Browser + Android flowchart/diagram maker for workflows, support triage, and process maps. Free core tools; optional DiagramSmith Pro on the website (US$9.99/mo, $99.99/yr, $239.99 lifetime) separate from Play IAPs (Play public range $99.99–$239.99). Also on Microsoft Store. Official site https://diagramsmith.com/ · Play https://play.google.com/store/apps/details?id=com.skyseedtech.diagramsmith · Windows https://apps.microsoft.com/detail/9nvdn5psjmnj