GP-software

General Purpose software page for ClusterGateOrg

ibiblio one of the largest program repositories (former metalab)
FSF/UNESCO Free Software Directory. The Free Software Directory is a project of the Free Software Foundation (FSF) and United Nations Education, Scientific and Cultural Organization (UNESCO). We catalog useful free software that runs under free operating systems . particularly the GNU operating system and its GNU/Linux variants.
Licenses are verified for each and every program listed in this directory.
Netlib Repository at UTK and ORNL Netlib is a collection of mathematical software, papers, and databases.
GNU Project - repository of many open source programs
Source forge site Great source of newly developed open source software
The LSB Open Standards for GNU/Linux. The LSB is an open source project to develop open standards for portable software on GNU/Linux systems. It describes a portability platform allowing compiled software to run correctly across versions and distributions.
PVM - (Parallel Virtual Machine) is a software package that permits a heterogeneous collection of Unix and/or Windows computers hooked together by a network to be used as a single large parallel computer. Thus large computational problems can be solved more cost effectively by using the aggregate power and memory of many computers. The software is very portable. The source, which is available free thru netlib, has been compiled on everything from laptops to CRAYs.
MPI The Message Passing Interface (MPI is a library specification for message-passing, proposed as a standard by a broadly based committee of vendors, implementors, and users.
SoftoDrom -- large portal for software [Windows, Linux] (mainly in Russian)
OpenNET.RU -- large site mainly about software (Web, wiki, bsd, cisco, linux, security, news, etc.) [Russian].

Programming Languages

https://www.python.org
https://www.r-project.org - R is a free software environment for statistical computing and graphics. It compiles and runs on a wide variety of UNIX platforms, Windows and MacOS.
https://julialang.org - Julia was designed from the beginning for high performance. Julia programs compile to efficient native code for multiple platforms via LLVM.
https://llvm.org - The LLVM Project is a collection of modular and reusable compiler and toolchain technologies. Despite its name, LLVM has little to do with traditional virtual machines. The name "LLVM" itself is not an acronym; it is the full name of the project.

Andrey Ye. Shevel