Open-source alternatives to Salesforce

4 community-reviewed projects you can use instead of Salesforce.

1. Odoo - Odoo is a suite of open-source business apps covering CRM, e-commerce, accounting, inventory, point of sale, project management, HR and marketing, all integrated in one modular platform. The Community Edition can be self-hosted for free, while a hosted/Enterprise edition adds proprietary features and support. (Licence: NOASSERTION)
2. Twenty - Twenty is a modern, open-source CRM you can self-host or use in the cloud, with people, companies and opportunities, fully custom objects and fields, kanban pipelines, email and calendar sync, workflows and REST and GraphQL APIs. (Licence: NOASSERTION)
3. ERPNext - ERPNext is a free, open-source ERP built on the Frappe framework that integrates accounting, CRM, sales, purchasing, inventory, manufacturing, project management, HR and e-commerce in one web application. It can be self-hosted or run on Frappe Cloud and is used by manufacturers, distributors and service companies. (Licence: GPL-3.0)
4. SuiteCRM - SuiteCRM is an open-source customer relationship management application, forked from SugarCRM, covering accounts, contacts, leads, opportunities, quotes, contracts, cases, campaigns and reporting. It is written in PHP, runs on your own server or private cloud, and is customizable and extensible via modules and a REST API. (Licence: AGPL-3.0)