MolView-化学分子式工具 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!
DOAJ 收录的OA期刊数量非常多,属于目前最好的的OA期刊目录网站。DOAJ is a community-curated online directory that indexes and provides access to high quality, open access, peer-reviewed journals.