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-# Waterfall model
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+# Waterfall Model
+
+Waterfall Model is a sequential model that divides software development into pre-defined phases. Each phase must be completed before the next phase can begin with no overlap between the phases. Each phase is designed for performing specific activity during the SDLC phase.
+
+<ResourceGroupTitle>Free Content</ResourceGroupTitle>
+<BadgeLink colorScheme='yellow' badgeText='Read' href='https://www.guru99.com/what-is-sdlc-or-waterfall-model.html'>What is Waterfall Model in SDLC? Advantages and Disadvantages</BadgeLink>
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