When comparing Task Coach vs TagSpaces, the Slant community recommends TagSpaces for most people. In the question“What are the best offline to-do list apps for Windows?” TagSpaces is ranked 16th while Task Coach is ranked 17th. The most important reason people chose TagSpaces is:
TagSpaces is free and open source making it easily extendable with the help of extensions.
Specs
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Pros
Pro Free and open source
With access to the source code, savvy users can make under-the-hood tweaks to suit their work style.
Pro Unlimited nesting of items and lists
When things grow in complexity, their parts can be turned into discrete task items within a hierarchical structure.
Pro Tracks hours and budget
Task Coach allows you to track how long it actually takes to complete a task and can be used to analyze the resulting impact on billing and budget.
Pro Tracks percent finished
Pro Open source
TagSpaces is free and open source making it easily extendable with the help of extensions.
Pro Your can choose your cloud file storage
Using only files and no databases let's you make the decision with which cloud file sync service to use, making sure your notes are made available on other devices and platforms. It works great with Owncloud, Nextcloud, Dropbox or Google Drive.
Pro No web service or database lock in
The backend is simply the directory and file structure on your harddrive.
Pro No cloud
TagSpaces is running completely offline, sending no data to any cloud based service, unlike many Evernote alternatives.
Cons
Con No updated package for recent linux distros
deb package available to download does not install app
Con Multiple users can access a file over a network, but there’s no web-based interface for straightforward collaboration
A task file may be opened by several instances of Task Coach, either running on the same computer or on different ones (on a network share for instance). When you save, Task Coach will merge your work with whatever has been saved on the disk prior. Conflicts are automatically resolved, usually by you winning the conflict.
This serves two use cases: 1) A single user opening the task file on several computers (work, home, laptop) and 2) several users working on the same task file.
The first case is the most common and the most secure. The second case may be dangerous. Most network disk sharing protocols do not support the kind of file locking that would make this 100% secure. A list of common protocols and their behavior can be found in the Task Coach help file.
Con It renames your files in order to tag them
The positive side of this drawback is that this way the tags are easily transferred to other platforms by simply syncing them.
Con Setup could be more user-friendly
