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Editorial Team
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Asked: 2026-05-22T00:49:27+00:00

I find that browsing source code of open source libraries being used in projects

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I find that browsing source code of open source libraries being used in projects is invaluable. Unfortunately, I find this difficult when developing with ruby on rails. I am accustomed to working inside IDE’s that allow me to jump to the definitions of symbols, regardless of whether they are part of an external library.

I use Aptana Studio 3 on Mac OS X to develop, but would be willing to change IDEs for this feature.

I have explored https://github.com/fnando/gem-open as an option, but have yet to find a good editor to integrate this with. Can anyone recommend one? Anyone else have a good method for browsing the sources of gems?

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1 Answer

  1. Editorial Team

    Aptana Studio 3 has a command line launcher: studio3.

    Add the following to your ~/.bash_profile:

    export PATH="/Applications/Aptana Studio 3:$PATH"
export GEM_EDITOR="studio3"

    Reload your existing shell environment: . ~/.bash_profile and then you can use gem-open with your preferred editor: gem open rails

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