Similar to Ninja_(ソフトウェア)

Armadillo (C++ library)

Asymptote (vector graphics language)

AutoDock

AutoHotkey

Boost (C++ libraries)

CatBoost

CrypTool

Ddrescue

DOSBox

Fluxbox

Fuchsia (operating system)

G'MIC

Geant4

Genode

Ghidra

Gmsh

GParted

Graphite (smart font technology)

HotSpot (virtual machine)

K Desktop Environment 2

Lean (proof assistant)

LibreCAD

Lightspark

LLDB (debugger)

LMMS

LyX

Mapnik

Marble (software)