regex101 : Free PCRE-based regular expression debugger with real time explanation, error detection and highlighting.
Semantic Versioning : I call this system "Semantic Versioning." Under this scheme, version numbers and the way they change convey meaning about the underlying code and what...
CWE/SANS Top 25 Most Dangerous Programming Errors : The CWE/SANS Top 25 Most Dangerous Software Errors is a list of the most widespread and critical errors that can lead to serious vulnerabilities in so...
TraceKit : Not all browsers support stack traces on error objects, but TraceKit squeezes out as much useful information as possible and normalizes it.
Run your own identity server : Running your own identity server allows you to act as an OpenID Provider. You could run one just for yourself, for a community of users or, if you wis...