Zeal - Documentation Browser

7 Best Free and Open Source API Documentation Browsers

Software developers need all the help possible. One useful tool is a documentation browser. In fact, they can sometimes be a life changer.

What makes a good API documentation browser? Things like a huge range of docsets at your fingertips, offline browsing support for HiDPI displays, in-page search tool, good font selection, and smooth scrolling. And extras like fuzzy search functionality help make the process even slicker. The cream of the software makes reading and searching reference documentation fast, easy and enjoyable.

Here’s our verdict captured in one of our legendary ratings chart. We only recommend free and open source software.

Best Free and Open Source API Documentation Browsers

We really admire Zeal with its amazing range of 205 different docsets. There’s even docsets for non-developers too. We also give a strong recommendation to DevDocs. This software is neither a programming guide nor a search engine. All the content is pulled from third-party sources. Its backbone is metadata; each piece of content is identified by a unique, “obvious” and short string. Tutorials, guides and other content that don’t meet this requirement are outside the scope of the project.

Let’s explore the API documentation browsers at hand. For each application we have compiled its own portal page, a full description with an in-depth analysis of its features, together with links to relevant resources.

API Documentation Browsers
ZealSimple offline documentation browser
DevDocsAPI documentation browser written in Ruby and JavaScript
DevhelpDeveloper tool for browsing and searching API documentation
dashtSearch API docs offline in your terminal or browser
Qt AssistantTool for viewing on-line documentation in Qt help file format
Doc BrowserAPI documentation browser with support for DevDocs, Dash and Hoogle
quickDocsDeveloper docs reader

Read our complete collection of recommended free and open source software. The collection covers all categories of software.

The software collection forms part of our series of informative articles for Linux enthusiasts. There's tons of in-depth reviews, alternatives to Google, fun things to try, hardware, free programming books and tutorials, and much more.
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