Personal Information Manager Apps and Services

Ultra Recall is a powerful personal information, knowledge, and document organizer designed for managing diverse data types in a unified, hierarchical structure. It helps users store, organize, and retrieve information ranging from notes and documents to web pages and files.

FCorp My Calendar is a lightweight and portable personal information manager designed for organizing your daily life. It helps you manage your diary entries, notes, schedules, birthdays, and to-do lists efficiently, all within a simple and user-friendly interface.

KOrganizer is a comprehensive calendar and scheduling application, part of the integrated KDE Kontact suite. It provides robust tools for managing events, tasks, and deadlines, with extensive connectivity options and customization.

Osmo is a lightweight and versatile personal organizer designed for efficiency. It integrates essential modules like a color calendar, task manager, address book, and notes editor into a single, user-friendly interface, making it ideal for managing daily activities.

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.

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.

Memotoo is a comprehensive online service designed to centralize and synchronize all your personal information, including contacts, calendars, tasks, notes, and bookmarks. It acts as a hub to connect various online services and devices, ensuring your data is consistent and accessible from anywhere.

TreePad is a versatile personal information manager and notes organizer that utilizes a hierarchical tree structure to help you manage various types of information, from simple notes and to-do lists to complex knowledge bases.

EssentialPIM is a versatile personal information manager designed to help you organize your life. It allows you to manage appointments, tasks, notes, contacts, passwords, and more, all within a single, customizable application available for desktop and mobile platforms.

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.

Laverna is a privacy-focused, open-source note-taking application designed for secure personal information management. It offers a robust Markdown editor, strong encryption capabilities, and offline access, making it an ideal solution for users prioritizing data privacy and a seamless note-taking experience across devices.

TreeDBNotes is a portable, Windows-based personal information manager and notetaking application that organizes information in a hierarchical tree structure. It allows users to store diverse data types, manage tasks, and secure sensitive information within a single file.

AllMyNotes Organizer is a comprehensive personal information manager and outliner for Windows. It allows users to securely store, organize, and retrieve diverse information in a single, encrypted file, utilizing a hierarchical tree structure for intuitive navigation and management of notes, documents, passwords, and more.

Ultra Recall is a powerful personal information, knowledge, and document organizer designed for managing diverse data types in a unified, hierarchical structure. It helps users store, organize, and retrieve information ranging from notes and documents to web pages and files.

FCorp My Calendar is a lightweight and portable personal information manager designed for organizing your daily life. It helps you manage your diary entries, notes, schedules, birthdays, and to-do lists efficiently, all within a simple and user-friendly interface.

KOrganizer is a comprehensive calendar and scheduling application, part of the integrated KDE Kontact suite. It provides robust tools for managing events, tasks, and deadlines, with extensive connectivity options and customization.

Osmo is a lightweight and versatile personal organizer designed for efficiency. It integrates essential modules like a color calendar, task manager, address book, and notes editor into a single, user-friendly interface, making it ideal for managing daily activities.

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.

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.

Memotoo is a comprehensive online service designed to centralize and synchronize all your personal information, including contacts, calendars, tasks, notes, and bookmarks. It acts as a hub to connect various online services and devices, ensuring your data is consistent and accessible from anywhere.

TreePad is a versatile personal information manager and notes organizer that utilizes a hierarchical tree structure to help you manage various types of information, from simple notes and to-do lists to complex knowledge bases.

EssentialPIM is a versatile personal information manager designed to help you organize your life. It allows you to manage appointments, tasks, notes, contacts, passwords, and more, all within a single, customizable application available for desktop and mobile platforms.

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.