Developer: Mac Productive

Current Version: 1.3.1

Price: Free

Development Status: Release

iCal Sync: Yes

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: Yes

Required Applications: FileMaker Pro (free Runtime version available)

Distinguishing Features: Also organizes notes, contacts, and other information related to projects.

News: None

Developer: Jon Crosby

Current Version: 0.9.3

Price: Free, open-source

Development Status: Beta

iCal Sync: Yes

QuickSilver Plug-in: Yes

Web-app Sync: Yes

Print Lists: Yes

Required Applications: None

Distinguishing Features: Processing engine; iPod sync; Mail and MailTags compatibility.

News: None

Developer: Orionbelt.com

Current Version: 1.9.3

Price: $20

Development Status: Release

iCal Sync: Yes

QuickSilver Plug-in: Yes

Web-app Sync: Yes

Print Lists: Yes

Required Applications: None

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

News: Recent update improved online features, including iPhone support.

Developer: Twin Forces

Current Version: 2.0d15

Price: Free, open-source

Development Status: Release

iCal Sync: No

QuickSilver Plug-in: Yes

Web-app Sync: No

Print Lists: Yes

Required Applications: None

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

News: None

Developer: Ghost Park Software

Current Version: 1.1

Price: $20

Development Status: Release

iCal Sync: Yes

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: Yes

Required Applications: None

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

News: None

Developer: Bartek

Current Version: 1.4.5.6

Price: Free

Development Status: Release

iCal Sync: Yes

QuickSilver Plug-in: Yes

Web-app Sync: No

Print Lists: Yes

Required Applications: None

Distinguishing Features: Compatible with Address Book, Mail, iSync, and MailTags, as well as Web browser support, Path Finder, Yojimbo, MacJournal, and others; quick-entry feature; simple yet powerful interface.

News: Version 2 is in development (public alpha release available for download), as is iGTD Pro.

Developer: HensPace

Current Version: 1.88

Price: Free

Development Status: Release

iCal Sync: No

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: Yes

Required Applications: Python 2.4 or higher

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

News: None

Developer: Ethan Schoonover

Current Version: 0.83

Price: Free

Development Status: Beta

iCal Sync: Yes

QuickSilver Plug-in: Yes

Web-app Sync: No

Print Lists: Yes

Required Applications: OmniOutliner Pro 3.6 or higher

Distinguishing Features: Nothing fancy, but a simple list management tool.

News: Schoonover has effectively abandoned development of kGTD since joining the staff of the Omni Group and working on the OmniFocus development team.

Developer: Apokalypse Software Corp

Current Version: 1.2

Price: Free

Development Status: “Pre-final”

iCal Sync: No

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: Yes

Required Applications: Mori 1.4

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

News: None

Developer: Midnight Beep Softworks

Current Version: 1.3.1

Price: $35

Development Status: Release

iCal Sync: Yes

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: Yes

Required Applications: None

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

News: Version 2 was recently discussed in great detail on the Web site.

Developer: Omni Group

Current Version: 1.0.2

Price: $80

Development Status: Release

iCal Sync: Yes

QuickSilver Plug-in: Yes

Web-app Sync: No

Print Lists: Yes

Required Applications: None

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

News: Version 1.1 has been announced/discussed, said to include a true iPhone application that will be released around the time of the iPhone firmware 2.0 update.

Developer: Thiamin Trek

Current Version: n/a

Price: Free

Development Status: Release

iCal Sync: No

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: Yes

Required Applications: Python

Distinguishing Features: Cross-platform compatibility; incorporates Covey-style prioritization with GTD; a simple text-based list.

News: Web site is no longer on the server; if the problem persists, I’ll remove this application from the list.

Developer: Todd Vasquez

Current Version: 1.2k

Price: $20

Development Status: Release

iCal Sync: Yes

QuickSilver Plug-in: Yes

Web-app Sync: No

Print Lists: Yes

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 filesystem; multiple language support.

News: Latest version includes a script for sending an e-mail to RSD from the inbox.

Developer: Hog Bay Software

Current Version: 1.0.3 (26)

Price: $19

Development Status: Release

iCal Sync: No

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: Yes

Required Applications: None

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

News: None

Developer: Cultured Code

Current Version: 0.9.1

Price: $50 (pre-release price of $40 with signup for newsletter)

Development Status: Alpha

iCal Sync: Yes

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: Yes

Required Applications: None

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

News: Those who want to serve as alpha testers may request access. Final release version will cost between $40 and $50.

Developer: Avente Pty Ltd.

Current Version: 1.2.3 (2.0e also available)

Price: Free, open-source

Development Status: Release

iCal Sync: No

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: Yes

Required Applications: None

Distinguishing Features: Cross-platform compatibility through Java; interactive collection and processing.

News: Web site now promises that the final version of 2.0 is coming soon (as of April 10, 2008).

Developer: AirBlade Software

Current Version: 1.0.13 (r22)

Price: £15 (approx. $30)

Development Status: Release

iCal Sync: No

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: Yes

Required Applications: None

Distinguishing Features: Two-panel view; single-click creation of new tasks and projects; contingent and dependent actions; time and energy requirement indices; Windows version available.

News: No longer for sale! The service and support available on their Web site is for those who already own a license. (This application will be removed for the next issue.)

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

Required Applications: None

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

News: None

Developer: Second Gear

Current Version: 3.8

Price: Free/Donationware

Development Status: Release

iCal Sync: No

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: Yes

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

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

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

Distinguishing Features: .Mac support, and AppleScriptability. Also supports file attachments and categories for lists.

News: None

Developer: Aram Kudurshian

Current Version: 1.11

Price: $6--personal; $12--family; $60--business

Development Status: Release

iCal Sync: Yes

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: Yes (through iCal)

Distinguishing Features: A system preference pane, creates a menu in the menu bar that lets you create and update your iCal tasks.

News: Not compatible with Leopard; no plans are made for a Leopard-compatible upgrade as of now.

Developer: Intuiware

Current Version: 1.4.1

Price: $20

Development Status: Release

iCal Sync: No

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: No

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

News: None

Developer: Script Software

Current Version: 3.0.5

Price: $20

Development Status: Release

iCal Sync: Yes

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: No

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

News: None

Developer: Llamagraphics

Current Version: 4.0.5

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

Development Status: Release

iCal Sync: Yes

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: Yes (through iCal)

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: Green Cog Software

Current Version: 1.0

Price: Donationware

Development Status: Release

iCal Sync: No

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: No

Distinguishing Features: Perhaps especially helpful for repetitive and redundant tasks.

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

Distinguishing Features: Is 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 setup.

News: None

Developer: Omicron Software Systems, Inc.

Current Version: 2.2

Price: $15

Development Status: Release

iCal Sync: Import from iCal only

QuickSilver Plug-in: No

Web-app Sync: No

Print Lists: No

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)

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

News: None

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

Description: A Firefox extension for GTD integration with Gmail. Pre-packaged labels, a Review process, specialized searches within Gmail, quick-entry for tasks, and printable. Current version, 1.31, is open-source; requires Firefox.

Price: Free

Description: A PHP solution designed to be locally installed. A simple tabbed interface, capture and process stages, weekly review.

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, and 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 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, and it is easy to collect and process quickly.

Price: Free

Description: Tabs for next actions, contexts, projects, and done actions; drag-and-drop organization and easy “un-doing” of tasks

Price: Free

Description: Has a Firefox plugin and a Google gadget for easy collection; also supports e-mail, voicemail, and traditional entry for collection. Includes a good overview of GTD in cooperation with their tools, as well.

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.

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. A “premium” (paid) version also includes security encryption, collaboration, file attachments, and calendaring.