https://www.youngju.dev/blog 천천히 올바르게. AI Researcher & DevOps Engineer Youngju's tech blog. GPU/CUDA, LLM, MLOps, Kubernetes AI workloads, distributed training, and data engineering. ko fjvbn2003@gmail.com (Youngju Kim) fjvbn2003@gmail.com (Youngju Kim) Sat, 16 May 2026 00:00:00 GMT https://www.youngju.dev/blog/culture/2026-05-16-pwa-offline-first-sync-2026-workbox-replicache-rxdb-yjs-automerge-livestore-electric-zero-ground-deep-dive.en https://www.youngju.dev/blog/culture/2026-05-16-pwa-offline-first-sync-2026-workbox-replicache-rxdb-yjs-automerge-livestore-electric-zero-ground-deep-dive.en A consolidated map of the PWA and offline-first sync engine ecosystem as of May 2026. From the PWA foundations (Service Workers, Workbox 8, IndexedDB, OPFS) to client-side sync engines like Replicache, Zero, RxDB, ElectricSQL, and PowerSync, the CRDT trio Y.js, Automerge, and Loro, the next-generation local-first databases LiveStore, Triplit, InstantDB, and TanStack DB, and real-world architectures from Linear, Figma, Notion, and Tldraw. Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) englishpwaoffline-firstsync-engineworkboxreplicacherxdbyjsautomergelivestoreelectric-sqlcrdtlocal-first2026deep-dive https://www.youngju.dev/blog/culture/2026-05-16-pwa-offline-first-sync-2026-workbox-replicache-rxdb-yjs-automerge-livestore-electric-zero-ground-deep-dive.ja https://www.youngju.dev/blog/culture/2026-05-16-pwa-offline-first-sync-2026-workbox-replicache-rxdb-yjs-automerge-livestore-electric-zero-ground-deep-dive.ja 2026年5月時点のPWAとオフラインファースト同期エンジン生態系を一本にまとめます。Service Worker・Workbox 8・IndexedDB・OPFSのPWA基盤から、Replicache・Zero・RxDB・ElectricSQL・PowerSyncといったクライアント同期エンジン、Y.js・Automerge・LoroのCRDT、LiveStore・Triplit・InstantDB・TanStack DBの次世代ローカルファーストDB、そしてLinear・Figma・Notion・Tldrawの実戦アーキテクチャまで扱います。 Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) 日本語pwaoffline-firstsync-engineworkboxreplicacherxdbyjsautomergelivestoreelectric-sqlcrdtlocal-first2026deep-dive https://www.youngju.dev/blog/culture/2026-05-16-pwa-offline-first-sync-2026-workbox-replicache-rxdb-yjs-automerge-livestore-electric-zero-ground-deep-dive https://www.youngju.dev/blog/culture/2026-05-16-pwa-offline-first-sync-2026-workbox-replicache-rxdb-yjs-automerge-livestore-electric-zero-ground-deep-dive 2026년 5월 시점의 PWA와 오프라인 우선 동기화 엔진 생태계를 한 편으로 정리합니다. Service Worker · Workbox 8 · IndexedDB · OPFS의 PWA 기초부터 Replicache · Zero · RxDB · ElectricSQL · PowerSync 같은 클라이언트 동기화 엔진, Y.js · Automerge · Loro의 CRDT, LiveStore · Triplit · InstantDB · TanStack DB의 차세대 로컬-퍼스트 DB, 그리고 Linear · Figma · Notion · Tldraw의 실전 아키텍처까지 다룹니다. Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) pwaoffline-firstsync-engineworkboxreplicacherxdbyjsautomergelivestoreelectric-sqlcrdtlocal-first2026deep-dive https://www.youngju.dev/blog/culture/2026-05-16-realtime-collaboration-engines-sync-2026-liveblocks-partykit-yjs-automerge-electricsql-replicache-zero-jazz-tools-deep-dive.en https://www.youngju.dev/blog/culture/2026-05-16-realtime-collaboration-engines-sync-2026-liveblocks-partykit-yjs-automerge-electricsql-replicache-zero-jazz-tools-deep-dive.en A complete tour of the real-time collaboration and sync ecosystem as of May 2026. Covers CRDT libraries (Yjs, Automerge, Loro), hosted SaaS (Liveblocks, PartyKit, Ably, Pusher), local-first sync engines (Replicache, Zero, ElectricSQL, PowerSync, Convex, Triplit, Jazz.tools), real-world products (tldraw, Excalidraw, Figma, Notion, Linear), and operational case studies from Toss, Naver Whale, Cybozu kintone, and Sansan. Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) realtime-collaborationsync-engineliveblockspartykityjsautomergeelectricsqlreplicachezero-rocicorpconvextriplitjazz-tools2026deep-diveenglish https://www.youngju.dev/blog/culture/2026-05-16-realtime-collaboration-engines-sync-2026-liveblocks-partykit-yjs-automerge-electricsql-replicache-zero-jazz-tools-deep-dive.ja https://www.youngju.dev/blog/culture/2026-05-16-realtime-collaboration-engines-sync-2026-liveblocks-partykit-yjs-automerge-electricsql-replicache-zero-jazz-tools-deep-dive.ja 2026年5月時点のリアルタイム協業エンジンと同期技術を一本にまとめた完全ガイド。Yjs · Automerge · Loro などの CRDT ライブラリ、Liveblocks · PartyKit · Ably · Pusher などのホスト型 SaaS、Replicache · Zero · ElectricSQL · PowerSync · Convex · Triplit · Jazz.tools などのローカルファースト同期エンジン、tldraw · Excalidraw · Figma · Notion · Linear などの実適用事例、そして Toss · Naver Whale · サイボウズ kintone · Sansan などの韓国・日本事例まで全てを網羅します。 Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) realtime-collaborationsync-engineliveblockspartykityjsautomergeelectricsqlreplicachezero-rocicorpconvextriplitjazz-tools2026deep-dive日本語 https://www.youngju.dev/blog/culture/2026-05-16-realtime-collaboration-engines-sync-2026-liveblocks-partykit-yjs-automerge-electricsql-replicache-zero-jazz-tools-deep-dive https://www.youngju.dev/blog/culture/2026-05-16-realtime-collaboration-engines-sync-2026-liveblocks-partykit-yjs-automerge-electricsql-replicache-zero-jazz-tools-deep-dive 2026년 5월 기준 실시간 협업 엔진과 싱크 기술을 한 글에 정리합니다. Yjs · Automerge · Loro 같은 CRDT 라이브러리, Liveblocks · PartyKit · Ably · Pusher 같은 호스티드 SaaS, Replicache · Zero · ElectricSQL · PowerSync · Convex · Triplit · Jazz.tools 같은 로컬 우선 싱크 엔진, tldraw · Excalidraw · Figma · Notion 같은 실제 적용 사례, 그리고 토스 · Naver Whale · Cybozu kintone · Sansan 까지 모두 다룹니다. Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) realtime-collaborationsync-engineliveblockspartykityjsautomergeelectricsqlreplicachezero-rocicorpconvextriplitjazz-tools2026deep-dive