versions for Atari ST were called "Atari Low Level Game Routines") AROS: AROS Research Operating System (originally Amiga Research Operating System) ATI: ATI Technologies Inc. BIRD: BIRD Internet Routing Daemon CAVE: CAVE Automatic Virtual Environment cURL: Curl URL Request Library Darcs: Darcs Advanced Revision Control System EINE: EINE Is Not Emacs FIJI: FIJI Is Just ImageJ GiNaC: GiNaC is Not a CAS (Computer Algebra System) GNU: GNU's Not Unix GPE: GPE Palmtop Environment gRPC: grpc Remote Procedure Calls HEEM: HEEM Everyone Even Myself LAME: LAME Ain't an MP3 Encoder LiVES: LiVES is a Video Editing System MINT: MINT Is Not TRAC MiNT: MiNT is Not TOS (later changed to "MiNT is Now TOS") Mung: Mung Until No Good Nano: Nano's Another editor Nagios: Nagios Ain't Gonna Insist On Sainthood (a reference to the previous name of Nagios, "Netsaint"; agios [αγιος] is the Greek word for "saint") NiL: NiL Isn't Liero Ninja-ide: Ninja-IDE Is Not Just Another IDE PHP: PHP: Hypertext Preprocessor (from "Personal Home Page Tools," more frequently referenced as "PHP Tools.") PINE: PINE Is Nearly Elm, originally; PINE now officially stands for "Pine Internet News and E-mail" PIP: PIP Installs Packages P.I.P.S.: P.I.P.S. Is POSIX on Symbian PNG: officially "Portable Network Graphics", but unofficially "PNG's not GIF". RPM: RPM Package Manager SPARQL: SPARQL Protocol And RDF Query Language TikZ: TikZ ist kein Zeichenprogramm (German; TikZ is not a drawing program) TiLP: TiLP is a Linking Program TIP: TIP isn't Pico TRESOR: TRESOR Runs Encryption Securely Outside RAM UIRA: UIRA Isn't a Recursive Acronym WINE: WINE Is Not an Emulator (Originally, Windows Emulator) XAMPP: XAMPP Apache MariaDB PHP Perl XINU: XINU Is Not Unix XNA: XNA's Not Acronymed YAML: YAML Ain't Markup Language (initially "Yet Another Markup Language") YARA: Yara: Another Recursive Acronym Zinf: Zinf Is Not FreeAmp ZWEI: ZWEI Was EINE Initially ("eins" and "zwei" are German for "one" and "two" respectively) Other examples Companies and organizations BWIA: BWIA West Indies Airways (formerly British West Indian Airways) Cygnus Solutions: "Cygnus, Your GNU Solutions" HIJOS: Hijos por la Identidad y la Justicia contra el Olvido y el Silencio HIM: HIM International Music, Taiwanese independent record label JACK: JACK Audio Connection Kit KGS: KGS Go Server MEGA: MEGA Encrypted Global Access MIATA: MIATA is Always the Answer MOM: MOM's Organic Market SAAB: Saab Automobile AB VISA: Visa International Service Association XBMC: XBMC Media Center (originally Xbox Media Center) ZINC: ZINC Is