Helpful tools for developers
Since we all target the same problems, we probably could use the same or similar tools for writing extensions. Yes, i know that some tools are specific to operating systems. We try here to collect a list of wonderful extension development-tools which make your and our job as TYPO3 professional easier.
Eclipse with PHP Eclipse or Eclipse PHP IDE Project
Fully functional IDE´s for the developer
Have your code versioned, be ready for teamwork. TYPO3 is developed with the help of subversion.
For those who loved the midnight commander and want to use the keyboard as much as possible, even on windows.
Glorious! symlinks can also be done on windows systems, if you have NTFS file system.