Attio alternatives: 6 free & open-source picks
Curated, verified, and actually free. No trials, no crippled tiers. Star counts and last-activity dates checked by hand, not scraped and forgotten.
ZombieA modern pipeline CRM with custom objects, views and mailbox sync; the subscription becomes a Compose file.
licenseAGPL-3.0
runsyour machine or their cloud
installHosted cloud signup or official one-line/Docker Compose self-host install
dataCRM records and configuration in PostgreSQL; files in local storage or S3-compatible object storage on the selected host
vs AttioTwenty is the closest structural substitute, but Attio remains ahead in automatic enrichment, collaborative list workflows, and overall product maturity.
setupFree use requires Docker, at least 2 GB RAM, PostgreSQL-backed containers, secrets, and domain/TLS configuration
facts verified 2026-08-10
A traditional CRM that actually lets you change the data model; polished enough, but still your server.
licenseAGPL-3.0
runsyour server
installDocker Compose or upload the PHP package and run the web installer
dataCRM records in a self-hosted MySQL, MariaDB, or PostgreSQL database; uploaded files in server/Docker volumes
vs AttioEspoCRM can define custom entities, but its data-model editing, collaborative views, and automatic enrichment are much less fluid than Attio’s.
setupRequires a server, database, domain/TLS setup, and ongoing upgrades/backups
facts verified 2026-08-10
A clean leads-and-deals board with notes, tasks and email; Frappe underneath means a real server, not a toy.
licenseAGPL-3.0
runsyour machine or their cloud
installOne-click Frappe Cloud signup or the official Python easy-install deployment script on your server
dataCRM DocType records and attachments in the Frappe site database/files, on Frappe Cloud or the user's server
vs AttioFrappe CRM is less flexible and polished than Attio for building custom relationship objects, live views, and enriched records.
setupFree use means self-hosting; the official production script still needs a Linux server, DNS, and command-line access
facts verified 2026-08-10
A full little CRM for three users and 5,000 records; the wider Zoho maze is optional.
licenseproprietary, free
runstheir cloud
installHosted Zoho account signup
dataStructured CRM service data stored on Zoho's cloud servers; Zoho states users can access, export, and delete service data
vs AttioZoho CRM Free relies on fixed sales modules and limited customization rather than Attio’s flexible object-and-view model.
setupno real blockers; verified to install clean
facts verified 2026-08-10
A full hosted pipeline for unlimited users, provided CRM is the only Odoo app you marry.
licenseproprietary, free
runstheir cloud
installHosted Odoo Online signup with CRM selected as the single free app
dataStructured Odoo records in an Odoo-hosted customer database; records can be exported from list views
vs AttioOdoo’s CRM follows a conventional ERP sales schema and is far less fluid than Attio for modeling arbitrary relationships.
setupno real blockers; verified to install clean
facts verified 2026-08-10
A real hosted CRM for two users and 1,000 records; the upgrade banners are part of the furniture.
licenseproprietary, free
runstheir cloud
installHosted signup; optionally connect/import email, calendar, and contacts
dataStructured CRM customer records stored and processed on HubSpot's cloud servers, with regional hosting options and exports
vs AttioHubSpot Free does not offer Attio’s flexible custom-object model, real-time collaborative views, or comparable enrichment without paid upgrades.
setupno real blockers; verified to install clean
facts verified 2026-08-10
last updated 2026-08-10 · no votes, no pay-to-list · just what's real
Corteza CRMEveryone calls it a ready Salesforce replacement; current installs center the low-code platform and load CRM as an extension, which is too much assembly here.
| tool | license | running it | platforms | stars | active |
|---|---|---|---|---|---|
| Twenty | AGPL-3.0 | docker to self-host | web, self-hosted | 54,400 | 2026-08 |
| EspoCRM | AGPL-3.0 | docker to self-host | web, self-hosted | 3,200 | 2026-08 |
| Frappe CRM | AGPL-3.0 | self-host, real ops | web, self-hosted | 3,200 | 2026-08 |
| Zoho CRM Free | proprietary, free | they host it | web, ios, android | — | — |
| Odoo CRM One App Free | proprietary, free | they host it | web | — | — |
| HubSpot Free CRM | proprietary, free | they host it | web, ios, android | — | — |
People still pay for Attio 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. If none of that applies to you, any pick above saves $528 a year.
Is there a free alternative to Attio?
Yes: Twenty, EspoCRM, Frappe CRM and 3 more. Every tool on this page is either open source or genuinely free to use long-term: no trials, no crippled tiers.
Should I just build my own Attio?
Our verdict is KINDA. The core loop is buildable, but a dependable replacement becomes a real weekend or multi-day project. For Attio, model contacts and companies flexibly, create views, and manage a pipeline. The hard boundary is real-time data model, enrichment, email sync, automations, and collaborative polish, plus integrations, data quality, and workflow lock-in. If you'd rather build, the exact one-shot prompt is free at canivibecodeit.com/attio.
