Similar to Code::Blocks

Graphite (smart font technology)

GRPC

HotSpot (virtual machine)

K Desktop Environment 2

Ladybird (web browser)

Lean (proof assistant)

Lightspark

LLDB (debugger)

LMMS

LyX

Marble (software)

Mir (software)

Mozilla Application Suite

Ninja (build system)

Nix (package manager)

Node.js

NoteEdit

Ocrad

OGRE

Open Babel

OpenJDK

OpenOffice.org

Phonon (software)

Phusion Passenger

PLUMED

Point Cloud Library

Poppler (software)

POV-Ray