GradingPal vs Scribblewise

QuillBot is an AI writing suite best known for its paraphrasing tool. Users paste or type text and have it rewritten in different tones and styles, while companion tools handle grammar checking, summarizing, citations, plagiarism checks and AI content detection. It is widely used by students, writers and professionals.

集学术校对、查重与 AI 写作工具于一体

让老师重获时间的 AI 工具

既是语法检查器，也是写作技艺教练

Jenni is an AI research and academic writing workspace that helps students, researchers, and academics read, write, and cite in one place. Bring in PDFs or import a Zotero or Mendeley library, and Jenni's autocomplete suggests sentences grounded in your own sources, with every suggestion linked to the exact page and paragraph. A built-in writer, AI chat, citation engine covering 10,000+ styles, and a Reviews tool for catching weak or unverified claims make it a full environment for producing cited papers.

Packback is a Learning Intelligence Platform for higher-ed and K-12 institutions that pairs inquiry-based student discussion with real-time AI writing feedback. It helps instructors see how students think while automating routine grading so they can spend more time on mentoring.

讲清原因的 AI 作业答疑与可视化课程

为 K-12 课堂打造的 AI 学习空间与学生洞察工具

有研究背书的 AI 作文批改工具，把夜晚还给老师

几分钟批完整个班级的作文，并给出学生能落地的反馈

免费 AI 作业辅导、AI 家教与闪卡

面向 UPSC 与各邦 PSC 考生的 AI 答卷评估与每日写作练习平台