Is there any open-source note-taking app that is similar to OneNote?

• Trilium Notes

  278 25,237 9.7 JavaScript

  Build your personal knowledge base with Trilium Notes

  Trilium is good for hierarchically organized notes: https://github.com/zadam/trilium

• GitNoter

  17 453 9.0 TypeScript

  Discontinued Create, organise & explore notes with your git repository using GitNoter! GitNoter is a markdown based note taking webapp that provides a nice user interface to allow users to create, explore & organise notes with their github repository. [Moved to: https://github.com/git-noter/gitnoter] (by vivekweb2013)

  

  You must try GitNoter https://github.com/vivekweb2013/gitnoter It is an open source markdown based webapp self hosted at https://gitnoter.com It supports nested folder structure for organising notes.

• SurveyJS

  surveyjs.io

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  Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.

  

• xournalpp

  221 10,180 9.4 C++

  Xournal++ is a handwriting notetaking software with PDF annotation support. Written in C++ with GTK3, supporting Linux (e.g. Ubuntu, Debian, Arch, SUSE), macOS and Windows 10. Supports pen input from devices such as Wacom Tablets.

  

  I am not sure what you are exactly looking for but you should definitely take a look at xournalpp. Look beyond the ugly UI.

• notable

  70 22,269 2.0 TypeScript

  The Markdown-based note-taking app that doesn't suck.

  

  Notable is not Open source.

• logseq

  544 29,514 9.9 Clojure

  A local-first, non-linear, outliner notebook for organizing and sharing your personal knowledge base. Use it to organize your todo list, to write your journals, or to record your unique life.

  

  Logseq is quite neat https://logseq.com

• WorkOS

  workos.com

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  The modern identity platform for B2B SaaS. The APIs are flexible and easy-to-use, supporting authentication, user identity, and complex enterprise features like SSO and SCIM provisioning.

  

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