Browse free open source Business software and projects for Windows and Mac below. Use the toggles on the left to filter open source Business software by OS, license, language, programming language, and project status.

  • Gemini 3 and 200+ AI Models on One Platform Icon
    Gemini 3 and 200+ AI Models on One Platform

    Access Google's best plus Claude, Llama, and Gemma. Fine-tune and deploy from one console.

    Build generative AI apps with Vertex AI. Switch between models without switching platforms.
    Start Free
  • Try Google Cloud Risk-Free With $300 in Credit Icon
    Try Google Cloud Risk-Free With $300 in Credit

    No hidden charges. No surprise bills. Cancel anytime.

    Use your credit across every product. Compute, storage, AI, analytics. When it runs out, 20+ products stay free. You only pay when you choose to.
    Start Free
  • 1
    Stock exchange analysis system, featuring shares pricing watch, intraday and history charts with technical analysis indicators, level II/market depth view, news watching, automated trading systems, integrated trading. Based on Eclipse RCP framework.
    Downloads: 10 This Week
    Last Update:
    See Project
  • 2
    BSF4ooRexx850

    BSF4ooRexx850

    Makes all of Java directly available to ooRexx and vice versa.

    A powerful bi-directional ooRexx-Java bridge. BSF4ooRexx850 (bean scripting framework for ooRexx) supports ooRexx 5.0 or newer and Java 8 or newer, exploiting fully ooRexx (e.g. allowing Java methods to be implemented as ooRexx methods, supporting callbacks from Java to ooRexx), and Java. Camouflages Java as the dynamically typed, caseless and easy to use ooRexx: one can simply interact with any Java object and any Java class using ooRexx messages!
    Leader badge
    Downloads: 6 This Week
    Last Update:
    See Project
  • 3
    A JavaPOS application for testing JavaPOS devices
    Downloads: 5 This Week
    Last Update:
    See Project
  • 4
    This Is A Small Little App I Wrote In Java That Can Calculate CPU Ghz off of the FSB Multiplier and Company(Intended For Overclockers)!
    Downloads: 1 This Week
    Last Update:
    See Project
  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
    Start Free
  • 5
    The IPDR.org reference libraries encode and decode IPDR usage documents in either XML or the binary format. Libraries are available in C and Java.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 6
    PHP based CMS system which is designed to run on any PHP capable web-server Features: - No own templating language - No cryptographic urls (urls will follow menu structure) - XHTML 1.0 Strict, CSS 2.1 compliant - Follow WAI suggestions - I18n
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    Little program that calculates maintenance, surplus, and defecit caloric levels using three methods, quick based on weight, katch based on bodyfat, harris, based on age, weight, and height..
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    C-Vend is a PHP & mySQL based online store application. cShop aims to provide an easy to manage, fully customizable, and robust store management system.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    CODE is Code Development's process. A set of values, principles and practices to assist you around the process of software development.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8 Monitoring Tools in One APM. Install in 5 Minutes. Icon
    8 Monitoring Tools in One APM. Install in 5 Minutes.

    Errors, performance, logs, uptime, hosts, anomalies, dashboards, and check-ins. One interface.

    AppSignal works out of the box for Ruby, Elixir, Node.js, Python, and more. 30-day free trial, no credit card required.
    Start Free
  • 10
    Accounting application based on web, for management of cash flow (incoming and outgoing money). The level of complexity of this appplication is medium. The software language default is spanish, but all collaborators in english are admitted
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    CartoReso intends to facilitate enterprise computer network mapping.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 12
    CEM (Catalog Extended Managment) is a application to import Catalog informations based on BMECat oder XCBL format from systems like SAP CRM/R3. CEM is plugin based and offers serveral export plugins including an generator for html based offline catalogs.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    A distributed Java implementation of the VISA 3-D Secure(tm) Merchant Server Plug-in (MPI) that allows e-commerce web site to perform payment authentication operations for Internet purchases.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    DoNGO (Do for NGO) is an accounting program for NGO's. The software is the only software for now that fit in with FASB Statement No.177 and PSAK No.45 (Indonesian) for NGO.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    Dynagraph is a cross-platform library and command-line tool for dynamically drawing graphs (networks, flowcharts, family trees, etc.) in reponse to continual modifications. Included are DynaDAG for directed graphs and FDP force-directed placement.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    Dynagraph for Grappa is a Java front-end for the Dynagraph graph layout engines. It supports direct manipulation (graphical editing) of graphs, as well as text-driven display of dynamic graphs.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    EclipseQuote is a plugin for the Eclipse IDE that allows one to monitor a portfolio of stock quotes. It works by displaying stock quotes in an eclipse view. New stocks can be added, and prices updated, with one click.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    Expr4J aims to provide a general purpose expression parser, which is also compatible with Microsoft Excel. It will provide an implementation of the built in functions in MS Excel as well as a calculation engine.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    FastGEO is a computational geometry library written in the object pascal language.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    Glancer is a RIA for conference participants to schedule participation and find people who share similar interests. Cross platform, web based and amazingly easy to use!
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    GrALoG is a tool for editing and visualising graph-like-structures and the results of algorithms running on them. Through it's plugins GrALoG is hugely extendable, i.e. plugin-developers can define their own graph-like structures and algorithms.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    Grayscale SDMS is a simple document management system which allows for the upload and browsing of multiple file types. Includes access control for multiple users as well as download counts, and user management
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    HTMLtools includes several Java HTML tools for preparing Web pages. The HTMLtools program automates batch conversion of tab-delimited spreadsheet text files to HTML Web-page files, file & table editing, keyword mapping, templates, and more.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    Tool assitant to help in Stock management
    Downloads: 0 This Week
    Last Update:
    See Project
  • 25
    The IBTools project consists of tools that aid in controlling the Interactive Brokers Trader Workstation (TWS) and simplify programming third party trading applications that use the TWS.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • 3
  • Next
MongoDB Logo MongoDB