
Moqups
7.6#4 in wireframing softwareFrom $11 a monthFree planWebAPIExtension
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Moqups suits individuals and teams creating wireframes, diagrams, and interactive prototypes. Its real-time collaboration and browser extensions may also suit teams that want shared editing and webpage-to-layout workflows.
Snapwire suits PMs, engineers, planners, and teams aligning on structure during meetings. It also fits users who want browser-based review and quick mobile edits.