WinMerge WinMerge

小型免版权图库，图片质量不高，右侧有对应的分类导航。 freeimageslive is a place where photographers promote their work by supplying free stock photos to designers and creative users

完全免费的在线WEBP转PNG转换器网站 Convert WebP images to PNG online. This simple converter will help you quickly convert images from .webp to .png format without losing quality.

H5游戏网站 Play the best HTML5 games for free. HTML5games.com offers worlds first affiliate program for publishers.

高质量3D模型、纹理贴图和HDRI环境贴图资源网站 The Public 3D Asset Library

简单易用的图片压缩软件

免费强大的本地文件内容搜索工具 Anytxt is a powerful file content search Windows freeware, not only text files but also PDF, MS Office, code, eBook, image(OCR offline)... 1000+ file formats.

可以查询的条件包括化合物名、分子式、CAS编号或SMILES，检索结果中除了提供结构预览，还可以下载mol格式的化合物3D结构源文件，可直接导入到ChemDraw、ISIS Draw、Sybyl等软件中。此外，还可查看化合物的供应商信息。 ChemExper is a company joining together the areas of chemistry, computer science and telecommunication. The ChemExper Chemical Directory is a free service that allows to find a chemical by its molecular formula, IUPAC name, common name, CAS number, catalog number, substructure or physical characteristics as well as chemical suppliers. This database contains currently more than 10 millions chemicals, 16000 MSDS, 10000 IR spectra and more than 2000 chemical suppliers. You may also SUBMIT your own data!

免费、开源的Windows平台下的热键脚本语言，通过编写简单的脚本来自动化键盘和鼠标的操作，提高工作效率 Just a moment...