erlyaws/yaws
Yaws is a high-performance, scalable web server for the Erlang/OTP platform, designed to serve dynamic and static content via the HTTP protocol. It provides a comprehensive ecosystem including built-in applications for chat, email, and wikis, alongside a modular handler system for deploying independent web applications. The system supports advanced web standards such as WebSockets, Server-Sent Events, SOAP, and WebDAV, while offering robust security features like SSL/TLS and PAM authentication. Additionally, it includes utilities for monitoring, testing, and cross-platform deployment.
44.8
Weak · 29 July 2026
40k
lines of production code
Erlang
primary language
2
bus factor · 110 authors in all
3
measurements over time
How it got here
2002 · Initial release and feature expansion
This period marks the initial commit and early development of the Yaws web server, establishing the core build system and configuration infrastructure. Significant features were added, including support for SOAP, WebDAV, and WebSockets, alongside security fixes and documentation updates. The release also introduced a wiki application and C-based authentication drivers, expanding the server's capabilities and integration options.
14 changes
2003–2009 · platform expansion and application examples
This period focused on broadening Yaws' reach by adding native startup scripts for macOS, FreeBSD, and NetBSD, alongside a Windows installer. It also introduced a suite of example applications, including a webmail client, chat room, and shopping cart, while enhancing SSL certificate management and server monitoring capabilities.
13 changes
2010–2024 · Platform and ecosystem expansion
This period focused on broadening Yaws' deployment and development infrastructure, adding init scripts and packaging for major Linux distributions and OpenBSD. It also expanded the project's capabilities through new contrib modules for session storage, debugging, and benchmarking, alongside modernizing the build system and test suite.
9 changes
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About this page
- The description of this project is derived from its own commit history, not from its README.
- The score is its highest published measurement, taken on 29 July 2026 at a pinned commit. It is not a live figure and does not change until the project is measured again.
- Measured at commit f81d2fc03b — the exact code this score is about.
- Scored under rubric rubric-2026.08.18. Score the same commit under that rubric and you get the same number.