CRM C# Clear Filters

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

  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
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  • Picsart Enterprise Background Removal API for Stunning eCommerce Visuals Icon
    Picsart Enterprise Background Removal API for Stunning eCommerce Visuals

    Instantly remove the background from your images in just one click.

    With our Remove Background API tool, you can access the transformative capabilities of automation , which will allow you to turn any photo asset into compelling product imagery. With elevated visuals quality on your digital platforms, you can captivate your audience, and therefore achieve higher engagement and sales.
    Learn More
  • 1
    Onfinity All-in-One ERP

    Onfinity All-in-One ERP

    Onfinity is a modern, AI driven All-in-One ERP

    Onfinity (formerly Vienna Advantage) is a modern and future oriented ERP developed in C#.Net, jQuery, PostgreSQL and React Native Mobile app. Functional Details at: https://www.onfinity.io/erp-editions-comparison.php Open Source Modules: - Finance - Budgeting - Order Management - Asset Management - HR Management - Project Management - Customer Relationship Management - eCommerce and more Based on a No-Low Code Framework, Inbuilt Workflow Editor, Report Writer and more, it comes with an excellent Architecture. Community comes with Free community support, Access to Market with all Updates and Patches and implementation tools.
    Downloads: 28 This Week
    Last Update:
    See Project
  • 2
    OpenCBS

    OpenCBS

    Core Banking System for Microfinance

    Note that OpenCBS Desktop is not developed anymore, it was replaced by OpenCBS Cloud in 2019. You may still download and use the Desktop version for free, but no support can be provided. If you would like to request a Free Trial of OpenCBS Cloud, please follow this link to our website: https://opencbs.com/request_cloud/ OpenCBS Desktop is an open-source Core Banking System developed primarily for microfinance institutions and smaller financial institutions It is built around a robust core extensible through plugins. The core includes user and client management, loan schedule generation, loan tracking, repayment management, savings tracking, reporting. It can be easily integrated with external agents like accounting software, POS terminals, web services, etc.
    Downloads: 20 This Week
    Last Update:
    See Project
  • 3
    OpenPetra

    OpenPetra

    Free Administration Software for Non-Profits

    OpenPetra is an administration software for charities and can be used to manage personnel, supporters, book keeping, gift receipting, accounts payable, etc.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 4
    customer-manager

    customer-manager

    Windows desktop graphical application to manage customers.

    Windows desktop software whose the principle is to manage a customer list from a local database (Microsoft Access) and to create spreadsheets (CSV, ODS & XLS files) which contains customers from the database.
    Downloads: 4 This Week
    Last Update:
    See Project
  • MongoDB 8.0 on Atlas | Run anywhere Icon
    MongoDB 8.0 on Atlas | Run anywhere

    Now available in even more cloud regions across AWS, Azure, and Google Cloud.

    MongoDB 8.0 brings enhanced performance and flexibility to Atlas—with expanded availability across 125+ regions globally. Build modern apps anywhere your users are, with the power of a modern database behind you.
    Learn More
  • 5
    CRM für Kleinbüro und Heimbüro mit Schwerpunkt auf Verwaltung von Personenprofilen. Geeignet sowohl private Arbeitsvermittler und Arbeitslosen-Initativen, als auch für Fundraising, Wohnungsmarkt, HelpDesk/Hotline und mehr... Wichtige Mitteilung: An diesem Projekt arbeiten wir seit 2010 nicht mehr. Support-Anfragen werden nicht mehr beantwortet.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 6
    Orange Leap (formerly MPowerOpen) is the first full-feature open source constituent relationship management (CRM) software built specifically to grow nonprofit organizations of all shapes and sizes.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 7
    Quoter

    Quoter

    Create perfect quotes quickly and easily everytime

    Quoter is an application developed to help all the small and medium sized businesses out there who are still struggling with hand written, or copy / paste quotations for their clients. This is slow and inefficient for even a small number of quotes. Rather use Quoter and get a uniform look and feel as well as speeding up the process of quoting. Your sales staff will love the application and the results will not take long to shine through as your new and professional image attracts more customers to your thriving business. This Software is written to be used in any business, big or small. If you're selling something, this is the software for you. Customized quotations, with the simplicity of simply clicking on what you want on the quote.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 8
    console-application

    console-application

    Windows desktop console application to manage customers.

    Windows desktop software only with a terminal whose the principle is to manage a customer list from a local database (Microsoft Access) and to create spreadsheets (CSV, ODS & XLS files) which contains customers from the database.
    Downloads: 2 This Week
    Last Update:
    See Project
  • 9

    DocumentBurster

    Report Delivery. Report Distribution. Report Bursting. Email & FTP

    DocumentBurster is a powerful report delivery software which can break up reports such as invoices, statements, purchase orders, commissions reports or dunning letters in order to distribute relevant parts to each of your clients, subscribers, partners or vendors. DocumentBurster can process PDF and Microsoft Excel reports and will naturally complement and extend your current business intelligence solution. Report bursting software which works with any reporting software including Crystal Reports, Microsoft Access, Microsoft SQL Server Reporting Services, IBM Cognos, Oracle Hyperion and QlikView Easy to integrate report splitting and report distribution capabilities into existing in-house built legacy software or with systems such as SAP ERP, Oracle Applications, Sage, Microsoft Dynamics, PeopleSoft, JD Edwards, MYOB or QuickBooks accounting software.
    Downloads: 3 This Week
    Last Update:
    See Project
  • Deliver secure remote access with OpenVPN. Icon
    Deliver secure remote access with OpenVPN.

    Trusted by nearly 20,000 customers worldwide, and all major cloud providers.

    OpenVPN's products provide scalable, secure remote access — giving complete freedom to your employees to work outside the office while securely accessing SaaS, the internet, and company resources.
    Get started — no credit card required.
  • 10
    Church Management Software for small churches. Allows churches to track their members, Small Groups and Contributions. Designed to be a full featured Church Member Management System with some CRM and ERP and a full security system.
    Downloads: 3 This Week
    Last Update:
    See Project
  • 11
    Hubspot Sync Contacts Tool

    Hubspot Sync Contacts Tool

    Integration tool to migrate & update hubspot contacts.

    Updating your CRM can be a hassle. While moving from one Hubspot account to another, it is important that data flows without any problems. And this tool is the perfect solution. It enables smooth integration of any engagements (emails, notes etc.) made with contacts with another Hubspot account (assuming both source & destination contacts already there). Easy, flexible to use. Migrate tons of contact engagements with a single click. Feel free to visit our page for more info.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 12
    Tustena CRM is an Enterprise-Class Customer Relationship Management server written in C# for the .NET platform with many advanced features like Companies/Leads/Contacts Manager, Calendaring, Groupware, Email Marketing, Reporting, Orders, Catalogs, etc.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 13
    Next generation web-based, multi-tenant, distributed, mulit-lingual, inbound, outbound Video enabled VoIP & VVoIP call/ contact center solution for Asterisk with Built-in phone, IVR, CRM, Predictive dialer, ACD, Chat, Mail, Fax, Video and other features.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 14
    CiviSync
    CiviSync is an Outlook synchronization module for CiviCRM. Currently in its Beta state the biggest limitation of CiviSync is that it doesn't have any authentication built in. We have plans of extending it further and hope to have other features soon
    Downloads: 1 This Week
    Last Update:
    See Project
  • 15
    The Humano2 platform allows to create business applications ranging from CRM, Help Desk, ERP to Collaboration with a visual modelling environment. The platform is build using a meta-data-architecture and its design supports multiple DBs
    Downloads: 1 This Week
    Last Update:
    See Project
  • 16
    IS Manager is a good program for inventory and accounting managment with offline support clients is Win, Linux and Web are under development
    Downloads: 1 This Week
    Last Update:
    See Project
  • 17
    Project to maintain factory necessaries.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 18
    ObjeGts is a management system for small companies (typically 1-3 employees). Features planned for version 1.0 are: management of customers, products, orders and invoices. ObjeGts has a graphical user interface and runs on Linux and Windows.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 19
    PSFGeneric: Solución CRM / ERPCraft
    PSFGeneric nace con el objetivo de unificar todos los procesos y gestiones de una empresa en una sola aplicación. Su arquitectura software permite la integración de sucesivos módulos de gestión y la interconexión entre todos ellos a modo de servicios internos.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 20
    Qualis SugarCRM

    Qualis SugarCRM

    Complemento de Outlook 2010 para SugarCRM

    Este complemento de Outlook 2010 para SugarCRM permite la creación de objetos de SugarCRM desde Outlook y la sincronización.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 21
    This project is a complete suite for companies to manage their Customer Base, Routing, Inventory, AR, Ticketing, and other management items related to the fields of Waste Management, Propane, Concrete, Harzard, and Petrol.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 22

    SplendidCRM Community Edition

    SplendidCRM is like SugarCRM but designed specifically for Windows

    SplendidCRM was specifically designed for users of all versions of Microsoft Windows. The CRM has all the core features expected in a modern CRM including sales automation, email campaigns, product support and calendaring. SplendidCRM was inspired by SugarCRM and tends to follow their database schema to make it easy to migrate between the platforms. We provide 32-bit and 64-bit installers and the app runs on XP, Vista, Windows 7, Windows 8, Windows Server 2003, Windows Server 2008, Windows Server 2012, SQL Server 2005, SQL Server 2008 and SQL Server 2012. For developers, we provide all the C# ASP.NET source code as well as the SQL source code.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 23
    Develop/implement successful sales and marketing campaigns: monitor and manage customer health, address deviations in customer behaviors, capitalize on trends in customer sales activity, anticipate areas of greatest customer potential sales growth
    Downloads: 1 This Week
    Last Update:
    See Project
  • 24
    UniTrader

    UniTrader

    Trade multiple financial products from one advanced online trading

    UniTrader offers Global Brokerage Accounts and instant access to financial instruments around the world such as Stocks, Financial Sectors/ETFs, Indices, Currencies and Commodities. Whatever and wherever a customer wants to trade, UniTrader Brokerage Account and our trading platforms offer unparalleled accesses to the most liquid financial instruments in the world. UniTrader clients can trade the most well-known and most liquid financial products from a single screen through the UniTrader Brokerage Account. Our team of customer service specialists is constantly available to provide personal support to each and every customer.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 25
    Simple! web based contact and lead management system. .NET development.
    Downloads: 1 This Week
    Last Update:
    See Project
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