Most popular and useful Gimp plugins are here to enrich your experience using Gimp. This would be a nice addition to Gimp workflow and Gimp tutorials. Gimp plugins will help to sharpen and restore focus of your photos, apply creative effects, fix color and contrast, delete unwanted objects and reduce noise, batch process images in Gimp and use Photoshop plugins in Gimp, optimize images for Web. If you’re having troubles to find proper Gimp plugin installers for your OS, search for it on Gimp plugin registry which is central repository of Gimp plugins. If you have a favorite Gimp plugin, please speak up in the comments.

Gimp FX Foundry
Gimp plugin which contains pack of more than hundred of Gimp scripts for different creative effects and image corrections: color, contrast and texture. Maximize local contrast is one these scripts.

Resynthesizer
This is content aware like Gimp plugin to remove objects from photo by synthesizing surrounding texture over the top of it. It also can help in enlarging an image while maintaining its sharpness.

GMIC ex GREYCstoration
The GMIC plug-in for GIMP includes a set of various filters such as artistic effects, image denoising and enhancement algorithms, 3D renderers and many others.

Wavelet denoise
The wavelet denoise Gimp plugin is a powerful and fast tool to reduce noise in each channel of an image separately. It works in YCbCr and LAB color space so you can remove noise without affecting the image details.

Separate+
Separate+ is the Gimp plugin which provides some useful color-management functions such as RGB to CMYK conversion and RGB profile management/conversion.

Save for Web
Save for Web helps to find compromise between minimal file size and acceptable quality of image quickly. It provides preview and options to set compression quality, number of colors, Exif information removal, etc.

UFRaw
UFRaw is a plug-in to read and manipulate raw images from digital cameras and to load them into the Gimp using DCRaw. It supports color management workflow allowing the user to apply ICC color profiles.

Liquid Rescale
This plugin aims at resizing pictures non uniformly while preserving their features, i.e. avoiding distortion of the important parts. For example, you may turn a normal picture to panoramic without stretching the content.

Wavelet sharpen
The GImp plugin to increase sharpness of your photos without artifacts, you can apply sharpness only to luminance channel and adjust radius and amount.

Wavelet decompose
This Gimp plugin allows you to edit image on different detail scale, for example, only choose to remove pimples but leave skin structure intact. It’s essential for retouching and noise reduction.

Exposure Blend
This Gimp plugin quickly blends 3 bracketed exposures into a detailed, realistic, extended contrast image. You can adjust masks and smoothing options.

Fix-CA
Fix-CA is a Gimp plug-in to correct chromatic aberration. Fix-CA is able to fix lateral and directional chromatic aberration caused by lens and colored fringing.

Gimp image registration
This is a plugin to automatically align several images in Gimp. It can be used for the alignment of images in HDR processing or exposure blending.

David’s Batch Processor
DBP is a batch processing plugin for Gimp which allows the user to automatically perform operations (such as resize, sharpen, color correct) then rename and save to different folder a collection of image files.

High Pass filter
Gimp version of highly useful high pass filter which can be used for image sharpening, enhancing contrast and even making of fake HDR.

Focus Blur
Focus Blur Gimp plugin imitates depth of field effect performed by SLR lenses by giving background of your photos slight out of focus look.

PSPI
This plugin allows you to run Photoshop plugins in Gimp, not all of Photoshop plugins are supported but give it a try.

Color Match
This Gimp plugin will help you to easily map colors from a source color to a target color. Very effective for matching skin tones across images or between people.

Elsamuco scripts
A batch of useful scripts to generate different effects in Gimp such as National Geographic look, vintage look, split toning, Technicolor and many others.

Refocus
GIMP plugin to refocus images using FIR Wiener filtering. You can use this plugin to unblur images shot with unfocused or shaken camera.