Effie

Best way to write and share your knowledge in markdown.

Your GPT-4 AI assistant ChatGPT Plugin. Answers complex questions.Comprehend long texts. Usable everywhere. Supports exporting to Notion. 🔥 Walles.AI as your co-pilot and can answer any complex questions in the sidebar. It can also help you write articles, read articles, summarize YouTube videos, and enhance Google search engines. Available on all websites.

Bear：一款为作家和创意人士设计的笔记软件。

Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share research.

Google Keep

Obsidian: A knowledge base that works on local Markdown files.

用 “我来” 搭建一站式协作平台，团队知识库、仪表台、工作流、内部应用、外部网站与个人云端笔记、待办……开箱即用！

UpNote is a clean and beautiful app for writing and organizing notes. It’s easy to use with rich features and delightful experience. Available on Mac, iOS, Android, Windows and Linux.