Delphi : VRCalc++ OOSL & + (Paged List, TextEditor, VRAstroVision ...)
DPDL (Dynamic Packet Definition Language) is a small framework library
Dyalect is a programming language for .NET Core
eXist-db is a feature rich Open Source native XML database
A BASIC interpreter and compiler with graphics.
Emulator of the ancient 8 bit microprocessor SC/MP 2
A free, cross-platform emulator for GW-BASIC, PCjr & Tandy BASIC
BASIC-like language interpreter for embedded systems
A free cross platform command prompt
R7RS Scheme scripting engine
Implements the stable model semantics without grounding.
Relational Database Management System
JavaScript/XML engine for Apache
Embeddable scripting runtime for live behavior, AI, and automation.
BASIC language interpreter (multiplatform)
Perform dynamic tunings for realtime music.
A Java VM for ARDUINO and other micros using the leJOS runtime.