OK I give up. There are a bunch of features I have been carrying around in my head for a killer task tracking application for a while now, hoping one day to be able to implement it. I now realise that I am unlikely to ever get the time to develop this software and that I really want these features now so here they are, free for anyone to implement. If you want to give me credit or even some renumeration then I’m not going to say no but that is not a requirement for using these ideas. Here is my list:

1. Predecessors and Successors. Mostly what I want is to reduce my list of outstanding tasks to only those that I can work on at the moment so the whole list doesn’t freak me out so much. By filtering out tasks that have unfulfilled prerequisites I can reduce the list to those tasks that I need to get done so as to allow the successor tasks to be achieved.
2. The ability to split tasks. Often when doing GTD you realise that the task you have set down is not granular enough and that you need to split it into sub tasks in order to make them next actions. I want the ability to easily split a task and for all of the predecessor and successor information with other tasks to adjust accordingly.
3. Resources Rather than Contexts. GTD, because it was envisaged for paper based tracking systems, allows tasks to be placed into a single context, the idea being that you look at all of the tasks that can be done in any context you are in and do those. This is a way of reducing the task list. I find that I have tasks that can be done in multiple contexts. I can make phone calls anywhere I have a phone which is everywhere these days, not just in a specific context. In thinking about this I realised that tasks depend on resources and that contexts have resources available. Resources can be something you will need to do a task, such as a phone or an internet connection; a person; a specific place or something less tangible such as work time or personal time. Contexts have a set of resources associated with them. It is the match between resources required and resources available that determines what tasks you can do in a context. For example on the bus on the way in to work I have a phone, personal time and an iPod but I don’t have a privacy resource. Resources could be modeled using tags but there would need to be a way to filter for tasks containing multiple tags to represent the contexts.
4. Task Urgency Value. GTD abhors the use of task priority to determine which tasks to do next but it also introduces the idea of a tickler file for tasks that need to be done on certain days. This doesn’t allow enough flexibility for me because I have some tasks that have a hard date and some tasks that can be more flexible. For example I have a meeting every Monday that I need to have prepared for by that date but if it has been more than a week since I have vacuumed my floors one more day won’t hurt too much. My idea is this: introduce a task urgency value which gets calculated based on the date when something ought to be done and how hard that date is. Urgency should be calculated using some sort of mathematical function like an exponential function so that the closer the date the higher the urgency gets. Urgency would increase slower for softer target dates and faster for harder target dates. In this way tasks that need doing first would automatically bubble to the top.
5. Task Templates. In life there are situations that occur that will cause the same set of tasks to occur over and over again. For example my checklist for things I need to bring to my life group meeting. I would like the ability to have that list of tasks to be added to my task contexts automatically using a template prepared earlier. This would save me time and make sure that everything is covered.
6. Repeating Tasks. I want the ability to have a task or a group of tasks via a template repeat. For example tasks around the house need to be done periodically so if I have cleaned the bathroom for this week then I want a new task to remind me to it again in a week’s time. Fly Lady has built a business on this very concept. The new task shouldn’t be added until the first task is completed. Ideally this should be combined with task urgency values to allow some flexibility as to when tasks are completed. Update: There is an application called Sciral Consistency that does this. it doesn’t integrate with anything (such as RememberTheMilk) but they are on the right track.
7. Add Tasks From Everywhere. I want to be able to add tasks from everywhere and have them pop up in a holding area ready for me to review and categorise them. I want to be able to tag sites in del.icio.us with special tags to remind me to follow up (RSS?). I want to be able to SMS, email and IM tasks (Imified?). I want to be able to add tasks somehow from my phone and my PDA.
8. Get Task Lists From Everywhere. I want to be able to get my task list from any device I have, my PDA, my phone and any PC I happen to be on.
9. Wait List Tasks. I want to be able to delegate a task to someone and have it disappear from my active task lists but I then want it to pop up again to remind me to follow up that person automatically. A threshold based on task urgency value might be appropriate or, more simply, a number of days before a due date.

Any or all of these ideas could be implemented independently although some of them obviously have synergies between them.

So how about it? Can anyone pick these features up and run with them?

For more information I can be contacted either via the comments or via the temporary email address (20 emails only) taskideas.20.yellek@spamgourmet.com.