Open source alternatives to Copper

3 open source projects replace Copper, ranked by how safe each is to depend on.

98 · Healthy

Modern CRM with a spreadsheet-like data model, custom objects and workflows.

Free core, paid extrasAGPL-3.0 + extra terms★ 58kLast commit today

82 · Healthy

Sales CRM for leads, deals and contacts, with Kanban pipelines, email, calling integrations and SLAs.

AGPL-3.0★ 3.8kLast commit yesterday

71 · Stable

Web CRM for leads, accounts, opportunities and email, with a customizable entity model.

AGPL-3.0Relicensed 2023★ 3.5kLast commit yesterday

98 · Healthy

82 · Healthy

71 · Stable

At a glance

Health and license are separate verdicts: a project can be well maintained and still not be open source.

Project	Health	License	Stars	Last commit
Twenty	98 · Healthy	Free core, paid extrasAGPL-3.0 + extra terms	58k	today
Frappe CRM	82 · Healthy	Free, share hosted changesAGPL-3.0	3.8k	yesterday
EspoCRM	71 · Stable	Free, share hosted changesAGPL-3.0Relicensed 2023	3.5k	yesterday

Copper is a paid CRM product. See all open source CRM tools, ranked the same way.

Scores last refreshed from GitHub on 9 October 2026. How we score.