LegUp is an open source high-level synthesis tool being developed at the University of Toronto. The LegUp framework allows researchers to improve C to Verilog synthesis without building an infrastructure from scratch. Our long-term vision is to make FPGA programming easier for software developers.
New: LegUp 4.0 has just been released!
LegUp 4.0 (Aug 17, 2015)
The video below presents an overview of the LegUp project.