ATasm is a 6502 command-line cross-assembler.
The regex-centric, fast lexical analyzer generator for C++
HAC Ada Compiler - small Ada compiler fully in Ada
Bluespec Compiler (BSC)
Compiler infrastructure and toolchain library for WebAssembly
A high-performance, zero-overhead, extensible Python compiler
A familiar and performant compile time CSS-in-JS library for React
Mirror of the Glasgow Haskell Compiler
Opal is a Ruby to JavaScript source-to-source compiler
The zero configuration build tool for the web
A small C compiler
A bundler for Javascript and friends