IBM DevOps Code ClearCase vs. OpenText AccuRev

Rational ClearCase is well suited for a company where development is done from one single location and there are a lot of dependent projects, systems or modules that need to be version controlled. Especially good for a company that creates customized software for clients. Well suited for disciplined development environments. Waterfall methodology mentality seems a better fit for ClearCase than Agile.

ClearCase is not well suited for companies that have development geographically distributed and using Agile Methodologies.

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This is one of the best version control tools I have used.

Incentivized

• Rational ClearCase is excellent for handling versioning and branching. No other tool I've used has the depth that ClearCase has when it comes to handling complex branching scenarios and identifying where certain versions of particular files are within a particular configuration.
• Rational ClearCase handles parallel development of many dependent applications really well.
• The use of ClearCase Views to switch between projects and configurations is extremely convenient as opposed to the local workstation model of the competitors.

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• Creation of streams & workspaces are easy.
• Easy integration with other bug tracking or tasking tools like JIRA.
• File comparison and history is possible.
• Project creation and setup is easy.

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• Extremely buggy.
• Sometimes the repository gets locked for no reason.
• Slow.

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• The tool allows duplicate file name, if both are present in different directories. This creates confusion if multiple people are working on the same file. It should at least produce a warning.

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I give it this rating because I found an alternate application that is much more cost effective and quicker

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GIT Stash is superior to IBM Rational ClearCase in many ways. Bundled with SourceTree, the UI is far more modernized and updated than IBM Rational ClearCase. Being able to visually see the individual branches that are created within the repository is much more straightforward than the versioning method of ClearCase. GIT also seems to be a lot faster when it comes to checking in/out code and creating the repository.

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In my view, accurev ranks very low compared to other tools I have used. Microsoft TFS is the best in the industry as of today as it's a complete ALM solution. It does code version, bug tracking, user story documentation, and has easy integration with other external tools supporting many languages. So I would definitely recommend TFS to anyone.

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• Managed code versioning for many years.
• Only one person can edit code at a time - slows processing down.
• IBM is an expensive product to support.

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• Quick merging.
• Easy to roll back changes.
• Good tree view.

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