Software

Nettle
Computers, Systems, RISC OS, Software - Nettle. Sophisticated terminal emulator and telnet client undergoing extensive development.
https://nettle.sourceforge.net/
compton.demon.co.uk
Computers, Systems, RISC OS, Software - compton.demon.co.uk. FreeNet, HTMLcheck, and some Perl stuff written by Tom Hughes.
https://www.compton.nu/
Icebird Acorn Demos
Computers, Systems, RISC OS, Software - Icebird Acorn Demos. Demo Scene News, Archive, and Icebird headquarters.
http://www.icebird.org/
Computer Concepts home page
Computers, Systems, RISC OS, Software - Computer Concepts. Range of products exclusively for use on 32-bit Acorn RISC OS computers, including Artworks, Impression Style and Impression Publisher.
http://www.cconcepts.co.uk/
Zap - a programmers' editor
Computers, Systems, RISC OS, Software - Zap. A configurable and extensible programmer's editor.
http://zap.tartarus.org/
GCC Software Development Kit
Computers, Systems, RISC OS, Software - GCC Software Development Kit. Open source C, C++, and Fortran compiler and supporting libraries.
http://gccsdk.riscos.info/
The OSLib GPL Release
Computers, Systems, RISC OS, Software - OSLib. Interface library to the RISC OS API.
https://ro-oslib.sourceforge.net/
DoggySoft Software
Computers, Systems, RISC OS, Software - DoggySoft Software. A range of public domain programming utilities, including WimpSWIVe, a programmer's support module that provides a full dynamic pre-trapping and post-trapping vector chain for Wimp SWIs.
http://doggysoft.co.uk/
AcornCD
Computers, Systems, RISC OS, Software - AcornCD. A CDDB server for RISC OS.
https://acorncd.sourceforge.net/
C Programming Information
Computers, Systems, RISC OS, Software - C Programming Information. Guide to C programming on RISC OS.
http://www.riscos.info/