regex101 : Free PCRE-based regular expression debugger with real time explanation, error detection and highlighting.
Puredyne : Puredyne is the USB-bootable GNU/Linux operating system for creative multimedia.
VSTPLANET : VST Plugins Free - Virtual instruments and effects
Untools : Collection of thinking tools and frameworks to help you solve problems, make decisions and understand systems.
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...
