网易公开课Portable option available.学习教育AnkiChecked against the vendor release.学习教育不背单词Clean installer, works offline.学习教育Hello WorldChecked against the vendor release.学习教育金山打字通Runs on Windows, macOS and Linux.学习教育多邻国 DuolingoPortable option available.学习教育学习通Light footprint, quick to install.学习教育中国大学 MOOCFree official build, no bundleware.学习教育扇贝单词Free official build, no bundleware.学习教育ScratchChecked against the vendor release.学习教育百词斩Runs on Windows, macOS and Linux.学习教育墨墨背单词Light footprint, quick to install.学习教育