GeeTeeDee has been discontinued. Similar apps include Notesnook, which is open source with a free version. Other options are Todoist, CherryTree, Trilium Notes and Cryptee. There's no shortage of Todo List Managers like GeeTeeDee, with more than 100 alternatives for Windows, iPhone, the web, Android and Mac.
Offers open-source, end-to-end encrypted notes with device-based privacy, cross-platform support, private vault, secure sync, offline access, markdown editor, exports to multiple formats, automatic backups, organizational tools, and strong encryption.
Pakistan
Organizes tasks efficiently with quick add scheduling, 60+ tool integrations, advanced language recognition for recurring tasks, and platform compatibility. It offers project templates, visual task priorities, and personalized productivity insights.
United States
Hierarchical note-taking software that is free, open-source, cross-platform. Features include rich text, syntax highlighting, multi-level lists, embedded files, customizable interface, code execution, PDF export, spell check, images & tables, and comprehensive project management support.
The original trilium is transfered to this repo by its owner and the app continues to develop here as stated here: https://github.com/TriliumNext/Trilium
Encrypted, privacy-focused digital storage with zero-knowledge architecture supporting document editing, notes, journals, and photo storage with raw DSLR support, live sync, markdown, code, LaTeX, to-dos, audio, tables, EPUB, PDF, and cross-platform access.
Estonia
EU
Organize projects with deeply nested tasks, multi-language support, and flexible XML storage. Streamline scheduling, customize printing with stylesheets, and collaborate efficiently on multiple projects, including IT and general GTD use, on Windows or Linux via WINE.
Australia
A complete Getting Things Done (GTD) productivity system for desktop and mobile. Mind Like Water.
United States
Organize and schedule tasks with cross-device sync, reminders, recurring events, color-coded lists, collaboration, subtasks, and notes. Offers daily planning, Outlook integration, suggestions, GTD support, and a clean interface for work, school, and personal organization.
United States
Australia
Org mode is for keeping notes, maintaining TODO lists, planning projects, and authoring documents with a fast and effective plain-text system.
GermanyEU
UpNote is an elegant and powerful note app that works seamlessly across platforms: iOS, Android, Mac and Windows.
Vietnam
sleek is an open-source (FOSS) todo manager based on the todo.txt syntax. It's available for Windows, MacOS and Linux.
