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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!
它是国外免费分享网站,大量版权过期而进入公有领域书籍的一项协作计划。
享拥有180种渐变配色方案的网站,里面有很多格式供设计师选择。Come to WebGradients.com for 180 beautiful linear gradients in CSS3, Photoshop and Sketch. This collection is curated by top designers and totally free.
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。
需翻墙-国外一个免费模型分享网站,囊括了各个领域和多种三维设计软件、素材。GrabCAD is the largest online community of professional engineers, designers & students. Learn about our 3D printing software GrabCAD Print & GrabCAD Shop
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
免费下载非洲, 美洲, 亚洲 ,欧洲, 地中海, 大洋洲历史地图。d-maps: Free maps, free outline maps, free blank maps, free base maps, all the countries of the world, high resolution GIF, PDF, CDR, AI, SVG, WMF