regex101 : Free PCRE-based regular expression debugger with real time explanation, error detection and highlighting.
PrePostPrint : PrePostPrint highlights experimental publications made with free software.
enable cross-origin resource sharing : Cross-Origin Resource Sharing (CORS) is a specification that enables truly open access across domain-boundaries. If you serve public content, please c...
Mobile Web Application Best Practices : The goal of this document is to aid the development of rich and dynamic mobile Web applications. It collects the most relevant engineering practices, ...
PsySH : A runtime developer console, interactive debugger and REPL for PHP. PsySH can be used as an interactive debugger, much like JavaScript's debugger sta...
