| A double framework featuring a selection of double techniques and a terse syntax | |
| https://rr.github.io/rr | |
| rr-3.1.0 | MIT |
| download~alpha ~amd64 ~arm ~arm64 ~hppa ~ppc ~ppc64 ~riscv ~sparc ~x86 | vowstar |
| rr-3.1.0 | MIT |
| download~alpha amd64 arm arm64 ~hppa ppc ppc64 ~riscv sparc x86 ~amd64-linux ~x86-linux ~ppc-macos ~x64-macos ~x64-solaris | gentoo |