Pixabay 免费图片（以及视频和音乐）
2.3+ millions of royalty free images, movies and sounds.A must for any website or graphic user.Is sponsored by commercial images proposed on result page.
Java TPoint教程
Plenty of tutorial resources. Claimed as “The Best Portal to Learn Technologies” … while we would not necessarily agree on all Technologies, on IT subjects (coding, databases especially, but also graphic softwares) there is indeed a LOT!Javatpoint is a comprehensive technical documentation and tutorial repository that provides structured learning paths for software development, computer science, […]
Paletton.com 色彩调色板设计师
Helps you to choose your next set of color: 1, 3, 4 colors in various combination from the color wheel. No help or advice to have the best matching colors, but interest is in the ability to change color easily and to preview the colors side by side and in a webpage context.
Colormind.io IA 配色方案设计器
Not yet another color picker: no color wheel here, but lock colors you need and let other colors being proposed either randomly or from any uploaded picture. Handy and fast.
HTML颜色选择器
Not exactly to chose the best-looking colors schemes, but rather to convert colors codes between the various formats Hex <-> RGB <-> HSL (but look at the left menu: you also have colors palettes and other more graphical tools)
迷宫生成器
Generate automatically a nice, almost any-size maze after selecting some parameters:the general maze shape (rectangular, circular, triangular, hexagonal)the style of the cells (square, triangular, hexagonal)with and heightwhere to start = the entering pointIt is very straightforward, requires no installation, and is super fast.Results can be viewed or downloaded as an image or pdf, with or […]
Pixlr.com 在线照片编辑器
Online photo editor, with no install and no registration required.Does all the basic photo editing:manages layershas some nice templates, (mostly web-marketing related)saves in png, jpeg, webP and PXZAvailable in two flavors, we recommend the Advanced version rather than the Quick & Easy
Draw.io：在线流程图和图表制作工具
It has now be renamed draw.io, but same good usability and features.Very handy. Many options, blocks, and styles. Link associations remain between blocks when moved around.A lot of similar tools exist online now, but VERY few with no registration at all.The result can be saved or downloaded as xml, png or svg directly to your […]
字体识别器
Provide your image, and the tool will try to identify the font used, or proposed the most approchant one. It will suggest you free and paid font(s) and show them side by side for you to compare. Our Tip: works well and the service is very straightforward, but not sure where the provided image goes […]
在线电子书 ePub 阅读器
Have you ever wondered how to read an ebook in ePub format on your desktop without any viewer installed? May be useful also on your smartphone if no reader is installed either. Here you have direct access to upload your file, no registration, and free. All of these make this online service super efficient.