Similar to Ren'Py

Avahi (software)

Bhyve

Box2D

C-Store

Cacti (software)

Cdb (software)

Checkstyle

Chrony

CMU Common Lisp

Code::Blocks

Couchbase Server

Cytoscape

DVD Flick

Elasticsearch

Enlightened Sound Daemon

ERP5

Euler Mathematical Toolbox

Evernote

Exa (command-line utility)

Fetchmail