The 2019-2020 NASA Software Catalog offers hundreds of new software programs you can download for free to use in a wide variety of technical applications.
Cprogramming.com is a web site designed to help you learn the C or C++ programming languages, and provide you with C and C++ programming language resources.
This list catalogs freely available software for language tools, which includes the following: compilers, compiler generators, interpreters, translators, important libraries, assemblers, etc. -- things whose user interface is a language.
Walkthroughs provided by the Visual Basic Developer Center at MSDN. Also provides a list of web sites and forums to help find answers to common problems.
The Java Tutorials are practical guides for programmers who want to use the Java programming language to create applications. They include hundreds of complete, working examples, and dozens of lessons.
PHP is a widely-used general-purpose scripting language that is especially suited for Web development and can be embedded into HTML. If you are new to PHP and want to get some idea of how it works, try this tutorial.
PL/SQL (Procedural Language/Structured Query Language) is Oracle Corporation's procedural extension language for SQL and the Oracle relational database.