Trilium Notes 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.

Microsoft OneNote is a versatile digital notebook application that allows users to capture, organize, and share notes across multiple devices. Offering a freeform canvas, it supports text, handwritten notes, drawings, audio recordings, and embedded media, making it an excellent tool for students, professionals, and anyone needing a flexible note-taking solution.

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.

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.

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.

KeepNote is a versatile note-taking application designed for organizing information in a hierarchical structure. Available on Windows, Linux, and macOS X, it features robust organization tools, including a tree-like outline, wiki-like linking, and support for embedded files and images. Although discontinued, its local storage and rich features make it a compelling tool for detailed note-taking and research.

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.

TagSpaces is a versatile, open-source application for organizing digital files across multiple platforms using a flexible tagging system. It allows users to manage documents, notes, photos, and more directly on their local storage or synced cloud drives, enhancing discoverability without relying on central databases or proprietary formats. Ideal for individuals seeking robust offline file management and knowledge organization.

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.

Quip is a collaborative productivity suite combining document creation, spreadsheets, and chat into a single workspace. Designed for teams, it facilitates real-time collaboration, streamlining workflows and communication to enhance productivity across devices.

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.

Turtl is a secure and private note-taking, bookmarking, and document storage application. It utilizes strong client-side encryption to ensure that only you and authorized collaborators can access your sensitive information, making it ideal for managing confidential projects and data.

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.

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.

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.

QOwnNotes is a powerful yet simple open-source plain-text note-taking and to-do list application with Markdown support, designed for seamless integration with ownCloud and Nextcloud instances while also offering standalone functionality.

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.

Notebooks is a versatile application designed for comprehensive note-taking and task management. It offers a hierarchical structure for organizing diverse content, including text notes, rich documents, PDFs, and tasks, across multiple platforms with robust synchronization capabilities.

Dictanote is a powerful and intuitive speech recognition software designed to seamlessly convert spoken words into text. Ideal for note-taking, transcription, and document creation, it offers a user-friendly interface and supports offline functionality, making it a versatile tool for various tasks.

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.

Journey is a versatile private journal and note-taking application designed to securely store your personal memories, ideas, and reflections across devices, ensuring your privacy while providing a rich writing experience.

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.

Scrible is a comprehensive, cloud-based platform designed for students, researchers, and teams to manage and organize online research, annotate web pages and documents, and collaborate effectively. It provides tools for capturing, tagging, and citing resources, streamlining the entire research workflow.