When comparing Lean Testing vs Phabricator, the Slant community recommends Phabricator for most people. In the question“What are the best free bug-tracking tools for programming? ” Phabricator is ranked 5th while Lean Testing is ranked 11th. The most important reason people chose Phabricator is:
Phabricator is completely free and open source. It's source code is hosted on [GitHub](https://github.com/phacility/phabricator/).
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Offers a hosted version, which is very helpful if you want to avoid the time and energy it takes to host a bug tracker on your own internal server.
Pro Slack integration
Can easily be integrated with Slack.
Pro Free unlimited projects & team members
Lean Testing is free for an unlimited number of team members or projects.
Pro Test plan manager
Includes a manager for testing plans.
Pro Free and open source
Phabricator is completely free and open source. It's source code is hosted on GitHub.
Pro Actively updated
Phabricator is quickly improving, with bug fixes and new features added often. There is an update to the changelog every couple of weeks.
Pro Built-in Wiki and pages support
Pro Bug tracker is included
Includes a bug tracker out of the box. Allows for managing bugs, creating issues, commenting on them and closing them.
Pro Built-in Q&A platform - Ponder
Instead of having to have separate Q&A tool, there's Ponder which takes out the hassle.
Pro Supports the three major version control systems
Support for Git, SVN and Mercurial is available.
Pro Super flexible bussiness rules (Herald)
Pro Able to review graphical asset changes as well as code.
Pro Code ownership
Users can subscribe to files or even repositories and notifications will be sent when code you are subscribed to is changed.
Pro Command Line Access (via arc)
Pro Able to track design mockups
You can track not only code bud also design mockups.
Pro Built-in voting
You can create voting in an instant and need not to rely on external tools.
Pro Built-in blogging platform
There's a great platform which you can use to post stuff, or use as an internal blog, dev blog, release anouncement place and many others.
Pro Fine grained access control
With using Spaces and Project and custom policies you can have any combination of access to any object inside of your own Phabricator instance.
Pro Built-in Chatrooms
Pro Able to manage legal agreements for open source projects
Pro Designed by software engineers for software engineers
The engineering workflow is far superior to Github style branching and merging. Phabricator separates local representations of the repository from remote, which enables a variety of workflow optimisations, like stacked diffs on a single branch.
Pro Fully customizeable workboard
You can configure your workspace to deal with tasks, bugs, todo's, etc.
Con Not very popular
Since it's not a very popular solution, there are not as many guides and resources for this out there. Plus, there's also a greater risk of it shutting down one day than other, more popular issue trackers.
Con Difficult to configure
Compared to a solution like Bitbucket Server (granted Phabricator offers more options), it is difficult to configure. Settings are scattered everywhere and you must drill down through several screens to find some of them. Documentation is very complete but also not always in parity with the application itself.