Can I open-source Bigin?
YES · mature open-source replacementYes. Twenty (54k stars), Krayin CRM (24k stars), Monica (22k stars) are mature open-source replacements for Bigin — self-host with docker and stop paying $9/mo.
People still pay for Bigin because CRM value compounds as the system becomes the shared memory of every customer interaction and embeds itself in the rest of the stack. The recurring cost buys deduplication, permissions, imports, sync, enrichment, email capture, automations, backups, and audit history, not just the visible interface.
xZoho ecosystem, telephony, forms, integrations, and mobile apps
xautomatic email and calendar capture
xdata enrichment
xlarge integration ecosystem
xenterprise reporting
These projects already replace it, free.
TTwentyA modern pipeline CRM with custom objects, views and mailbox sync; the subscription becomes a Compose file.open source↗KKrayin CRMA Laravel sales pipeline with leads, contacts and email; glossy enough, but it still wants a PHP stack.open source↗EEspoCRMA traditional CRM that actually lets you change the data model; polished enough, but still your server.open source↗What each one is, in full: Twenty · EspoCRM
all 5 open-source alternatives to Bigin →· no votes, no pay-to-list · just what's real
Bigin pricing
| plan | monthly | annual (per mo) | what you get |
|---|---|---|---|
| free | $0/user | $0/user | 1 user and 500 total records |
| express | $9/user | $7/user | 50,000 records; no user-count limit (each user requires a license) |
| premier | $15/user | $12/user | 100,000 records; no user-count limit (each user requires a license) |
| bigin 360 | $21/user | $18/user | 1,000,000 records; no user-count limit (each user requires a license) |
free tier1 user and 500 records total (contacts, companies, pipelines, activities, products and notes all count as records)
billingmonthly + annual
hidden costsLocal taxes may be added despite contradictory wording on the page; paid plans charge for every user. Add-ons are sold separately in the Bigin Store. Annual downgrades can create account credits rather than cash refunds.
verified 2026-08-12 · source ↗
Can I open-source Bigin?
Yes. Twenty replaces Bigin today — self-host it on your own server or machine with no subscription. The full list of open-source alternatives is on this page.
How much does Bigin cost?
Bigin costs about $9/month (Express, checked 2026-07-31), which is $108 per year. That's what you save by replacing it with open source.
What do I lose by replacing Bigin?
Honestly: Zoho ecosystem, telephony, forms, integrations, and mobile apps; automatic email and calendar capture; data enrichment; large integration ecosystem; enterprise reporting. If any of those are load-bearing for you, keep paying.
Is there an open-source alternative to Bigin?
Yes: Twenty (A modern pipeline CRM with custom objects, views and mailbox sync; the subscription becomes a Compose file.) Krayin CRM (A Laravel sales pipeline with leads, contacts and email; glossy enough, but it still wants a PHP stack.) EspoCRM (A traditional CRM that actually lets you change the data model; polished enough, but still your server.) All 5 curated open-source alternatives are at caniopensourceit.online/bigin/alternatives.