Chris Johnson's Software Versions

Started 25th January 2026

Over the years Chris Johnson, using the original source code, produced enhanced versions of a number of pieces of RISC OS software written by David Pilling. This page makes available the source code of Chris's improved versions. The archives also contain copies of the applications which are usable without any programming expertise.

The software is snapper (screen capture) (DP version, CJ version), sync discs (make contents of folders equal) (DP version, CJ version) and TaskLib (library needed to build the applications) (DP version also called XL).

Download

• Chris Johnson's TaskLib, RISC OS library with source code 26th November 2025
• Chris Johnson's Snapper, RISC OS application with source code 1.34 13th May 2022
• Chris Johnsons's Syncdiscs, RISC OS application with source code 1.30 9th January 2026

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