Developer: Orionbelt.com

Current Version: 2.1

Price: $20

Development Status: Release

iCal Sync: Yes

QuickSilver Plug-in: Yes

Web-app Sync: Yes

Print Lists: Yes

iPhone Presence: App (free); Web App (free)

OS Requirements: Mac OS X 10.4

Required Applications: None

Distinguishing Features: Windows version available; automatic advance of uncompleted due tasks to today.

News: None

Developer: Twin Forces

Current Version: 2.0d18

Price: Free, open-source

Development Status: Release

iCal Sync: No

QuickSilver Plug-in: Yes

Web-app Sync: No

Print Lists: Yes

iPhone Presence: None

OS Requirements: Mac OS X 10.5

Required Applications: None

Distinguishing Features: Quick-entry box; fuzzy repeated actions.

News: None

Developer: Ghost Park Software

Current Version: 1.3.2

Price: $20

Development Status: Release

iCal Sync: Yes

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: Yes

iPhone Presence: Sort of—a non-syncing application ($10)

OS Requirements: Mac OS X 10.4 only

Required Applications: None

Distinguishing Features: .Mac syncing (without iCal running); PDA/iPod syncing; two-way iCal syncing.

News: None

Developer: HensPace

Current Version: 1.90

Price: Free

Development Status: Release

iCal Sync: No

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: Yes

iPhone Presence: None

OS Requirements: Unknown

Required Applications: Python 2.4 or later

Distinguishing Features: Compatible with any OS running Python (including Windows); very simple text-only utility.

News: None

Developer: Jeff Fisher

Current Version: 1.3

Price: Free

Development Status: Pre-final

iCal Sync: No

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: Yes

iPhone Presence: None

OS Requirements: None (Mori template)

Required Applications: Mori 1.6.11

Distinguishing Features: Expands Mori (digital notebook) functions to include GTD principles.

News: None

Developer: Midnight Beep Softworks

Current Version: 1.4.4

Price: $35

Development Status: Release

iCal Sync: Yes

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: Yes

iPhone Presence: App coming soon

OS Requirements: Mac OS X 10.4

Required Applications: None

Distinguishing Features: Action timer; quick-note and quick-action hot keys; Mail compatible; automatic data collection.

News: None

Developer: Omni Group

Current Version: 1.7.5

Price: $80

Development Status: Release

iCal Sync: Yes

QuickSilver Plug-in: Yes

Web-app Sync: No

Print Lists: Yes

iPhone Presence: App ($20)

OS Requirements: Mac OS X 10.4.8

Required Applications: None

Distinguishing Features: Mail compatible and Spotlight compatible; simple interface with powerful view features.

News: None

Developer: MOApp Software Manufactory

Current Version: 5.1.1

Price: €16 (about $24)

Development Status: Release

iCal Sync: Yes

QuickSilver Plug-in: Yes

Web-app Sync: No

Print Lists: Yes

iPhone Presence: None

OS Requirements: Mac OS X 10.5

Required Applications: None

Distinguishing Features: This is a menu-bar application, but don’t be fooled—it is a very fully featured GTD tool. There is a lot to see here, and you won’t find any of the standard features you’re looking for missing. Note the full-screen editing, searching, tags, contacts, and priorities.

News: None

Developer: Todd Vasquez

Current Version: 1.4.5

Price: $30

Development Status: Release

iCal Sync: Yes

QuickSilver Plug-in: Yes

Web-app Sync: No

Print Lists: Yes

iPhone Presence: None

OS Requirements: Mac OS X 10.4

Required Applications: None

Distinguishing Features: A very different approach using a set of AppleScript routines to impose organization and communication across a computer’s entire file system; productivity scoring; help with files and tasks related to meetings; multiple language support.

News: A very incremental release that includes some bug fixes.

Developer: Hog Bay Software

Current Version: 2.2.1

Price: $19

Development Status: Release

iCal Sync: No

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: Yes

iPhone Presence: Yes

OS Requirements: Mac OS X 10.5

Required Applications: None

Distinguishing Features: Simple text-based system; no-frills; intentionally designed as an alternative to more fully featured systems.

News: After last month’s issue, Jesse e-mailed me to let me know that there is now an iPhone version—something I had omitted to note or change in the features list above.

Developer: Potion Factory

Current Version: 0.9.3.18

Price: $50 (pre-order)

Development Status: Beta

iCal Sync: Yes

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: No

iPhone Presence: No (but indicated as “coming”)

OS Requirements: Mac OS X 10.5

Required Applications: None

Distinguishing Features: List view and “card” view; task timer; system-wide quick-entry; tabs allow good project management; AppleScript support; tags and prioritization of tasks.

News: None

Developer: Cultured Code

Current Version: 1.3.3

Price: $50

Development Status: Release

iCal Sync: Yes

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: Yes

iPhone Presence: App ($10)

OS Requirements: Mac OS X 10.4.11

Required Applications: None

Distinguishing Features: iCal sync; repeating tasks; Mail compatibility; tags; network and multi-computer operation; and import/export options.

News: iPad support has been added to Things, as well as a “multiple mobile device syncing” capability, which should allow several devices to sync the same data and keep it all up-to-speed.

Developer: Avente Pty Ltd

Current Version: 2.2.1

Price: Free, open-source

Development Status: Release

iCal Sync: No

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: Yes

iPhone Presence: None

OS Requirements: Mac OS X 10.4

Required Applications: None

Distinguishing Features: Cross-platform compatibility through Java; interactive collection and processing; can be run off of a flash drive.

News: I’m in a quandary about how to continue to cover Thinking Rock: it seems that they may be continuing development of both the free/open-source version and the paid version. Any suggestions?

Developer: Objective Satisfaction

Current Version: 1.3.2

Price: $29

Development Status: Release

iCal Sync: No

QuickSilver Plug-in: Yes

Web-app Sync: No

Print Lists: Yes

iPhone Presence: None

OS Requirements: Mac OS X 10.4.9

Required Applications: None

Distinguishing Features: Drag-and-drop intensive for easy reorganization; .Mac syncing for multiple computers; XML export.

News: None

Developer: Tom Stoelwinder, Model Concept

Current Version: 1.0

Price: Free/Donationware

Development Status: Release

iCal Sync: Yes

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: Yes (through iCal)

iPhone Presence: None

OS Requirements: Mac OS X 10.5

Distinguishing Features: A menu-bar utility that gives a HUD-like interface to iCal tasks; sorts by calendar; Mac OS X 10.5 only.

News: None

Developer: The Chandler Project

Current Version: 1.0.3

Price: Open Source

Development Status: Release

iCal Sync: Yes

QuickSilver Plug-in: No

Web-app Sync: Yes

Print Lists: Yes (through iCal)

iPhone Presence: None

OS Requirements: Mac OS X 10.3

Distinguishing Features: A good integrated calendar makes this one a fairly full-orbed PIM.

News: None

Developer: Second Gear

Current Version: 4.1.1

Price: $13

Development Status: Release

iCal Sync: No

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: Yes

iPhone Presence: None

OS Requirements: Mac OS X 10.5.2

Distinguishing Features: A menu-bar utility that manages basic task lists; syncs with iPods; a .Mac Backup QuickPick is provided.

News: None

Developer: Thinking Code Software, Inc.

Current Version: 1.3

Price: $19

Development Status: Release

iCal Sync: Yes

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: Yes (through iCal)

iPhone Presence: App ($8)

OS Requirements: Unknown (would assume 10.4 or later, due to presence of Spotlight functions)

Distinguishing Features: A simple yet powerful menu bar–style task list manager, with tags, groups, notes, and a handful of other options.

News: None

Developer: Surprise Software

Current Version: 1.3

Price: $20

Development Status: Release

iCal Sync: No

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: Yes

iPhone Presence: None

OS Requirements: Mac OS X 10.1

Distinguishing Features: A neat basic list-management application. A Windows version is also available.

News: None

Developer: Jim McGowan

Current Version: 2.6

Price: Donationware

Development Status: Release

iCal Sync: Yes

QuickSilver Plug-in: Yes

Web-app Sync: No

Print Lists: No

iPhone Presence: None

OS Requirements: Mac OS X 10.4

Distinguishing Features: .Mac support and AppleScriptability. Also supports file attachments and categories for lists. Skins are available for customization.

News: None

Developer: flexgames

Current Version: 1.14

Price: Free/Donationware

Development Status: Release

iCal Sync: Yes

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: Yes (through iCal)

iPhone Presence: None

OS Requirements: Mac OS X 10.5

Distinguishing Features: A task and event creator for iCal—something of a collection bucket for GTD users.

News: None

Developer: Intuiware

Current Version: 1.5

Price: $20

Development Status: Release

iCal Sync: No

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: No

iPhone Presence: None

OS Requirements: Mac OS X 10.4.9

Distinguishing Features: Tracks a substantial amount of information about a given task, including completion status, priority, and time remaining; supports tagging, color coding, and locking of tasks. Also allows collection of URLs and files.

News: Improved interface, a new calendar view, quick-entry window, better links, and other improvements grace version 1.5.

Developer: Script Software

Current Version: 1.1

Price: $20

Development Status: Release

iCal Sync: Yes

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: No

OS Requirements: Unknown

Distinguishing Features: Offers a menu bar–based method of managing task lists; includes .Mac syncing.

News: None

Developer: Llamagraphics

Current Version: 5.1.1

Price: $65 ($80 bundled with Palm version)

Development Status: Release

iCal Sync: Yes

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: Yes (through iCal)

OS Requirements: Mac OS X 10.4

Distinguishing Features: Gives “meta-feedback” about tasks: how much time are you spending in different areas of your life (i.e., work, family, hobbies, etc.), and are you keeping it balanced? Palm and Windows versions available.

News: None

Developer: Circus Ponies

Current Version: 3.0

Price: $50 (academic and family pack pricing available)

Development Status: Release

iCal Sync: Yes

QuickSilver Plug-in: Yes

Web-app Sync: No

Print Lists: Yes

OS Requirements: Mac OS X 10.4.11

Distinguishing Features: Highly customizable system with project management built-in; also works well for heavy day-to-day GTD use.

News: None

Developer: iSlayer

Current Version: 1.11

Price: Donationware

Development Status: Release

iCal Sync: Yes

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: No

iPhone Presence: None

OS Requirements: Mac OS X 10.5

Distinguishing Features: Dashboard widget with calendar events, tasks, notes, and world clock.

News: None

Developer: Urban Design Limited

Current Version: 1.5

Price: $17

Development Status: Release

iCal Sync: No

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: No

iPhone Presence: None

OS Requirements: Mac OS X 10.5

Distinguishing Features: Allows lists (and other things) to be created as an editable part of the desktop. Good for simple lists.

News: None

Developer: The Blue Technologies Group

Current Version: 1.1

Price: €7.50 (about $10)

Development Status: Release

iCal Sync: No

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: Yes

iPhone Presence: None

OS Requirements: Mac OS X 10.4

Distinguishing Features: A combination notepad and to-do list manager, with creation date, notes, and a check box for completed items. Tasks can be color-coded based on a low-level preference set-up.

News: None

Developer: Ryan Conway

Current Version: 1.2.1

Price: Free

Development Status: Release

iCal Sync: No

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: No

iPhone Presence: None

OS Requirements: Mac OS X 10.5

Distinguishing Features: Ultra-simple task list: remaining tasks in a simple list; completed tasks in a drawer (which can be hidden). Tasks are just single-line descriptions with a check box. Could be right for the super-simplified life.

News: None

Developer: Second Gear

Current Version: 2.2

Price: $22

Development Status: Release

iCal Sync: Yes

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: Yes

iPhone Presence: None

OS Requirements: Mac OS X 10.5

Distinguishing Features: A window interface for quick reference and entry to iCal events and tasks. Allows global shortcuts for viewing and creation of new tasks and events.

News: In version 2.2, Entourage support and color for tasks and events have been added; also some improvements and bug fixes.

Developer: Omicron Software Systems, Inc.

Current Version: 2.3

Price: $15

Development Status: Release

iCal Sync: Import from iCal only

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: No

iPhone Presence: None

OS Requirements: Mac OS X 10.2

Distinguishing Features: Offers categories, priorities, and attached notes.

News: None

Developer: InterfaceThis

Current Version: 1.0

Price: Free

Development Status: Release

iCal Sync: Yes

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: Yes (through iCal)

iPhone Presence: None

OS Requirements: Unknown

Distinguishing Features: A basic task creator for iCal, serving as a collection bucket.

News: ZooDo has disappeared from the InterfaceThis Web site, so there is some question about its ongoing support. I’ll keep you posted.

Price: Free

Description: Lean and fast, including a calendar, task list, and limited Gmail interaction. Also RSS and iCal feeds, SMS, and sharing. Nice interface, too.

Price: Free (donations get extra features)

Description: Specifically designed as an iPhone Web app, it’s light and lean for EDGE network optimization. Submit inbox items via e-mail, Twitter (with donation), Jott (with donation), and the usual features.

Price: Free

Description: Another Web version of a GTD tool, with the standard features. Plus, addition of Goals, checklists for recurring tasks, schedule management, and an iCal-compatible calendar. A mobile version is also available.

Price: Free

Description: A Firefox extension for GTD integration with Gmail. Prepackaged labels, a Review process, specialized searches within Gmail, quick-entry for tasks, and printable. Works well in conjunction with RememberTheMilk. Current version, 2.0.8.4, is open source; requires Firefox.

Price: Free

Description: A PHP solution designed to be locally installed. A simple tabbed interface for the capture and process stages; weekly review. Currently at version 0.8.

Price: $10/year

Description: Includes a collection inbox and context or project task viewing panes, as well as inactive projects and tasks. Daily e-mail reminders of tasks; new tasks can be added by e-mail; data export.

Price: Free

Description: Uses Google Gears and Firefox; has a lean, basic interface with multiple-list management capability. Works with or without a network connection.

Price: Free

Description: PHP-based, so it installs locally and runs in your browser; supports contexts and reminders.

Price: Free

Description: Has markers for which action will be next and a time estimation for tasks. Contexts are visible and identifiable; easy to collect and process quickly; iPhone-ready.

Price: Free

Description: Tabs for next actions, contexts, projects, and done actions; drag-and-drop organization; easy undoing of tasks.

Price: Free

Description: Easy keyboard navigation, good use of calendaring for tasks, and a useful set of attributes for tasks, as well as the ability to auto-hide unneeded list views, help Task Writer to stand out a bit.

Price: Free

Description: Has a Firefox plug-in and a Google gadget for easy collection; also supports e-mail, voice mail, and traditional entry for collection. Includes a good overview of GTD in co-operation with its tools, as well. iPhone-optimized.

Price: Free

Description: A Web server that runs locally or hosted through tracks.tra.in. Fast, lean, and pretty, it offers calendaring and a multi-user component. Currently at version 1.6.

Price: $5/month (premium)

Description: Is a wide-scale GTD system: collection, project management, recurring actions, and tickler files. Includes a mobile edition, iCal and RSS feeds, and e-mail and SMS reminders. An iPhone-specific version is available. A premium (paid) version also includes security encryption, collaboration, file attachments, and calendaring.