DEVONthink Alternatives for Mac OS X

Zim is a powerful, open-source graphical text editor designed for maintaining a personal wiki or notebook. It allows users to organize notes, ideas, and various types of information in a hierarchical, interlinked structure, similar to a wiki.

Zotero is a free and open-source reference management software that helps users collect, organize, cite, and share their research sources. It integrates seamlessly with web browsers and word processors to streamline the research and writing process.

wikidPad is a free and open-source wiki-like notebook application that allows you to store your thoughts, notes, and snippets of information in a highly organized and cross-referenced manner. Its strength lies in the effortless creation of links between pages, making it easy to navigate and connect related ideas.

NixNote is an open-source, cross-platform desktop client for Evernote, offering a familiar interface and offline access to your notes.

RedNotebook is a free and open-source desktop journal and diary application offering a clean interface and features for organizing notes, thoughts, and ideas with a calendar view, tag search, and basic text formatting.

Piggydb is an open-source web notebook application designed for building and managing knowledge bases, either individually or collaboratively. It emphasizes structured organization through hierarchical tagging and concept mapping.

nvALT is a lightweight, plain text note-taking application for macOS building upon the foundation of Notational Velocity. It excels at fast capture, searching, and retrieval of notes using a simple, keyboard-centric interface, with added support for Markdown and synchronization.

Zoho Notebook is a free, feature-rich note-taking application designed for diverse needs, offering a balance of simplicity and power. It stands out with its visually appealing interface, robust organization tools, and seamless cross-platform synchronization, making it suitable for personal organization, professional collaboration, and creative endeavors.

Yojimbo is a digital locker for storing and organizing diverse information, helping users keep track of notes, passwords, images, PDFs, and web archives in a secure and easily retrievable manner.

MyTetra is a versatile, cross-platform information manager designed for collecting, organizing, and managing various types of data. It excels as a portable note-taking application, personal information manager, and notebook, offering a robust outliner and rich text editing capabilities.

myBase is a powerful, free-form database and information manager designed to organize diverse types of information including text, web pages, documents, and multimedia files within a flexible hierarchical structure.

NoteCase Pro is a versatile, cross-platform application designed for efficiently capturing, organizing, and managing various types of information. It offers a hierarchical structure, robust security features, and extensive customization options for users across different operating systems.

Curio is a creative and visual note-taking and brainstorming application designed for macOS. It offers a freeform workspace, allowing users to combine various media types like text, images, sketches, and even audio recordings on a single canvas. Ideal for capturing ideas, planning projects, and organizing information in a flexible and intuitive manner.

BeeCanvas is an online visual collaboration platform offering a flexible, infinite whiteboard for teams to brainstorm, plan, and manage tasks in real-time. It provides a dynamic space for diverse projects, enabling shared visual thinking and streamlined communication.

Elephant is a portable, privacy-focused note-taking application featuring a classic, intuitive interface. It supports robust note organization, rich text formatting, markdown, and offline access. With capabilities like image insertion and secure cloud synchronization, Elephant is designed for users needing a reliable and versatile digital notebook.