Click on the links below to download useful viewers, tools and resources.


Fast and capable .PDF file reader. The free version does many things you have to pay for from Adobe Acrobat. The full versions are a lot cheaper than the equivalent Adobe Acrobat.

Adobe Acrobate Reader

Standard PDF file reader. See also the free reader from Foxit.

jZip 1.3

A totally free alternative to WinZip for both creating and extracting compressed files in Zip format as well as TAR, GZip, RAR and ISO. Unlike some free software, there is no addware or spyware. Easier and more logical than WinZip.

Pentalogix ViewMate

Pentalogix ViewMate is  a high quality Gerber and Drill file viewer. Like GCPreview it comes in two versions. The free version is called ViewMate and is just a viewer (you can''t edit anything). ViewMasterEZ is a more capable v


GCPreview is a high quality Gerber and Drill file viewer that comes in two versions. The free version is a viewer (you can''t edit anything). GCPreviewPlus includes comprehensive editing and other functions - although you still

Compare Directories and Files

A simple but powerful utility to compare the contents of files, directories and entire directory hierarchies. Useful when time and date stamps get changed by file compression, file copy and web site synchronisation programs. Works with both text

Free PCB

A good PCB layout tool which is genuinely free. Support is excellent via the User Forum - the designer of the software frequently responds himself. Very highly. No auto router.


TinyCAD is a program to help you draw circuit diagrams. It comes complete with symbol libraries to get you started straight away. As well as being able to simply print your designs, you can use TinyCAD to publish your drawings by copying and past