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Browse free open source Libraries and projects below. Use the toggles on the left to filter open source Libraries by OS, license, language, programming language, and project status.

  • See Everything. Miss Nothing. 30-day free trial Icon
    See Everything. Miss Nothing. 30-day free trial

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  • The All-in-One Commerce Platform for Businesses - Shopify Icon
    The All-in-One Commerce Platform for Businesses - Shopify

    Shopify offers plans for anyone that wants to sell products online and build an ecommerce store, small to mid-sized businesses as well as enterprise

    Shopify is a leading all-in-one commerce platform that enables businesses to start, build, and grow their online and physical stores. It offers tools to create customized websites, manage inventory, process payments, and sell across multiple channels including online, in-person, wholesale, and global markets. The platform includes integrated marketing tools, analytics, and customer engagement features to help merchants reach and retain customers. Shopify supports thousands of third-party apps and offers developer-friendly APIs for custom solutions. With world-class checkout technology, Shopify powers over 150 million high-intent shoppers worldwide. Its reliable, scalable infrastructure ensures fast performance and seamless operations at any business size.
    Learn More
  • 1
    4tH compiler

    4tH compiler

    A Forth compiler with a little difference

    4tH is a Forth compiler with a little difference. Instead of the standard Forth engine it features a conventional compiler. 4tH is a very small compiler that can create bytecode, C-embeddable bytecode, standalone executables, but also works fine as a scripting language. It supports about 95% of the ANS Forth CORE wordset and features conditional compilation, pipes, files, assertions, forward declarations, enumerations, structures, suspended execution, recursion, include files, etc. It comes with an RPN calculator, BASIC interpreter, line editor, preprocessor, compiler, decompiler, C-source generator, a virtual machine, and a multitasking environment.
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    Downloads: 73 This Week
    Last Update:
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  • 2
    TRURL

    TRURL

    A suite of RPN calculators and a class library for Object Pascal

    TRURL is a suite of desktop calculators with reverse Polish notation (RPN) written in Object Pascal. Additionally, it comes with a free reusable class library (RPN Engine) as a toolbox for creating your own calculator. TRURL is an acronym for "TRURL is a Reusable Universal RPN Library". Class Libraries: • RPN Engine: Full-featured calculation engine for Pascal-based RPN calculators • Segmitator: Library for virtual seven-segment displays Applications: • TRURL A: Simple demo app for the RPN Engine • TRURL G: Desktop RPN calculator inspired by the UI of the DSKY unit of the Apollo Guidance Computer (AGC)
    Downloads: 12 This Week
    Last Update:
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  • 3
    rechne.exe

    rechne.exe

    Command-line calculator and libray.

    Easy-to-use command-line calculator for basic and scientific calculations.
    Downloads: 6 This Week
    Last Update:
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  • 4
    Calculates Natural Product(NP)-likeness of a molecule, i.e. the similarity of the molecule to the structure space covered by known natural products. NP-likeness is a useful criterion to screen compound libraries and to design new lead compounds. Maven dependancy: <dependency> <groupId>uk.ac.ebi.cheminformatics</groupId> <artifactId>NP-Likeness</artifactId> <version>2.1</version> </dependency> Required repository: <repositories> <repository> <id>ebi-repo</id> <name>EBI maven repository</name> <url>http://www.ebi.ac.uk/~maven/m2repo</url> <snapshots> <enabled>false</enabled> </snapshots> </repository> </repositories> Latest version of the project is available here in our GIT repo https://github.com/CS76/NP-Likeness
    Downloads: 2 This Week
    Last Update:
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  • Cloud-based observability solution that helps businesses track and manage workload and performance on a unified dashboard. Icon
    Cloud-based observability solution that helps businesses track and manage workload and performance on a unified dashboard.

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  • 5

    SGHLib C++ Library

    A Fast and Useful C++ Library for Easier Handling of Windows API.

    SGHLib Aims to be the Faster Library to Easily and Safely Access the Windows API and Other Non-Windows Extras. Contain your developments, big update incoming, which will remove all useless things, will bring more speed and templates and (maybe) a wiki.
    Downloads: 1 This Week
    Last Update:
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  • 6
    For arbitrary precision mathematics PHP offers the Binary Calculator which supports numbers of any size and precision, represented as strings. This project replicates this in JavaScript (bcadd, bccomp, bcdiv, bcmul, bcsub, etc)
    Downloads: 0 This Week
    Last Update:
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  • 7

    C_Sharp_Calculator

    RPN based calculator in C#.

    Currently, this is the first version of an RPN calculator made to be easy to implement for any C# project requiring parsing of text into calculable data. Using RPN (Reverse Polish Notation) to place strings in a specific format to allow fast processing for parsing and evaluating the string.
    Downloads: 0 This Week
    Last Update:
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  • 8

    Calcex Math Parser

    Mathematical expression parser and evaluator for .NET

    Moved to https://github.com/alxnull/calcex Calcex is a simple math parser for .NET to evaluate mathematical expressions which is developed in C#. It supports many common mathematical operations and functions and allows the user to add custom functions and variables. It is possible to evaluate double or decimal values for high precision. Calcex also includes functions for converting numbers from decimal to binary or other bases. The project includes a simple calculator and decimal-binary converter to show the functions of Calcex.
    Downloads: 0 This Week
    Last Update:
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  • 9

    OntoMetriCalc

    A Java API for measuring OWL ontologies

    OntoMetriCalc (Ontology Metrics Calculator) is a Java API for measuring OWL ontologies based on Jena.
    Downloads: 0 This Week
    Last Update:
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  • Fully managed relational database service for MySQL, PostgreSQL, and SQL Server Icon
    Fully managed relational database service for MySQL, PostgreSQL, and SQL Server

    Focus on your application, and leave the database to us

    Cloud SQL manages your databases so you don't have to, so your business can run without disruption. It automates all your backups, replication, patches, encryption, and storage capacity increases to give your applications the reliability, scalability, and security they need.
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  • 10
    antoniovandre_maxima_tools

    antoniovandre_maxima_tools

    Tools for Maxima software.

    Um conjunto de funções, variáveis e constantes para um uso mais produtivo e sofisticado do software matemático Maxima.
    Downloads: 0 This Week
    Last Update:
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  • 11
    fzcal

    fzcal

    A calculator capable of complex arithmetics

    A command line calculator capable of complex arithmetics.
    Downloads: 0 This Week
    Last Update:
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  • 12
    libunits

    libunits

    ultimative units calculation and conversion tool and library

    The ultimative shared library to do calculations(!) and conversions with any units! Includes all SI and pseudo SI units and thousands of US, Imperial and other units. 10th of thousands of typical dimensions are recognised as well. An easy API for calculations is available as well as a ncurses based calculator providing RPN and algebraic mode.
    Downloads: 0 This Week
    Last Update:
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