Compare cores
Up to four cores side by side: maturity, license, tests and activity.
| Attribute | OpenRISC or1200 | VexRiscv | BlackParrot | Ibex |
|---|---|---|---|---|
| Maturity | M2 · Simulation-tested | M2 · Simulation-tested | M2 · Simulation-tested | M2 · Simulation-tested |
| License | No license found | MIT · Commercial-friendly | BSD-3-Clause · Commercial-friendly | Apache-2.0 · Commercial-friendly |
| Language | Verilog | SpinalHDL/Scala/Verilog | — | SystemVerilog |
| Tests | yes | yes | yes | yes |
| CI | — | yes | yes | yes |
| Formal | — | — | yes | yes |
| FuseSoC | — | — | — | yes |
| Activity | updated 11 years ago | updated 10 days ago | updated 1 day ago | updated 2 days ago |
| Boards | — | — | — | — |
| Interfaces | — | — | — | — |
| Category | CPUs and compute | CPUs and compute | CPUs and compute | CPUs and compute |