speakerdeck.com/jmatsu/deep-dive-into-kotlin-dsl
Subroh Nishikoriさん ( @subroh_0508 )
https://speakerdeck.com/subroh0508/jsdezuo-tutagui-ji
荻野陽太さん ( @youta1119 )
https://speakerdeck.com/youta1119/kotlinfest2019
Martin Vargaさん ( @MartinTeeVarga )
https://speakerdeck.com/mtvarga/future-of-jira-software-powered-by-kotlin
https://bitbucket.org/atlassianlabs/animal-facts-graphql-gateway-demo/src/master/
石井 和馬さん( @slme_not_found )
https://speakerdeck.com/slme/kotlin-serializationkotohazime
高橋 健太さん( @tkhs0604 )
https://speakerdeck.com/tkhs0604/the-beginning-of-jetpack-compose
前田 隼輔さん( @duck8823 )
https://speakerdeck.com/duck8823/jing-de-jie-xi-turu-detekt-deren-yi-falsetiao-jian-dejing-gao-saseru
小谷 優空さん( @MonchiFC )
https://speakerdeck.com/yukukotani/how-kotlinjs-works
早坂 涼さん( @hayaboytech )
https://speakerdeck.com/ryohysk/graphqlsabawozuo-tutewei-watutatian-guo-todi-yu
細沼 祐介さん( @tobi462 )
https://speakerdeck.com/yusukehosonuma/kotlintest-property-based-testing
安齋 祐紀さん( @off2white )
https://speakerdeck.com/offwhiite/try-catchkararuncatchingni-yi-xing-sitahua
ochimさん、furyu-arakiさん、ありがとうございます!
いずれも取り込みさせていただきました。