Updated and expanded for 2025.
Look also in the mainframe tools index for tools written and tested specifically on mainframes.
ARexx (Amiga scripts and tools)Audio / SpeechBNF4OOo (BNF parser)BSF4ooRexx (ooRexx to Java bridge)BSF4Rexx (Rexx to Java bridge)CRC (Cyclic Redundancy Check)CGI (Common Gateway Inteface)CSV files (manage spreadsheet files)CURL (data transfer protocols)Curses (terminal control)Data Access MethodsDebugger (for ooRexx)DW GUIEEC (Encrypt / Encode / Compress)EclipseEditorsFileUt (I/O enhancements)GCI (Generic Call Interface)gd (graphic images manipulation)Graphical User Interfaces (GUIs)Grim's Tools (Steven Grim)Hack EditorHercules (Mainframe emulator)HHNS WorkBenchIDE's (Integrated Development Environments)Idenburg's Tools (Ruurd Idenburg)Image ManipulationIntelliJ IDE (Rexx Plugin)InterpretersIRC (Internet Relay Chat)Java InterfacesJava2D (create Java2D graphics and animations)jEdit EditorJSON interfaceLSP (Language Server Protocol (generic editor interface))Mainframe-specific ToolsManmrk CodeMath LibrariesMiscellaneous Tools & ScriptsMod_Rexx for ApacheMySQL (MySQL database interface)NetRexx ToolsODBC (data access method)ooDialog (GUI)ooRexx Debugger (for ooRexx)ooRexx RepositoriesooSQLite (data access method)oorexx-buildutils (ooRexx build-utilities package for Windows)oorexxunit (ooTest framework)OORexDoc (analyzes & documents Rexx/ooRexx programs)orxutilsOS/2 -- eCS -- ArcaOS ToolsPachl's Windows Tools (by Walter Pachl)Pashua (binding for Mac OS X GUI)PDF filesPHP (use native Rexx commands inside PHP programs)Regina Rexx Tools (for Rexx and ooRexx)PythonRegular ExpressionsRegUtil, RexxUtil (System-related functions originally native in OS/2)Repositories of ToolsREXX RepositoriesREXX Speech (speech synthesis)Rexx/CSV (spreadsheet files)Rexx/EEC (encryption etc)Rexx/JSON interfaceRexx/PDFRexx/SQLrexx2nrx REXXIO for Windows and OS/2RexxLA RepositoriesRexxRE (regular expressions)RexxScript (via javax.script package)REXXTAGS (a Rexx server pages compiler)REXXTRY (interactively run Rexx statements online)RxComm (serial port access)RxIni (read INI files in OS/2)RxMIDI and RxMidiIo (the MIDI musical interface)RxSock (sockets)RxTwain (gets images from cameras etc)RxWav (manage audio files)RxZip and RxUnzip (manipulate ZIP files)SOAP (interface to Simple Object Access Protocol)Sockets (tcp/ip communications)Sorting ProgramsSPF EditorSQL (database access)TelecommunicationsTHE EditorTK (graphics)Trans (translates Rexx API calls across interpreters)Van der Woude's Tools (by Rob Van der Woude)WMIGen (WMI code generator)Wrapper (wraps Rexx source or tokens into an executable)W32funcs (Windows Registry functions)
X2 EditorXML ParserYARN/2
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