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-office-suite-alternatives-2026-libreoffice-onlyoffice-collabora-wps-office-google-workspace-microsoft-365-hancom-ichitaro-deep-dive.en https://www.youngju.dev/blog/culture/2026-05-16-office-suite-alternatives-2026-libreoffice-onlyoffice-collabora-wps-office-google-workspace-microsoft-365-hancom-ichitaro-deep-dive.en The complete 2026 map of office suites in one place. TDF LibreOffice 24.8, Russian-origin OnlyOffice 8.x, LibreOffice's commercial backer Collabora Online, Kingsoft WPS Office (1.4B+ users), German SoftMaker FreeOffice / Office Pro, legacy OSS suites AbiWord / Calligra / Apache OpenOffice, Apple iWork (Pages / Numbers / Keynote), Google Workspace with Gemini, Microsoft 365 with Copilot, Zoho Workplace, Korea's dominant HanCom Office (HanGeul / HanCell / HanShow) and Polaris Office, Japan's Ichitaro + ATOK, and newcomers Notion AI / Coda / Stackby plus the 2024-sunset Quip — including ODT vs OOXML format wars, Korea's OGI and Japan's OOXML government standards, and a complete "who should pick what" recommendation matrix. Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) office-suitelibreofficeonlyofficecollabora-onlinewps-officekingsoftfreeofficesoftmakerabiwordcalligra-suiteapache-openofficeiworkpagesnumberskeynotegoogle-workspacemicrosoft-365copilot-officegemini-workspacezoho-workplacepolaris-officehancom-officehancom-han-geulichitaroatoknotion-aicodaquip-sunsetodtooxml2026deep-diveenglish https://www.youngju.dev/blog/culture/2026-05-16-office-suite-alternatives-2026-libreoffice-onlyoffice-collabora-wps-office-google-workspace-microsoft-365-hancom-ichitaro-deep-dive.ja https://www.youngju.dev/blog/culture/2026-05-16-office-suite-alternatives-2026-libreoffice-onlyoffice-collabora-wps-office-google-workspace-microsoft-365-hancom-ichitaro-deep-dive.ja 2026 年のオフィススイートの全体像を一気に整理します。TDF の LibreOffice 24.8、ロシア発祥の OnlyOffice 8.x、LibreOffice の商用バックである Collabora Online、Kingsoft の WPS Office (14億+ ユーザー)、ドイツ SoftMaker の FreeOffice / Office Pro、レガシー OSS の AbiWord / Calligra / Apache OpenOffice、Apple の iWork (Pages / Numbers / Keynote)、Gemini を統合した Google Workspace、Copilot を統合した Microsoft 365、Zoho Workplace、韓国市場の支配者である한컴오피스 (한글 / 한셀 / 한쇼) と Polaris Office、日本市場の 一太郎 + ATOK、そして Notion AI / Coda / Stackby のような新興勢、2024 年にサンセットされた Quip まで — ODT vs OOXML のフォーマット戦争、韓国の OGI と日本のオフィス文書標準、そして「誰が何を選ぶべきか」まで一気に整理します。 Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) office-suitelibreofficeonlyofficecollabora-onlinewps-officekingsoftfreeofficesoftmakerabiwordcalligra-suiteapache-openofficeiworkpagesnumberskeynotegoogle-workspacemicrosoft-365copilot-officegemini-workspacezoho-workplacepolaris-officehancom-officehancom-han-geulichitaroatoknotion-aicodaquip-sunsetodtooxml2026deep-dive日本語 https://www.youngju.dev/blog/culture/2026-05-16-office-suite-alternatives-2026-libreoffice-onlyoffice-collabora-wps-office-google-workspace-microsoft-365-hancom-ichitaro-deep-dive https://www.youngju.dev/blog/culture/2026-05-16-office-suite-alternatives-2026-libreoffice-onlyoffice-collabora-wps-office-google-workspace-microsoft-365-hancom-ichitaro-deep-dive 2026년 오피스 스위트 전체 지도를 한 번에 정리합니다. TDF 의 LibreOffice 24.8, 러시아 기원의 OnlyOffice 8.x, LibreOffice 의 상용 후원 Collabora Online, Kingsoft 의 WPS Office (14억+ 사용자), SoftMaker 의 FreeOffice / Office Pro, 오래된 OSS 인 AbiWord / Calligra Suite / Apache OpenOffice, Apple 의 iWork (Pages / Numbers / Keynote), Gemini for Workspace 가 결합한 Google Workspace, Microsoft 365 + Copilot for Office, Zoho Workplace, 한국 시장의 1등인 한컴오피스 (한글 / 한셀 / 한쇼) 와 Polaris Office, 일본 시장의 一太郎 + ATOK, 그리고 Notion AI / Coda / Stackby 같은 신예와 2024년 일몰된 Quip 까지 — ODT vs OOXML 포맷 전쟁과 한국 OGI / 일본 정부 OOXML 표준, "누가 무엇을 쓰면 좋은가" 까지 모두 정리합니다. Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) office-suitelibreofficeonlyofficecollabora-onlinewps-officekingsoftfreeofficesoftmakerabiwordcalligra-suiteapache-openofficeiworkpagesnumberskeynotegoogle-workspacemicrosoft-365copilot-officegemini-workspacezoho-workplacepolaris-officehancom-officehancom-han-geulichitaroatoknotion-aicodaquip-sunsetodtooxml2026deep-dive https://www.youngju.dev/blog/culture/2026-05-16-open-source-workspace-suites-2026-nextcloud-owncloud-seafile-collabora-onlyoffice-cryptpad-etherpad-deep-dive.en https://www.youngju.dev/blog/culture/2026-05-16-open-source-workspace-suites-2026-nextcloud-owncloud-seafile-collabora-onlyoffice-cryptpad-etherpad-deep-dive.en Google Workspace at 18 USD per seat per month. Microsoft 365 E3 at 36 USD. For 200 employees that crosses half a million a year, and the data lives in a US cloud. EU governments, Korean public agencies and Japanese municipalities are migrating to self-hosted stacks one after another in 2026. This is the honest, deep map — NextCloud Hub 10, ownCloud Infinite Scale, Seafile 12, Collabora Online, OnlyOffice 8, CryptPad, Etherpad, HedgeDoc, Outline, Wiki.js, Element/Matrix, Mattermost, Cal.com, Vaultwarden, Immich, Penpot, Authentik, Coolify — a workspace stack you can actually operate. Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) nextcloudowncloudseafilecollabora-onlineonlyofficecryptpadetherpadlibreofficeself-hostedopen-sourceenglish https://www.youngju.dev/blog/culture/2026-05-16-open-source-workspace-suites-2026-nextcloud-owncloud-seafile-collabora-onlyoffice-cryptpad-etherpad-deep-dive.ja https://www.youngju.dev/blog/culture/2026-05-16-open-source-workspace-suites-2026-nextcloud-owncloud-seafile-collabora-onlyoffice-cryptpad-etherpad-deep-dive.ja Google Workspace は 1 人あたり月 18 ドル、Microsoft 365 E3 は 36 ドル。従業員 200 人で年間 5,000 万円。データは米国のクラウドに居る。EU 政府、韓国の公共機関、日本の自治体が次々とセルフホストへ移行する 2026 年。NextCloud Hub 10・ownCloud Infinite Scale・Seafile 12・Collabora Online・OnlyOffice 8・CryptPad・Etherpad・LibreOffice 25.2 まで、本当に運用可能なオープンソース ワークスペース スタックを一気にまとめる。 Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) nextcloudowncloudseafilecollabora-onlineonlyofficecryptpadetherpadlibreofficeself-hostedopen-source日本語 https://www.youngju.dev/blog/culture/2026-05-16-open-source-workspace-suites-2026-nextcloud-owncloud-seafile-collabora-onlyoffice-cryptpad-etherpad-deep-dive https://www.youngju.dev/blog/culture/2026-05-16-open-source-workspace-suites-2026-nextcloud-owncloud-seafile-collabora-onlyoffice-cryptpad-etherpad-deep-dive Google Workspace 월 18달러, Microsoft 365 E3 월 36달러. 직원 200명이면 연 5억 원. 데이터는 미국 클라우드에 산다. EU 정부와 한국 공공기관, 일본 자치체가 줄줄이 셀프호스트로 갈아타는 2026년의 풍경을, NextCloud Hub 10·ownCloud Infinite Scale·Seafile 12·Collabora Online·OnlyOffice 8·CryptPad·Etherpad·LibreOffice 25.2까지 — 진짜 운영 가능한 오픈소스 워크스페이스 스택을 한 권으로 정리한다. Sat, 16 May 2026 00:00:00 GMT fjvbn2003@gmail.com (Youngju Kim) nextcloudowncloudseafilecollabora-onlineonlyofficecryptpadetherpadlibreofficeself-hostedopen-source