Self-hosting software

Git () is a distributed version control software system that is capable of managing versions of source code or data. It is often used to control source code by programmers who are developing software collaboratively.

free/libre/open source operating system inspired by BeOS and compatible with its version 5

Gambas is an object-oriented dialect of the BASIC programming language, and an integrated development environment that accompanies it. Designed to run on Linux and other Unix-like computer operating systems, its name is a recursive acronym for Gambas Almost Means BASIC. Gambas is also the word for prawns in the Spanish, French, and Portuguese languages, from which the project's logos are derived.

free compiler and IDE for Pascal and ObjectPascal

FASM (flat assembler) is an assembler for x86 processors. It supports Intel-style assembly language on the IA-32 and x86-64 computer architectures. It claims high speed, size optimizations, operating system (OS) portability, and macro abilities. It is a low-level assembler and intentionally uses very few command-line options. It is free and open-source software.

version control system designed to track changes in the source code

The Xojo programming environment and programming language is developed and commercially marketed by Xojo, Inc. of Austin, Texas for software development targeting macOS, Microsoft Windows, Linux, iOS, Android, the Web and Raspberry Pi. Xojo uses a proprietary object-oriented language.

Use of program code as part of software that can produce new versions of that same code