Open source - Document collaboration softwares

There is no direct **open-source version** of **Microsoft Loop**, but there are several **open-source alternatives** that offer similar functionality for real-time collaboration and document sharing. Microsoft Loop is primarily focused on dynamic, modular collaboration through **Loop components** that can be embedded in different Microsoft 365 apps like Teams, Outlook, and OneNote. The following alternatives provide similar features for collaborative, real-time editing:


### Open-Source Alternatives to Microsoft Loop:


1. **Etherpad** 

  - **Description**: A highly customizable open-source real-time collaborative text editor that allows multiple users to edit documents simultaneously.

  - **Features**: Real-time collaboration, version control, and plugin support for extended functionality.

  - **Website**: [Etherpad.org](https://etherpad.org/)


2. **CryptPad** 

  - **Description**: A privacy-focused, real-time collaborative document editing platform with end-to-end encryption.

  - **Features**: Collaborative editing for documents, spreadsheets, and Kanban boards, with encryption for privacy.

  - **Website**: [CryptPad.fr](https://cryptpad.fr/)


3. **HedgeDoc (formerly CodiMD)** 

  - **Description**: A collaborative markdown editor that allows users to write, edit, and preview documents in real time. Great for taking notes or creating documents collaboratively.

  - **Features**: Real-time markdown editing, presentation mode, and integration with other collaboration tools.

  - **Website**: [HedgeDoc.org](https://hedgedoc.org/)


4. **OnlyOffice** 

  - **Description**: An open-source suite of online office tools for real-time collaboration on documents, spreadsheets, and presentations.

  - **Features**: Full office suite with real-time collaboration, document editing, and integration with file storage services.

  - **Website**: [OnlyOffice.com](https://www.onlyoffice.com/)


5. **Collabora Online** 

  - **Description**: A LibreOffice-based online office suite that offers real-time collaborative editing for documents, spreadsheets, and presentations.

  - **Features**: Real-time collaboration, document editing, and full integration with cloud platforms like Nextcloud.

  - **Website**: [Collabora Online](https://www.collaboraoffice.com/collabora-online/)


These open-source tools offer collaborative document creation and editing functionalities similar to **Microsoft Loop**, with a strong focus on flexibility, security, and control. Depending on your specific requirements (e.g., privacy, document types, or real-time editing), one of these tools could be a good fit as an alternative to Loop.

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