If you're looking for another Theneo alternative, ReAPI is worth a look. It's got AI-powered tools for designing, testing and documenting APIs, including a visual API designer based on the OpenAPI standard. ReAPI's documentation generation system can be automated and can use ChatGPT to generate documentation that's both visually appealing and accurate. It's got collaboration features and a serverless cloud runner that can generate detailed test reports, too, so you can be confident your API is well designed.
Another good option is Document360. It's an AI-powered tool to create, manage and share knowledge bases for customers and teams. It's got features like advanced editing, powerful search, rich analytics and automated generation of API documentation. Document360 integrates with more than 120 tools, and it's got 24/7 migration assistance, so it's a good option for technical writers, product owners and customer support teams.
If you want an interactive documentation site, Alphadoc has a visual editor and interactive diagrams that can help keep programmers engaged. It's also got AI-powered search and the ability to use your own domain. It's got flexible collaboration and CI/CD integration, too. Alphadoc is designed to help you improve the developer experience with custom invoicing and support, so it's good for teams that want to improve their documentation.
Last, Docuo is a good option if you want a quick way to generate modern documentation sites. It integrates with GitHub repositories and lets you customize logos and brand colors. Docuo also has built-in analytics and SEO metadata, so it's easy to manage documentation workflows and automate site generation. It's good for developers and companies that want to make documentation easier and reduce the maintenance work.