Best Open Source CRM Software 2025

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

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Gen AI apps are built with MongoDB Atlas
The database for AI-powered applications.

MongoDB Atlas is the developer-friendly database used to build, scale, and run gen AI and LLM-powered apps—without needing a separate vector database. Atlas offers built-in vector search, global availability across 115+ regions, and flexible document modeling. Start building AI apps faster, all in one place.

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1

openCRX - Enterprise Class CRM

professional CRM and groupware service, ready for the cloud

openCRX moved to https://github.com/opencrx

10 Reviews

Downloads: 5 This Week

Last Update: 2020-12-23
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2

Contact Management Software

System for market research for improved customer lifecycle management. Boosts acquisition, relationships, and collaboration through role-based access, scheduling, and task management

Downloads: 0 This Week

Last Update: 2024-05-20
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3

OpenLSD : Legacy Storage Document

Open Legacy Storage Document: Generic Document Archiving on Disk and Network(using MINA) Framework in Java for huge number of docs(up to 2^192 documents), efficient(Java NIO), crypto, net transfert, web retrieve, J2EE and eMail archiving compatible.

1 Review

Downloads: 0 This Week

Last Update: 2013-04-22
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4

NetOffice E.I.S.

NETOFFICE EIS: CRM/SRM Corporate AddressBook ; iCAL Corporate Calendar + Agenda ; eMSG MailBox Email + Fax Messagery ; DMS FileManager + Document Management ; EXTM ModExpress (modules / extra apps: financial, sales) ; CPanel administration ; Intercha

3 Reviews

Downloads: 0 This Week

Last Update: 2013-04-11
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Simple, Secure Domain Registration
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