Corecon
Procore
BuilderTREND
Spectrum
CoConstruct
Autodesk BIM 360
PlanSwift
Methvin
yEd
draw.io
LucidChart
OmniGraffle
PlantUML
Dia
UMLGraph
Gliffy
Corecon
yEdProcore - Procore is the world's most widely used construction project management software. Easy to use, mobile platform with unlimited user licenses.
draw.io - Online diagramming application
BuilderTREND - Buildertrend is the #1 construction management software and construction app for home builders, remodelers, specialty contractors and commercial construction.
LucidChart - LucidChart is the missing link in online productivity suites. LucidChart allows users to create, collaborate on, and publish attractive flowcharts and other diagrams from a web browser.
Spectrum - Browser-based app to visualize the frequencies of an audio file.
OmniGraffle - OmniGraffle is for creating precise graphics like website wireframes, an electrical system designs, or mapping out software class.