*Lisp.QL4th Dimension (software)A+ (programming language)A-normal formABAPABC (programming language)ABC ALGOLABSETACC (programming language)ACL2ADMBAIMACOAIMMSALCORALFA (XACML)ALGOALGOLALGOL 58ALGOL 60ALGOL 68ALGOL 68SALGOL NALGOL WALGOL XALGOL YALTRANAMBITAMOS (programming language)AMPLANSI/ISO C Specification LanguageAPLXAPL (programming language)ARITH-MATICATOLL (programming language)ATS (programming language)AWKA Language for Process SpecificationA Manufacturing LanguageA Sharp (.NET)