The One True Dynamic Linker  
   Aims to specify the requirements for a dynamic linker, with shared library support, then to become accepted as a standard.
   http://www.excessus.demon.co.uk/otdl/

RiscXLib  
   Set of libraries that allow X client programs to be compiled and run with little or no changes to the source code.
   http://www.brighteyes.u-net.com/RiscXLib/RiscXLib.html

Ada  
   Class library for this third-generation programming language.
   http://www.huber-net.de/adalin_e.htm

ROVLib  
   Extensive C library by Jason Tribbeck.
   http://rovlib.sourceforge.net/

ExtrasLib  
   Minor C library of extra code for users of DeskLib.
   http://utter.chaos.org.uk/~pdh/software/extras.htm

Popcorn  
   Library of routines written mostly in C to assist writers of 2D video games.
   http://www.soup-kitchen.net/software/popcorn.html

MalCheck  
   Helps track down program errors involving dynamically allocated memory blocks.
   http://www.xs4all.nl/~erikgrnh/riscos/malcheck.html

Kappa - BASIL  
   Allows the use of the same BASIC code for many programs without having to load new copies each time, by loading libraries into the relocatable module area. Freeware program, available for download along with manual.
   http://www.users.zetnet.co.uk/kappa/basil.htm

32-bit Porting Support  
   32BitLib is a macro library for BASIC assembler. Armc is a perl script to semi-automate conversion.
   http://www.mw-software.com/software/32bitlib/32bitlib.html

Mesa  
   Port of the Mesa 3D Graphics Library and a site of resources.
   http://www-solar.mcs.st-and.ac.uk/~davidb/Mesa/

Python Resources  
   A variety of scripts and libraries for the Python language.
   http://www.boddie.org.uk/david/Projects/index.html

IFCLib  
   Library for interfacing to the Select 3 'ImageFileConvert' module stack. This system allows images of one type to be converted to another through a single SWI interface.
   http://support.riscos.com/Support/Resources/Libraries/IFCLib/

StubsG  
   C-library neutral libraries including TCPIPLibs, RISC_OSLib, C library, flexlib, and Toolbox libraries, as well as the SharedCLibrary neutral StubsG. This allows applications and modules linked against it to be used with which ever version of the SharedCL
   http://support.riscos.com/Support/Resources/Libraries/StubsG/

OSLib  
   Interface library to the RISC OS API. Summary, FAQ, and downloads. [Open source]
   http://ro-oslib.sourceforge.net/

Unixlib  
   Information on Unixlib, the default C library for GCC for RISC OS.
   http://www.riscos.info/unixlib/

SDL  
   RISC OS port of the Simple DirectMedia Layer (SDL) graphics library. Downloads and source. [Open source]
   http://www.riscos.info/sdl/

DeskLib  
   C Wimp library for RISC OS. Changes, downloads, and CVS access.
   http://www.riscos.info/desklib/

Wimp2  
   An alternative multitasker which preemptively multitasks the application rather than cooperatively as the current RISC OS Wimp does. Downloads and brief overview.
   http://www.nedprod.com/programs/RISC-OS/Wimp2/

A 3D Engine  
   Freeware 3D engine for RISC OS. Direct link to ZIP file.
   http://www.pinknoise.demon.co.uk/3dEngine.zip

FDSound  
   Sound player module. Features, download, and forums.
   http://www.coderscauldron.com/fdsound

WOUM  
   C and assembler library with source for fixed point maths, 3D graphics, WIMP programming, fast sprite plotting, debugging, and profiling. Download and discussion forums.
   http://www.coderscauldron.com/woum/