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QardQntac

Free#16 of 24 in Business Card Scanner Software

QardQntac: A private, AI-assisted contact manager for self-hosters who value control over breadth. Ranked #16 of 24 in Business Card Scanner Software by our editors (7.7/10); pricing: Open source; best for self-hosters seeking private contact control.

7.7/10Editor score

Visit QardQntac

QardQntac7.7 Visit QardQntac

At a glance

Editor score
7.7 / 10
Pricing
Open source
Best for
Self-hosters seeking private contact control
Paid from
Free
Facts checked
21 Sep 2026

Where it wins
- AI extracts contact fields with manual review before saving
- CardDAV sync supports Nextcloud, Radicale, and Baikal
- Duplicate detection and vCard export support contact hygiene
Where it doesn't
- Web and Linux coverage is narrower than a mobile-first scanner
- No verified mobile platform is provided
- No CRM export or batch scanning is listed

Our verdict on QardQntac

QardQntac is an open-source, self-hosted business card scanner and contact manager for individuals and organizations that want contact data on their own infrastructure. Users can capture cards with a phone camera or upload images, then use AI to extract contact fields, review and edit the results, apply color-coded tags, and save contacts. It fits self-hosters who prioritize private contact control and are comfortable managing a web or Linux deployment rather than relying on a broad commercial ecosystem.

Its standout strength is the path from card image to maintained address book. AI extraction is paired with manual review and editing, while duplicate detection can compare names, email addresses, or phone numbers. Contacts can be exported as vCard files or synchronized through CardDAV. The ecosystem includes Nextcloud, Radicale, and Baikal for contact services, plus Ollama, OpenAI, Anthropic, and Google Gemini for AI processing. Local Ollama support may suit deployments that prefer to keep processing closer to their own infrastructure, while the cloud-provider options add flexibility.

The trade-off is narrower platform and workflow coverage. QardQntac supports web, Linux, and self-hosted deployments, but it does not provide a verified mobile platform, CRM export, or batch scanning. That makes it a focused option for individual cards and controlled contact storage, not a broad sales-operations capture system. Self-hosting can also bring infrastructure responsibilities, and third-party AI-provider use may add provider costs. Choose QardQntac when ownership, CardDAV synchronization, and configurable AI processing matter most; choose an alternative if mobile coverage, CRM workflows, or high-volume batch intake are central requirements.

Your product? Our editors can test QardQntac in depth and publish a review, labelled as paid · from $149/mo →

QardQntac pricing

Plans Open sourceFree Free to use — no paid tier required for the core job.

See plans on github.com

QardQntac fact sheet

Free plan	Not verified
Paid from	Free
Included card scans	Not verified
CRM export	Not verified
Address-book export	Yes
Mobile platforms	Not verified
Batch scanning	Not verified
API access	Not verified
Duplicate detection	Yes
Deployment	Self-hosted
Platforms	Web, Linux
Support	Docs, Community
Built for	Solo, Small business, Mid-market, Enterprise (editorial estimate)
Integrations	8 integrations: Nextcloud, Radicale, Baikal, CardDAV, Ollama, OpenAI …
Pricing	Open source
Website	github.com
Facts checked	21 Sep 2026

QardQntac integrations

QardQntac lists 8 integrations on its own site.

Nextcloud
Radicale
Baikal
CardDAV
Ollama
OpenAI
Anthropic
Google Gemini

Alternatives to QardQntac

See all QardQntac alternatives →

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Featured on iTechGuides

QardQntac is listed in our Business Card Scanner Software directory. Add the badge to your site — it links back to this page.

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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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Last updated 7 Oct 2026 · How we research and update