Open Source C# CRM Software

OpenPetra is an administration software for charities and can be used to manage personnel, supporters, book keeping, gift receipting, accounts payable, etc.

Onfinity (formerly VIENNA Advantage) is a free and open source ERP and CRM, built for manufacturers and used well beyond them. The community edition, Pluto, is the same code as the paid editions. No user limit, no time limit. Licence: EPL. In the package: accounts (ledger, receivables, payables, bank, budgets, several companies and currencies); purchase (requisition, RFQ, order, receipt, landed cost); sales and CRM (quotation to invoice, price lists, quantity discounts, leads); stock (warehouses, bins, batches with expiry, min/max, transfers); manufacturing (multi-level BOM, work orders, MRP, make to order); projects; HR (employees, leave, attendance). Low-code Application Dictionary, dashboards, mobile app, Onfinity Market. C#/.NET on IIS, HTML5 client, PostgreSQL 12+ or Oracle 12c+. Not in the free edition: hosting, support desk, payroll, country tax modules, AI assistant, DMS. Register free for manuals, videos, training and 30 days' support: login.onfinity.io/register.aspx

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.

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.

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.

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.

METHIS /data.mill for Excel is a convenient way to cleanse, correct and enrich personal data of your customers and prospects directly in your Microsoft Excel. Simply mark all data you want to process, right click on them and choose your preferred function. The data will be processed in the blink of an eye and the result is written next to the origin data. Key Features: - check and enrich postal addresses (worldwide) - recognize the gender based on the first name - check the spelling and mail server of email addresses - check and unify phone numbers - resolve information of companies within the European Union - check your records for duplicate entries - split first name and last name - capitalization of names - and more easy-to-use functions ======================================== All functions included in the Excel Add-In are available as API to enable the implementation in custom solutions: https://gateway.methis.at

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.

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.

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

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.

SugarRestSharp is a .NET C# SugarCRM CE 6.x API client. It is a Restful CRUD client that implements the SugarCRM module Create, Read, Update and Delete functionalities. SugarRestSharp implements following SugarCRM REST API method calls: oauth_access, get_entry, get_entry_list, set_entry, set_entries.

mSeller is a mobile application for concluding agreements, keeping info about clients and goods. Program is targeting Windows Mobile 6 and may be useful for various business fields. Written using C#, .Net Compact Framework 3.5 and SQL Server Compact.

Simple! web based contact and lead management system. .NET development.

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VsidaSoft Attendance System Based on C #. NET development of the system, checking system is in place. Support for multiple databases, including SQLServer, SQLite, Access, Oracle.

This aims to be a complete CRM written in C# ; It will contain reusable modules that can be extended freely; This project is built u .net framework it uses any database that supports the ODBC; it will work on any OS that supports .NET

A joint development between authorities in Wales to produce a common, open, CRM project. This project is based on the closed-source Microsoft Dynamics platform but is itself licensed under GPLv3

This is a framework for developers of the SAP Business One ERP CRM solution.It enhances the development process because annoying steps you have to do while making a GUI for B1 are already done. It also works with the B1DE and you can use any .net languag

DotNetCRM is an enterprise class CRM built using MS.NET. It is designed to be extensible, configurable, database agnostic, and includes a well-documented C# API.

Dyonosos is a .NET client for SugarCRM. Its features off line capabilities, • Multithreaded, UMPC User interface. Target are sales and service people that are on the road not always connected.

Educational Business Administration System A program used to administrate students, their courses and grades. The application is non-webbased and it is made with C++ and ATL. MSDE is currently the database that is used, when storing data.

EmoContact is an Open Source contact management system, intended to be consumed as a module by other systems.

A free Point of Sales (POS) application suite for windows.

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