Documentation Tools
Business case, user requirements, use cases and technical specifications. These are just a few of the kind of documents involved in the journey of creating a product. As there are multiple stakeholders involved in creating and maintaining these documents, the need for real time editing, version management and sharing has become even more critical. Our curated list of documentation tools check all the boxes.
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Confluence
Part of the Atlassian family of software, Confluence is a powerful wiki-style requirement capturing tool with an emphasis on collaboration. It integrates well with all other Atlassian tools to streamline the end-to-end software development process

Google Docs
Part of Google Workspace, Google Docs is a powerful document editor with an emphasis on real-time collaboration.