Rowley Associates Ltd.

Free
CrossWorks for MSP430 offers a complete and cost-effective solution for programming the MSP430 family of microcontrollers...
Free
CrossWorks for MAXQ30 is a complete development solution for low-power microcontrollers in the MAXQ30 family, from initial design to final production.
Free
CrossWorks for AVR is a cost-effective solution for programming AVR microcontrollers, from the smallest to the largest, including the AT90 series.