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No-Code · head to head

Corteza vs Keila

Corteza logo

Corteza

No-Code

Apache-licensed open source low-code platform, formerly Crust, positioned against Salesforce

From
Free
Rated
-
Full reviewWebsite
Keila logo

Keila

Email Marketing

AGPL newsletter tool from Germany, self-hostable or hosted in the EU with no free plan

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Corteza planet Crust is a small company of roughly a dozen or so people, so the entire commercial support capability behind Corteza is thin and a large deployment can outgrow the vendors ability to respond.; Keila there is no free hosted plan at all, stated as deliberate policy, so unlike almost every competitor there is no way to run a small list at zero cost without self-hosting it yourself.
  • They diverge on capability: Corteza covers Corteza Low Code, Keila covers Priced by emails sent.
  • Prices and features above were last checked on 31 August 2026.

Where they differ

Only the attributes on which Corteza and Keila actually diverge.

Attributes where Corteza and Keila differ
AttributeCortezaKeila
Pricing modelOpen source, no licence feePer month by emails sent
PlatformsWeb, Linux, Self-hosted, DockerWeb, Linux, Self-hosted
CategoryNo-CodeEmail Marketing

Identical on both: starting price (Free), free tier (Yes), user rating (Not yet rated).

What each one covers

Drawn from each product's published feature list. An absence here means we hold no record of it - not that the product lacks it.

Only in Corteza

  • Corteza Low Code
  • Automation and workflow
  • Bundled CRM
  • Case management
  • Federation
  • Role-based access control
  • Corteza Messaging and integrations
  • Self-hosted deployment

Only in Keila

  • Priced by emails sent
  • Bring your own sender
  • Self-hosting
  • EU hosting
  • Sign-up forms
  • Segmentation
  • Markdown and block editor
  • Multiple projects

What people use each for

The jobs each tool is most often brought in to do.

Corteza

  • A European public body that needs a case management system on servers inside its own jurisdiction with an auditable licence and no per-seat vendor feenot Keila
  • An NGO replacing a Salesforce donation that has run out, needing to keep the data model but remove the recurring costnot Keila
  • An integrator building a regulated vertical application it intends to resell, requiring a permissive licence it can ship commerciallynot Keila
  • A mid-size European company that wants one platform for internal applications and a sales pipeline without paying per seat as headcount growsnot Keila

Keila

  • A membership organisation holding forty thousand contacts but sending only one newsletter a month, where contact-metered pricing would cost many times morenot Corteza
  • A European publisher or public body that needs subscriber data held in the EU under a GDPR-friendly arrangementnot Corteza
  • A technical team that wants to self-host its newsletter tool and route sending through its existing AWS SES accountnot Corteza
  • An agency running several separate client lists that does not want to pay per project or per additional listnot Corteza

Where each one falls short

Documented limitations, not opinions. Every one is a constraint you would hit in normal use.

Corteza

  • Planet Crust is a small company of roughly a dozen or so people, so the entire commercial support capability behind Corteza is thin and a large deployment can outgrow the vendors ability to respond.
  • No pricing is published for Planet Crusts support, hosting or implementation services, so the true running cost of a supported deployment cannot be estimated without a sales conversation.
  • The connector ecosystem is small compared with commercial low-code platforms, so integrations with common SaaS tools usually mean writing against the REST API rather than installing something.
  • Hiring is hard: almost nobody has Corteza on a CV, so you are training internal developers on a niche platform and you cannot easily replace them.
  • The bundled CRM is a starting point rather than a mature product, and teams that expect Salesforce-equivalent sales functionality out of the box will spend months building the gap themselves.

Keila

  • There is no free hosted plan at all, stated as deliberate policy, so unlike almost every competitor there is no way to run a small list at zero cost without self-hosting it yourself.
  • Marketing automation is minimal, with none of the behavioural triggers, journey builders or e-commerce revenue attribution that Klaviyo, Brevo and Mailchimp treat as table stakes.
  • The self-hosted route puts deliverability entirely on you: reputation, SPF, DKIM, DMARC, warm-up and bounce handling are your problem, and a badly configured instance will land in spam folders.
  • It is a small project from a small company, so the integration ecosystem is thin and there is no partner network, template marketplace or large body of community expertise to draw on.
  • Email volume tiers step in fixed blocks, so an organisation whose sending is uneven across the year either overbuys at the annual peak or has to change plan repeatedly.

Pricing, plan by plan

Corteza

Free
  • Corteza communityFree
    • Apache 2.0 licensed with no feature gating
    • Low-code builder, workflow engine, CRM and case management included
    • Self-hosted on your own infrastructure
  • Planet Crust support and services$undefined/year
    • Commercial support, hosting and implementation from Planet Crust
    • Custom application development
    • Training

Keila

Free
  • Self-hostedFree
    • AGPL-3.0-or-later licence with no fee
    • Official Docker image and sample compose file
    • You supply hosting and a sending backend
  • Keila XS$8/month
    • Two thousand emails per month
    • Unlimited contacts and projects
    • Send with Keila or bring your own email server
  • Keila M$32/month
    • Fifteen thousand emails per month
    • Unlimited contacts and projects
    • Sign-up forms and segmentation
  • Keila XXL$256/month
    • Two hundred and fifty thousand emails per month
    • Unlimited contacts and projects
    • Intermediate tiers at 16, 64 and 128 EUR for 5,000, 50,000 and 100,000 emails

Which should you pick?

Choose Corteza if

  • You need corteza low code.
  • You want to start without paying.
  • You work on Web, Linux, Self-hosted, Docker.
  • You also want automation and workflow.
Corteza review

Choose Keila if

  • You need priced by emails sent.
  • You want to start without paying.
  • You work on Web, Linux, Self-hosted.
  • You also want bring your own sender.
Keila review

Questions people ask

Is Corteza or Keila better?
Neither clearly leads. Corteza starts at Free and Keila at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Corteza or Keila?
Corteza starts at Free and Keila at Free.
Does Corteza or Keila run on more platforms?
Corteza runs on Web, Linux, Self-hosted, Docker. Keila runs on Web, Linux, Self-hosted.
Can I use Corteza for free?
Both have a free tier, so you can try either at no cost before committing.
What is Corteza best used for?
Corteza is most often used for a european public body that needs a case management system on servers inside its own jurisdiction with an auditable licence and no per-seat vendor fee, an ngo replacing a salesforce donation that has run out, needing to keep the data model but remove the recurring cost, an integrator building a regulated vertical application it intends to resell, requiring a permissive licence it can ship commercially, a mid-size european company that wants one platform for internal applications and a sales pipeline without paying per seat as headcount grows. Of those, a european public body that needs a case management system on servers inside its own jurisdiction with an auditable licence and no per-seat vendor fee and an ngo replacing a salesforce donation that has run out, needing to keep the data model but remove the recurring cost are not what Keila is typically brought in for.
What can Corteza do that Keila cannot?
Corteza covers Corteza Low Code, Automation and workflow, Bundled CRM, Case management. Keila covers Priced by emails sent, Bring your own sender, Self-hosting, EU hosting.

Answered from the vendors’ own pages

Corteza: Is Corteza the same thing as Crust?

Yes. The project was branded Crust and renamed Corteza in 2019 when Crust Technology donated it to the Commons Conservancy.

Keila: Is Keila free?

The software is, under AGPL-3.0-or-later, if you self-host. The hosted service has no free plan by deliberate policy and starts at 8 EUR a month.

Corteza: Who owns the code?

The Commons Conservancy, a Dutch foundation. Planet Crust in Cork is the primary developer and sells commercial services around it.

Keila: How is the hosted service priced?

By emails sent, from 8 EUR for two thousand up to 256 EUR for two hundred and fifty thousand a month. Contacts and projects are unlimited on every tier.

Corteza: Is there a paid enterprise edition?

No. Corteza is Apache 2.0 with no feature gating. Planet Crust sells support, hosting and development instead of a restricted edition.

Keila: Can I use my own email provider?

Yes. AWS SES, Sendgrid, Mailgun, Postmark, generic SMTP or a personal inbox are all supported as sending backends.

Corteza: Can it genuinely replace Salesforce?

For case management and a straightforward sales pipeline on a self-hosted footprint, yes. For a large sales organisation relying on AppExchange products and a mature ecosystem, no.

Keila: Are there discounts?

Pentacent offers reduced rates to nonprofits and open source projects on request.

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