RAML might be a bit more popular than GitBook. We know about 2 links to it since March 2021 and only 2 links to GitBook. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
You can have both a landing page (e.g.: www.your-project.dev) and a documentation website (e.g.: docs.your-project.dev). For creating documentation website GitBook is better fit than Gitlanding. GitBook is free for open source Projects (you just need to issue a request). - Source: dev.to / about 2 years ago
GitBook is a collaborative documentation tool that allows anyone to document anything—such as products and APIs—and share knowledge through a user-friendly online platform. According to GitBook, “GitBook is a flexible platform for all kinds of content and collaboration.” It provides a single unified workspace for different users to create, manage and share content without using multiple tools. For example:. - Source: dev.to / about 3 years ago
This happened when I was working for one of my previous employers. I had just joined the company and was working on a microservice that was consuming a REST api exposed by another microservice. There was this JIRA ticket I was working on and I was not sure about the data model exposed by this REST api call. At this point in time the adoption to OpenAPI / Swagger / RAML was just beginning. I was new and was... - Source: dev.to / over 2 years ago
Provide consistent and easy-to-use documentation. Provide an OpenAPI or RAML file that describes your API and the endpoints. Also, provide easy-to-use interactive online API documentation like Swagger if possible. - Source: dev.to / almost 3 years ago
Docusaurus - Easy to maintain open source documentation websites
Postman - The Collaboration Platform for API Development
MkDocs - Project documentation with Markdown.
Apiary - Collaborative design, instant API mock, generated documentation, integrated code samples, debugging and automated testing
Doxygen - Generate documentation from source code
Apigee - Intelligent and complete API platform