wikidPad Alternatives for Mac OS X

Evernote is a popular cross-platform note-taking application designed to capture, organize, and manage your notes. It offers robust syncing capabilities across devices and includes features like web clipping, OCR for images, and integration with other services to streamline your productivity and information management.

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.

Simplenote is a minimalist note-taking application designed for speed and efficiency. It provides a clean interface across multiple platforms, focusing on text-based notes with robust synchronization and versioning capabilities. Ideal for capturing ideas quickly and accessing them anywhere.

Tomboy is a free and open-source desktop note-taking application designed for simplicity and efficiency across Linux, Unix, Windows, and macOS. It utilizes a wiki-like interface for easy linking between notes and offers features like automatic linking, full-text search, and local storage, making it an accessible and reliable tool for organizing your thoughts and tasks.

TiddlyWiki is an innovative open-source, single-file, non-linear personal web notebook.

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.

Notational Velocity is a minimalist, keyboard-centric note-taking application for macOS.

DEVONthink is a powerful document and knowledge management application for macOS. It helps users organize, store, and retrieve information from various sources, offering advanced search capabilities, AI-assisted connections, and robust syncing options to build a comprehensive personal information or research database.

WizNote is a feature-rich, cross-platform cloud-based note-taking application designed for individuals and teams. It offers robust tools for capturing, organizing, and sharing information, with a strong focus on productivity and knowledge management.

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.

OmniOutliner is a powerful commercial outlining and information structuring application designed for macOS. It enables users to organize ideas, tasks, notes, and projects in a flexible, hierarchical format.

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.

Leanote is a versatile self-hosted note-taking application that blends rich text editing with Markdown support. It offers seamless synchronization across multiple devices and features built-in blog publishing capabilities, making it a powerful tool for both personal information management and content creation.

nvPY is a minimalist, open-source note-taking application that seamlessly syncs with Simplenote. Designed for speed and simplicity, it provides a clean interface for focused writing and efficient note management through search and tags, echoing the user experience of Notational Velocity.

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.

Quiver is a robust note-taking application designed for developers, offering a powerful and flexible platform for organizing, writing, and managing notes. It seamlessly integrates rich text, code snippets, markdown, and LaTeX within a single note, providing a unique blend of capabilities for technical users.

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.

Wiki on a Stick is a highly portable, standalone personal wiki designed to run directly from a single self-modifying XHTML file. Ideal for managing notes, knowledge bases, and outlines on the go without requiring installation.