💻 Technology & Coding

Software Design Document (SDD) Template for Comprehensive Project Planning

A structured SDD template featuring project overview, architecture, data flows, tech stack, APIs, security, and future improvements.

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software designSDD templatesystem architecturetechnology stacksecurity

Why Use This Template?

This SDD template streamlines documenting software design with clear sections, saving time and ensuring thorough planning and communication.

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Designed for software architects, developers, and project managers needing structured documentation for complex software projects.

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Adapt sections to fit project scope by adding or removing diagrams, detailing APIs, or expanding security and future improvements as needed.

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  {"type":"doc","content":[{"type":"heading","attrs":{"level":1,"textAlign":"left"},"content":[{"text":"Software Design Document (SDD)","type":"text"}]},{"type":"paragraph","attrs":{"textAlign":"left"},"content":[{"text":"Project Title: ","type":"text"},{"text":"[Enter project name here]","type":"text","marks":[{"type":"italic"}]}]},{"type":"paragraph","attrs":{"textAlign":"left"},"content":[{"text":"Document Version: ","type":"text"},{"text":"[Enter version number]","type":"text","marks":[{"type":"italic"}]},{"text":" | Date: ","type":"text"},{"text":"[Enter date]","type":"text","marks":[{"type":"italic"}]}]},{"type":"horizontalRule"},{"type":"heading","attrs":{"level":2,"textAlign":"left"},"content":[{"text":"1. Project Overview","type":"text"}]},{"type":"paragraph","attrs":{"textAlign":"left"},"content":[{"text":"Provide a brief summary describing the purpose, goals, and scope of the project.","type":"text"}]},{"type":"paragraph","attrs":{"textAlign":"left"},"content":[{"text":"[Insert project overview here]","type":"text","marks":[{"type":"italic"}]}]},{"type":"horizontalRule"},{"type":"heading","attrs":{"level":2,"textAlign":"left"},"content":[{"text":"2. System Architecture","type":"text"}]},{"type":"paragraph","attrs":{"textAlign":"left"},"content":[{"text":"Describe the overall system architecture including major components and their interactions.","type":"text"}]},{"type":"paragraph","attrs":{"textAlign":"left"},"content":[{"text":"[Insert architecture description here]","type":"text","marks":[{"type":"italic"}]}]},{"type":"bulletList","content":[{"type":"listItem","content":[{"type":"paragraph","attrs":{"textAlign":"left"},"content":[{"text":"Key Components:","type":"text"}]}]},{"type":"listItem","content":[{"type":"paragraph","attrs":{"textAlign":"left"},"content":[{"text":"[List major system components here]","type":"text","marks":[{"type":"italic"}]}]}]}]},{"type":"horizontalRule"},{"type":"heading","attrs":{"level":2,"textAlign":"left"},"content":[{"text":"3. Data Flow Diagrams","type":"text"}]},{"type":"paragraph","attrs":{"textAlign":"left"},"content":[{"text":"Include or reference data flow diagrams illustrating data movement within the system.","type":"text"}]},{"type":"paragraph","attrs":{"textAlign":"left"},"content":[{"text":"[Attach diagrams or link to diagrams here]","type":"text","marks":[{"type":"italic"}]}]},{"type":"horizontalRule"},{"type":"heading","attrs":{"level":2,"textAlign":"left"},"content":[{"text":"4. Technology Stack","type":"text"}]},{"type":"paragraph","attrs":{"textAlign":"left"},"content":[{"text":"Detail the technologies, frameworks, and tools used in the project.","type":"text"}]},{"type":"bulletList","content":[{"type":"listItem","content":[{"type":"paragraph","attrs":{"textAlign":"left"},"content":[{"text":"Frontend: ","type":"text"},{"text":"[e.g., React, Angular]","type":"text","marks":[{"type":"italic"}]}]}]},{"type":"listItem","content":[{"type":"paragraph","attrs":{"textAlign":"left"},"content":[{"text":"Backend: ","type":"text"},{"text":"[e.g., Node.js, Django]","type":"text","marks":[{"type":"italic"}]}]}]},{"type":"listItem","content":[{"type":"paragraph","attrs":{"textAlign":"left"},"content":[{"text":"Database: ","type":"text"},{"text":"[e.g., MySQL, MongoDB]","type":"text","marks":[{"type":"italic"}]}]}]},{"type":"listItem","content":[{"type":"paragraph","attrs":{"textAlign":"left"},"content":[{"text":"Infrastructure: ","type":"text"},{"text":"[e.g., AWS, Docker]","type":"text","marks":[{"type":"italic"}]}]}]}]},{"type":"horizontalRule"},{"type":"heading","attrs":{"level":2,"textAlign":"left"},"content":[{"text":"5. APIs","type":"text"}]},{"type":"paragraph","attrs":{"textAlign":"left"},"content":[{"text":"Document external and internal APIs including endpoints, methods, and data formats.","type":"text"}]},{"type":"paragraph","attrs":{"textAlign":"left"},"content":[{"text":"[Describe APIs here or link to API documentation]","type":"text","marks":[{"type":"italic"}]}]},{"type":"horizontalRule"},{"type":"heading","attrs":{"level":2,"textAlign":"left"},"content":[{"text":"6. Security Considerations","type":"text"}]},{"type":"paragraph","attrs":{"textAlign":"left"},"content":[{"text":"Outline security measures, authentication, authorization, and data protection strategies.","type":"text"}]},{"type":"bulletList","content":[{"type":"listItem","content":[{"type":"paragraph","attrs":{"textAlign":"left"},"content":[{"text":"[List security policies and practices]","type":"text","marks":[{"type":"italic"}]}]}]}]},{"type":"horizontalRule"},{"type":"heading","attrs":{"level":2,"textAlign":"left"},"content":[{"text":"7. Known Limitations and Future Improvements","type":"text"}]},{"type":"paragraph","attrs":{"textAlign":"left"},"content":[{"text":"Summarize current system limitations and planned enhancements or technical debt to address.","type":"text"}]},{"type":"bulletList","content":[{"type":"listItem","content":[{"type":"paragraph","attrs":{"textAlign":"left"},"content":[{"text":"[List known limitations]","type":"text","marks":[{"type":"italic"}]}]}]},{"type":"listItem","content":[{"type":"paragraph","attrs":{"textAlign":"left"},"content":[{"text":"[List future improvements]","type":"text","marks":[{"type":"italic"}]}]}]}]}]}

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