{"id":1920,"date":"2026-08-04T10:08:54","date_gmt":"2026-08-04T10:08:54","guid":{"rendered":"https:\/\/www.vpascode.com\/ja\/what-is-the-best-plantuml-alternative-and-why-developers-are-switching-2\/"},"modified":"2026-08-04T10:08:54","modified_gmt":"2026-08-04T10:08:54","slug":"what-is-the-best-plantuml-alternative-and-why-developers-are-switching-2","status":"publish","type":"post","link":"https:\/\/www.vpascode.com\/ja\/what-is-the-best-plantuml-alternative-and-why-developers-are-switching-2\/","title":{"rendered":"PlantUML\u306e\u6700\u826f\u306e\u4ee3\u66ff\u54c1\u3068\u306f\u4f55\u304b\uff1f\uff08\u958b\u767a\u8005\u304c\u5207\u308a\u66ff\u3048\u308b\u7406\u7531\uff09"},"content":{"rendered":"<p>A <strong>\u7121\u6599\u306ePlantUML\u30a8\u30c7\u30a3\u30bf<\/strong>\u306f\u9577\u5e74\u3001\u30c6\u30ad\u30b9\u30c8\u3092\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u56f3\u306b\u5909\u63db\u3059\u308b\u958b\u767a\u8005\u306e\u30c7\u30d5\u30a9\u30eb\u30c8\u9078\u629e\u3067\u3057\u305f\u304c\u3001\u30ed\u30fc\u30ab\u30ebJava\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u8ca0\u8377\u3001\u69cb\u6587\u306e\u8106\u3055\u3001\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u306e\u30dc\u30c8\u30eb\u30cd\u30c3\u30af\u304c\u983b\u7e41\u306b\u30c1\u30fc\u30e0\u306e\u901f\u5ea6\u3092\u843d\u3068\u3057\u307e\u3059\u3002\u9069\u5207\u306a<strong>\u56f3\u3092\u30b3\u30fc\u30c9\u3068\u3057\u3066\u8a18\u8ff0\u3059\u308b\u30a8\u30c7\u30a3\u30bf<\/strong>\u3092\u691c\u8a0e\u3059\u308b\u306b\u306f\u3001\u30ec\u30ac\u30b7\u30fc\u306a<code>.puml<\/code>\u30b9\u30af\u30ea\u30d7\u30c8\u306e\u5f8c\u65b9\u4e92\u63db\u6027\u3068\u3001\u5373\u6642\u30af\u30e9\u30a6\u30c9\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3001\u30de\u30eb\u30c1-DSL\u30b5\u30dd\u30fc\u30c8\u3001AI\u652f\u63f4\u30c7\u30d0\u30c3\u30b0\u3068\u3044\u3063\u305f\u73fe\u4ee3\u7684\u306a\u6a5f\u80fd\u306e\u30d0\u30e9\u30f3\u30b9\u3092\u53d6\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<p><img fetchpriority=\"high\" alt=\"Hero graphic titled Best PlantUML Alternatives showcasing modern diagram as code editors with zero setup, multi-DSL support, and AI-powered syntax repair features.\" class=\"alignnone size-full wp-image-1782\" decoding=\"async\" fetchpriority=\"high\" height=\"816\" sizes=\"(max-width: 1312px) 100vw, 1312px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/best-plantuml-alternatives-hero-banner.jpg\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/best-plantuml-alternatives-hero-banner.jpg 1312w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/best-plantuml-alternatives-hero-banner-300x187.jpg 300w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/best-plantuml-alternatives-hero-banner-1024x637.jpg 1024w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/best-plantuml-alternatives-hero-banner-768x478.jpg 768w\" width=\"1312\"\/><\/p>\n<h2>1. PlantUML\u306e\u4ee3\u66ff\u54c1\u3092\u63a2\u3059\u7406\u7531\u306f\u4f55\u304b\uff1f\uff08\u96a0\u308c\u305f\u8ab2\u984c\uff09<\/h2>\n<p>PlantUML\u306f\u30c6\u30ad\u30b9\u30c8\u30d9\u30fc\u30b9\u306e\u30e2\u30c7\u30ea\u30f3\u30b0\u3092\u5148\u5c0e\u3057\u307e\u3057\u305f\u304c\u3001\u73fe\u4ee3\u306e\u958b\u767a\u30ef\u30fc\u30af\u30d5\u30ed\u30fc\u306f\u305d\u306e\u30b3\u30a2\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u306b\u6839\u672c\u7684\u306a\u6469\u64e6\u70b9\u3092\u9732\u5448\u3055\u305b\u307e\u3057\u305f\u3002<\/p>\n<h3>1.1 Java\u4f9d\u5b58\u95a2\u4fc2\u3068\u30ed\u30fc\u30ab\u30eb\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u306e\u8ca0\u8377<\/h3>\n<p>PlantUML\u306fGraphviz\u3068Java\u30e9\u30f3\u30bf\u30a4\u30e0\u74b0\u5883\uff08JRE\uff09\u306b\u4f9d\u5b58\u3057\u3066\u3044\u307e\u3059\u3002\u5206\u6563\u30c1\u30fc\u30e0\u9593\u3067\u30ed\u30fc\u30ab\u30eb\u74b0\u5883\u3092\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3059\u308b\u3068\u3001\u30d0\u30fc\u30b8\u30e7\u30f3\u306e\u4e0d\u4e00\u81f4\u3084\u30d1\u30b9\u30a8\u30e9\u30fc\u3001\u5358\u7d14\u306a\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u30d3\u30eb\u30c9\u3059\u3089\u3082\u8907\u96d1\u306aCI\/CD\u30d1\u30a4\u30d7\u30e9\u30a4\u30f3\u306e\u4f9d\u5b58\u95a2\u4fc2\u3092\u751f\u3058\u308b\u3053\u3068\u304c\u3042\u308a\u307e\u3059\u3002<\/p>\n<h3>1.2 \u69cb\u6587\u306e\u8106\u3055\u3068\u8a66\u884c\u932f\u8aa4\u306b\u3088\u308b\u30c7\u30d0\u30c3\u30b0<\/h3>\n<p>\u8907\u96d1\u306a\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3084ArchiMate\u56f3\u3067\u30011\u3064\u306e\u62ec\u5f27\u304c\u6b20\u3051\u305f\u308a\u3001\u30bf\u30a4\u30dd\u304c1\u3064\u3067\u3082\u3042\u308b\u3068\u3001PlantUML\u30ec\u30f3\u30c0\u30e9\u304c\u30af\u30e9\u30c3\u30b7\u30e5\u3059\u308b\u53ef\u80fd\u6027\u304c\u3042\u308a\u307e\u3059\u3002\u69cb\u6587\u30a8\u30e9\u30fc\u3092\u624b\u52d5\u3067\u30c7\u30d0\u30c3\u30b0\u3059\u308b\u306b\u306f\u3001\u30b3\u30fc\u30c9\u3068\u30d7\u30ec\u30d3\u30e5\u30fc\u306e\u9593\u3092\u983b\u7e41\u306b\u5207\u308a\u66ff\u3048\u306a\u3051\u308c\u3070\u306a\u3089\u305a\u3001\u5e38\u306b\u30b3\u30f3\u30c6\u30ad\u30b9\u30c8\u30b9\u30a4\u30c3\u30c1\u306e\u75b2\u52b4\u304c\u751f\u3058\u307e\u3059\u3002<\/p>\n<h3>1.3 \u30b3\u30e9\u30dc\u30ec\u30fc\u30b7\u30e7\u30f3\u3068\u5171\u6709\u306e\u30dc\u30c8\u30eb\u30cd\u30c3\u30af<\/h3>\n<p>\u30cd\u30a4\u30c6\u30a3\u30d6\u306aPlantUML\u30d5\u30a1\u30a4\u30eb\u3092\u5171\u6709\u3059\u308b\u306b\u306f\u3001\u901a\u5e38\u3001\u30ab\u30b9\u30bf\u30e0\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30b5\u30fc\u30d0\u30fc\u306e\u30bb\u30c3\u30c8\u30a2\u30c3\u30d7\u3001\u30d6\u30e9\u30a6\u30b6\u30d7\u30e9\u30b0\u30a4\u30f3\u3001\u307e\u305f\u306f\u624b\u52d5\u3067\u9759\u7684PNG\/SVG\u30d5\u30a1\u30a4\u30eb\u306b\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3059\u308b\u5fc5\u8981\u304c\u3042\u308a\u307e\u3059\u3002\u3053\u306e\u65ad\u7d76\u306f\u3001\u6025\u901f\u306a\u30a8\u30f3\u30b8\u30cb\u30a2\u30ea\u30f3\u30b0\u30b9\u30d7\u30ea\u30f3\u30c8\u4e2d\u306b\u30e9\u30a4\u30d6\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8\u306e\u66f4\u65b0\u3092\u59a8\u3052\u307e\u3059\u3002<\/p>\n<h2>2. \u4e3b\u306aPlantUML\u4ee3\u66ff\u54c1\u306e\u6bd4\u8f03\uff1a\u4e00\u89a7\u3067<\/h2>\n<p>\u4ee5\u4e0b\u306e\u30de\u30c8\u30ea\u30af\u30b9\u306f\u3001\u5148\u9032\u7684\u306a<strong>\u56f3\u3092\u30b3\u30fc\u30c9\u3068\u3057\u3066\u8a18\u8ff0\u3059\u308b\u30a8\u30c7\u30a3\u30bf<\/strong>\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0\u3092\u3001DSL\u306e\u67d4\u8edf\u6027\u3001AI\u30b5\u30dd\u30fc\u30c8\u3001\u5c0e\u5165\u306e\u5bb9\u6613\u3055\u306b\u57fa\u3065\u3044\u3066\u6bd4\u8f03\u3057\u3066\u3044\u307e\u3059\u3002<\/p>\n<table border=\"1\" cellpadding=\"8\" cellspacing=\"0\" style=\"width: 100%; border-collapse: collapse;\">\n<thead>\n<tr style=\"background-color: #f2f2f2;\">\n<th>\u30c4\u30fc\u30eb\uff0f\u30d7\u30e9\u30c3\u30c8\u30d5\u30a9\u30fc\u30e0<\/th>\n<th>\u4e3b\u306a\u7126\u70b9<\/th>\n<th>\u30de\u30eb\u30c1-DSL\u30b5\u30dd\u30fc\u30c8<\/th>\n<th>AI\u652f\u63f4\u306b\u3088\u308b\u4fee\u5fa9<\/th>\n<th>\u7121\u6599\u30c8\u30e9\u30a4\u30a2\u30eb<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td><strong>Visual Paradigm VPasCode<\/strong><\/td>\n<td>\u56f3\u3092\u30b3\u30fc\u30c9\u3068\u3057\u3066\u8a18\u8ff0\u3068\u30de\u30eb\u30c1-DSL\u306e\u7d71\u5408<\/td>\n<td>\u306f\u3044\uff08PlantUML\u3001Mermaid\u3001D2\u3001Data\uff09<\/td>\n<td>\u306f\u3044\uff08AI\u69cb\u6587\u4fee\u6b63\u304a\u3088\u3073\u7ffb\u8a33\uff09<\/td>\n<td>\u306f\u3044\uff08\u30d6\u30e9\u30a6\u30b6\u30d9\u30fc\u30b9\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>Mermaid.js<\/strong><\/td>\n<td>\u30cd\u30a4\u30c6\u30a3\u30d6\u306aMarkdown\u304a\u3088\u3073Git\u30c9\u30ad\u30e5\u30e1\u30f3\u30c8<\/td>\n<td>\u9650\u5b9a\u7684<\/td>\n<td>\u3044\u3044\u3048<\/td>\n<td>\u306f\u3044\uff08\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>D2\u30b9\u30af\u30ea\u30d7\u30c8<\/strong><\/td>\n<td>\u73fe\u4ee3\u7684\u306a\u5ba3\u8a00\u578b\u306e\u30d3\u30b8\u30e5\u30a2\u30eb\u30ec\u30a4\u30a2\u30a6\u30c8<\/td>\n<td>\u3044\u3044\u3048<\/td>\n<td>\u3044\u3044\u3048<\/td>\n<td>\u306f\u3044\uff08\u30aa\u30fc\u30d7\u30f3\u30bd\u30fc\u30b9\uff09<\/td>\n<\/tr>\n<tr>\n<td><strong>Structurizr<\/strong><\/td>\n<td>C4\u30e2\u30c7\u30eb\u30bd\u30d5\u30c8\u30a6\u30a7\u30a2\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3<\/td>\n<td>\u3044\u3044\u3048<\/td>\n<td>\u3044\u3044\u3048<\/td>\n<td>\u9650\u5b9a\u7684\u306a\u7121\u6599\u30c8\u30e9\u30a4\u30a2\u30eb<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h2>3. 2026\u5e74\u306ePlantUML\u306e4\u3064\u306e\u6700\u826f\u306e\u4ee3\u66ff\u624b\u6bb5<\/h2>\n<h3>3.1 Visual Paradigm VPasCode\uff1a\u30ef\u30f3\u30b9\u30c8\u30c3\u30d7\u306e\u56f3\u3068\u3057\u3066\u306e\u30b3\u30fc\u30c9\u30bd\u30ea\u30e5\u30fc\u30b7\u30e7\u30f3<\/h3>\n<p id=\"OPyBQDX\"><img alt=\"A screenshot of Visual Paradigm VPasCode showing the editing of a use case diagram in its PlantUML diagram as code editor.\" class=\"alignnone wp-image-1790 size-full\" decoding=\"async\" height=\"745\" sizes=\"(max-width: 1192px) 100vw, 1192px\" src=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a71bae8a0f05.png\" srcset=\"https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a71bae8a0f05.png 1192w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a71bae8a0f05-300x188.png 300w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a71bae8a0f05-1024x640.png 1024w, https:\/\/www.vpascode.com\/wp-content\/uploads\/2026\/08\/img_6a71bae8a0f05-768x480.png 768w\" width=\"1192\"\/><\/p>\n<p><a href=\"https:\/\/www.vpascode.com\/overview\/\"><strong>Visual Paradigm VPasCode<\/strong><\/a>\u306f\u7d71\u5408\u3055\u308c\u305f\u3001\u30d6\u30e9\u30a6\u30b6\u30d9\u30fc\u30b9\u306e<strong>\u7121\u6599\u306ePlantUML\u30a8\u30c7\u30a3\u30bf<\/strong>\u304a\u3088\u3073\u30de\u30eb\u30c1-DSL\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u30a8\u30f3\u30b8\u30f3\u3067\u3059\u3002\u65e2\u5b58\u306ePlantUML\u30b9\u30af\u30ea\u30d7\u30c8\u3068\u306e100\uff05\u306e\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u4e92\u63db\u6027\u3092\u7dad\u6301\u3057\u306a\u304c\u3089\u3001\u30ed\u30fc\u30ab\u30eb\u306eJava\u30a4\u30f3\u30b9\u30c8\u30fc\u30eb\u3092\u5b8c\u5168\u306b\u6392\u9664\u3057\u307e\u3059\u3002<\/p>\n<ul>\n<li><strong>\u81ea\u52d5\u30d5\u30a9\u30fc\u30de\u30c3\u30c8\u691c\u51fa\uff1a<\/strong>\u751f\u306ePlantUML\u3001Mermaid\u3001D2\u3001\u307e\u305f\u306f\u69cb\u9020\u5316\u30c7\u30fc\u30bf\uff08JSON\u3001YAML\u3001SQL\uff09\u3092\u30e9\u30a4\u30d6\u30a8\u30c7\u30a3\u30bf\u306b\u8cbc\u308a\u4ed8\u3051\u308b\uff1bVPasCode\u306f\u81ea\u52d5\u7684\u306b\u8a00\u8a9e\u3092\u691c\u51fa\u3057\u3001\u5373\u5ea7\u306b\u30ec\u30f3\u30c0\u30ea\u30f3\u30b0\u3057\u307e\u3059\u3002<\/li>\n<li><strong>AI\u306b\u3088\u308b\u30b3\u30fc\u30c9\u30a8\u30e9\u30fc\u4fee\u6b63\u3068\u4e26\u5217\u6bd4\u8f03\uff1a<\/strong>\u69cb\u6587\u304c\u58ca\u308c\u305f\u5834\u5408\u3001\u30af\u30ea\u30c3\u30af\u3057\u3066<em>\u300cAI\u3067\u4fee\u6b63\u300d<\/em>\u7834\u640d\u3057\u305f\u30b3\u30fc\u30c9\u3092\u81ea\u52d5\u7684\u306b\u4fee\u5fa9\u3057\u3001\u69cb\u6587\u4fee\u6b63\u306e\u7406\u7531\u3092\u660e\u78ba\u306b\u793a\u3059\u5dee\u5206\u3092\u78ba\u8a8d\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u30cd\u30a4\u30c6\u30a3\u30d6\u306aAI\u8a00\u8a9e\u7ffb\u8a33\uff1a<\/strong>\u30ad\u30e3\u30f3\u30d0\u30b9\u5185\u3067\u30ef\u30f3\u30af\u30ea\u30c3\u30af\u3067\u3001\u56fd\u969b\u5316\u3055\u308c\u305f\u30a2\u30fc\u30ad\u30c6\u30af\u30c1\u30e3\u56f3\u306e\u30e9\u30d9\u30eb\u3092\u7ffb\u8a33\u3067\u304d\u307e\u3059\u3002<\/li>\n<li><strong>\u5373\u6642\u5171\u6709\u3068\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\uff1a<\/strong>\u5171\u6709\u53ef\u80fd\u306aWeb URL\u3001QR\u30b3\u30fc\u30c9\u3001\u307e\u305f\u306f\u6280\u8853\u6587\u66f8\u7528\u306b\u30b9\u30b1\u30fc\u30e9\u30d6\u30eb\u306aSVG\u304a\u3088\u3073\u9ad8\u89e3\u50cf\u5ea6PNG\u30a2\u30bb\u30c3\u30c8\u3092\u30a8\u30af\u30b9\u30dd\u30fc\u30c8\u3057\u307e\u3059\u3002<\/li>\n<\/ul>\n<h3>3.2 Mermaid.js\uff1a\u30cd\u30a4\u30c6\u30a3\u30d6\u306aMarkdown\u7d71\u5408\u306b\u6700\u9069<\/h3>\n<p>Mermaid.js\u306fGitHub\u3001GitLab\u3001Notion\u306b\u5e83\u304f\u7d71\u5408\u3055\u308c\u3066\u3044\u307e\u3059\u3002\u6a19\u6e96\u306eMarkdown\u30d5\u30a1\u30a4\u30eb\u5185\u306b\u76f4\u63a5\u57fa\u672c\u7684\u306a\u30d5\u30ed\u30fc\u30c1\u30e3\u30fc\u30c8\u3084\u30b7\u30fc\u30b1\u30f3\u30b9\u56f3\u3092\u8a18\u8ff0\u3059\u308b\u306e\u306b\u9069\u3057\u305f\u8efd\u91cf\u306a\u69cb\u6587\u3092\u63d0\u4f9b\u3057\u307e\u3059\u304c\u3001\u8907\u96d1\u306aPlantUML ArchiMate\u3084\u30ab\u30b9\u30bf\u30e0UML\u62e1\u5f35\u6a5f\u80fd\u306e\u30cd\u30a4\u30c6\u30a3\u30d6\u30b5\u30dd\u30fc\u30c8\u306f\u5099\u3048\u3066\u3044\u307e\u305b\u3093\u3002<\/p>\n<h3>3.3 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