SAP BW development transaction codes such as RSA1, RSA5, SBIW..

SXMB_IFR
Exchange Infrastructure tools including Integration Directory(Design) and the Integration Repoitory (Configuration)

SXI_CACHE
Used to clear cache after changes have been made in design and configuration sections

SXMB_MONI
XML Message Monitoring

SXI_ADM
Administration Console

SM59
SAP and PI RFC Connection Maintenance