ImageOptim - GUI image optimizer for Mac

•    HTML

ImageOptim is a GUI for lossless image optimization tools: PNGOUT, AdvPNG, Pngcrush, OptiPNG, JpegOptim, MozJPEG, jpegtran, Gifsicle and SVGO.To get started, open imageoptim/ImageOptim.xcodeproj. It will automatically download and build all subprojects when run.

clean-css - Fast and efficient CSS optimizer for node.js and the Web

•    Javascript

clean-css is a fast and efficient CSS optimizer for Node.js platform and any modern browser.According to tests it is one of the best available.

webpack-tricks - Tips and tricks in using Webpack

Just a small catalog of Webpack tips and tricks I've learned. These tricks work with Webpack v3 unless otherwise specified.Invoke Webpack with -p for production builds. In Webpack 2, this also automatically sets process.env.NODE_ENV === 'production'.

source-map-explorer - Analyze and debug space usage through source maps

•    Javascript

Analyze and debug JavaScript (or Sass or LESS) code bloat through source maps. The source map explorer determines which file each byte in your minified code came from. It shows you a treemap visualization to help you debug where all the code is coming from. Check out this Chrome Developer video (3:25) for a demo of the tool in action.

yuicompressor - YUI Compressor

•    Java

The YUI Compressor is a JavaScript compressor which, in addition to removing comments and white-spaces, obfuscates local variables using the smallest possible variable name. This obfuscation is safe, even when using constructs such as 'eval' or 'with' (although the compression is not optimal in those cases) Compared to jsmin, the average savings is around 20%. If no input file is specified, it defaults to stdin.

svgo - :tiger: Node.js tool for optimizing SVG files

•    Javascript

SVG Optimizer is a Nodejs-based tool for optimizing SVG vector graphics files. SVG files, especially those exported from various editors, usually contain a lot of redundant and useless information. This can include editor metadata, comments, hidden elements, default or non-optimal values and other stuff that can be safely removed or converted without affecting the SVG rendering result.

free-style - Make CSS easier and more maintainable by using JavaScript

•    TypeScript

Free-Style is designed to make CSS easier and more maintainable by using JavaScript. There's a great presentation by Christopher Chedeau you should check out.

gulp-htmlmin - Minify HTML

•    HTML

gulp plugin to minify HTML. Issues with the HTML parser and output must be reported on the html-minifier issue tracker.

babel-plugin-transform-react-remove-prop-types - Remove unnecessary React propTypes from the production build

•    Javascript

Remove unnecessary React propTypes from the production build. Remove React propTypes from the production build, as they are only used in development. You can save bandwidth by removing them.

babel-plugin-styled-components - Improve the debugging experience and add server-side rendering support to styled-components

•    Javascript

Licensed under the MIT License, Copyright © 2016-present Vladimir Danchenkov and Maximilian Stoiber. See LICENSE.md for more information.

Microsoft Ajax Minifier

•    ASPNET

The Microsoft Ajax Minifier enables you to improve the performance of your Ajax applications by reducing the size of your Cascading Style Sheet and JavaScript files.

Mini Static Content Delivery

Compress, minify and combine static content JavaScipts and Stylesheets files, auto-versioning, aggressive caching.

Yahoo! UI Library: YUI Compressor for .Net

•    Javascript

This is a .NET port of the Yahoo! UI Library's YUI Compressor Java project. The objective of this project is to compress any Javascript and Cascading Style Sheets to an efficient level that works exactly as the original source, before it was minified.

UI Compiler .NET - JavaScript compiler/minifier built on Google Closure Compiler

•    Javascript

A compiler/minifier for JavaScript, built on Google Closure Compiler and YUI Compressor. It provides a .NET component for integration and a windows UI, allowing compilation of multiple source files in to one single file.

Combres - WebForm & MVC Client-side Resource Combine Library

•    ASPNET

.NET library which enables minification, compression, combination, and caching of JavaScript and CSS resources for ASP.NET and ASP.NET MVC web applications. Simply put, it helps your applications rank better with YSlow and PageSpeed.

SimpleMin

•    ASPNET

SimpleMin is a very easy way to minify and bundle all javascript and css files in your web project.

Web Markup Minifier

•    ASPNET

The Web Markup Minifier (abbreviated WebMarkupMin) is a .NET library that contains a set of markup minifiers. The objective of this project is to improve the pe

CollectAndCrop

•    Javascript

CollectAndCrop helps with combining and minifying javascript and css files in Sharepoint.

css-minification-benchmark - A comparison of CSS minifiers for node.js

•    CSS

A comparison of CSS minification engines. Most of the time crass comes first although clean-css, cssnano and csso come close. Test the minifiers with your CSS to find what works best for you.

gulp-cssnano - Minify CSS with cssnano.

•    Javascript

Minify CSS with cssnano. Pull requests are welcome. If you add functionality, then please add unit tests to cover it.