13 Best Open Source Close Alternatives
A curated collection of the 13 best open source and self-hosted alternatives to Close in 2026.
Looking for a free, privacy-friendly, or self-hosted replacement for Close in 2026? The top open-source alternative is CRM — Open source CRM with AI agents that read your inbox, enrich contacts and companies, schedule follow-ups, and build new agents from plain-language descriptions..
Other highly rated open-source Close alternatives include Macro CRM, Odoo and Twenty.
Open source CRM with AI agents that read your inbox, enrich contacts and companies, schedule follow-ups, and build new agents from plain-language descriptions.
Open source CRM with AI agents that read your inbox, enrich contacts and companies, schedule follow-ups, and build new agents from plain-language descriptions.
Automatically creates and enriches contacts, companies, and deal threads from your team's email. No data entry, no imports, no admin overhead.
Automatically creates and enriches contacts, companies, and deal threads from your team's email. No data entry, no imports, no admin overhead.
Integrated suite of business apps covering accounting, CRM, inventory, eCommerce, HR, and project management, available free as Community or paid Enterprise edition.
Integrated suite of business apps covering accounting, CRM, inventory, eCommerce, HR, and project management, available free as Community or paid Enterprise edition.
Self-hostable CRM built for technical teams who need a fully customizable, extensible platform without vendor lock-in or proprietary tooling.
Self-hostable CRM built for technical teams who need a fully customizable, extensible platform without vendor lock-in or proprietary tooling.
Open-source ERP solution offering modules for accounting, inventory, HR, CRM, and more. Customizable and scalable for businesses of all sizes.
Open-source ERP solution offering modules for accounting, inventory, HR, CRM, and more. Customizable and scalable for businesses of all sizes.
Open source customer relationship management platform with sales tracking, marketing automation, and customizable workflows for businesses of all sizes.
Open source customer relationship management platform with sales tracking, marketing automation, and customizable workflows for businesses of all sizes.
A flexible and customizable CRM platform for managing contacts, deals, and customer relationships without the complexity or user-based pricing of traditional solutions.
A flexible and customizable CRM platform for managing contacts, deals, and customer relationships without the complexity or user-based pricing of traditional solutions.
All-in-one solution for ERP, CRM, HRM, ATS, and project management to streamline your business operations
All-in-one solution for ERP, CRM, HRM, ATS, and project management to streamline your business operations
All-in-one solution for marketing, sales, and customer service. Boost engagement, streamline workflows, and drive growth.
All-in-one solution for marketing, sales, and customer service. Boost engagement, streamline workflows, and drive growth.
Open-source CRM software for managing customers, companies, projects and opportunities. Intuitive interface with cloud and self-hosted options available.
Open-source CRM software for managing customers, companies, projects and opportunities. Intuitive interface with cloud and self-hosted options available.
Build a customizable CRM that matches your company's vision, designed for developers and loved by end users.
Build a customizable CRM that matches your company's vision, designed for developers and loved by end users.
Transform customer relationships with this intuitive open-source CRM. Features task management, sales pipeline tracking, and customizable data models.
Transform customer relationships with this intuitive open-source CRM. Features task management, sales pipeline tracking, and customizable data models.
Pipeline management, deal workspace, contacts, and two-way Gmail for BD teams. Runs on your own infrastructure, MIT licensed, no per-seat fees.
Pipeline management, deal workspace, contacts, and two-way Gmail for BD teams. Runs on your own infrastructure, MIT licensed, no per-seat fees.
About Close
A sales engagement CRM designed for startups and SMBs to increase conversions, manage all customer interactions, and streamline sales workflows.