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开源的化学分子式编辑、查看、绘制工具,包含了化合物、蛋白质、光谱数据库。MolView is an intuitive, Open-Source web-application to make science and education more awesome!
优秀英文字体精选。Archive of freely downloadable fonts. Browse by alphabetical listing, by style, by author or by popularity.
人人都是产品经理致力为产品新人、产品经理等广大产品爱好者打造一个良好的学习交流平台。深度剖析国内外互联网业内动态,分享产品设计、交互设计、视觉设计、用户体验设计、产品运营、产品市场和项目管理等专业产品知识。
除了免费视频,还有照片,音频剪辑,字体和纹理。Download Free Stock Footage: Video, Audio, Photos. All Content Is Completely Free And Ready For Using In Your Projects. Just Download And Use It..
图片可免费商用,去做点了不起的事吧!Startup Stock Photos are free startup, office, and tech stock photos ready for your next project. Used by millions. Make something awesome.
在线图片压缩,免费下载。Picdiet is a fast and robust online batch image filesize compressor written in JavaScript, images are compressed in your browser, completely free
提供免费的640×480视频剪辑,可以购买的HD和4K素材。Free Stock Footage and Commercially Cleared Royalty Free HD & 4K Stock Footage..