MPICH
| MPICH | |
|---|---|
| Stable release | 4.3.0
   / 3 February 2025 | 
| Repository | |
| Written in | C99 | 
| Operating system | Linux, macOS, others. | 
| Standard(s) | Message Passing Interface | 
| License | MPICH license (permissive) | 
| Website | mpich.org | 
MPICH, formerly known as MPICH2, is a freely available, portable implementation of MPI, a standard for message-passing for distributed-memory applications used in parallel computing. MPICH is Free and open source software with some public domain components that were developed by a US governmental organisation, and is available for most flavours of Unix-like OS (including Linux and Mac OS X).