Dr. Hell's WinMM PAD driver is a PSEmu Pro type PAD plugin library which works without DirectInput!
Harakiri PAD v1.04
A new PAD plugin, but already coming with lots of options and possibilities. Some may be confusing for beginners, but advanced users will certainly like this one.
N-Rage's PAD plugin v0.95
A new PAD plugin made by N-Rage, who previously made a controller plugin for the N64 as well. Still some bugs here and there, but overall pretty good already.
padGnneco v0.06
This is a PAD plugin based on the padXwin plugin by linuzappz. It allows you to use your NegCon controller with your favorite PSX emulator.
Segu DPadPro plugin DX6 v0.4
Segu's DPadPro plugin. If you actually have no idea what DirectPadPro is all about, pay a visit to their homepage some time!
Segu's Joy plugin DX7 v0.3
Segu's joystick plugin. Available for both DirectX6 and DirectX7 users. The DX7 version seems to be more advanced, however.
Segu's Key plugin DX7 v0.3
Segu's keyboard plugin. Basic, yet efficient. As with most of Segu's plugins, there's both a DX6 and a DX7 version available (and again, DX7 users seem to be better off).
TSG GamePad Plugin v0.9
Pad plugin for PSEmu Pro based emus. Easy to use and works - what else do you want ? ;)
Zane's Mouse Pad plugin v1.28
This is a PS/PS2 pad plugin developed by Zane. You can use mouse/keyboard to control PS/PS2 games with it. DirectInput is used so if you want to use it, make sure your system has Direct8.0 or above installed.
Di Key v1.0
A Plugin to emulate the PSX controller, without it you can't control anything! Very basic plugin, but it does it's job.