Softwr

Cloud · head to head

Linkerd vs Passbolt

Linkerd logo

Linkerd

Cloud

Lightweight service mesh for Kubernetes

From
Free
Rated
-
Full reviewWebsite
Passbolt logo

Passbolt

Cybersecurity

Open-source password manager for teams with self-hosted or cloud deployment

From
Free
Rated
-
Full reviewWebsite

The short version

  • Each has a real cost: Linkerd deliberately fewer features than Istio, so complex routing and multi-cluster policy can hit its limits; Passbolt pro Edition requires a minimum of 10 users, making it costlier for very small teams.
  • They diverge on capability: Linkerd covers Automatic mutual TLS, Passbolt covers Password sharing and folders.
  • Prices and features above were last checked on 29 August 2026.

Where they differ

Only the attributes on which Linkerd and Passbolt actually diverge.

Attributes where Linkerd and Passbolt differ
AttributeLinkerdPassbolt
Pricing modelOpen source, no licence feeopen-source
PlatformsKubernetes, Linuxweb, windows, mac, linux, api
CategoryCloudCybersecurity

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 Linkerd

  • Automatic mutual TLS
  • Golden metrics
  • Rust micro-proxy
  • Traffic policy

Only in Passbolt

  • Password sharing and folders
  • Groups and role-based access
  • Browser extensions and CLI
  • Open API
  • LDAP provisioning and SSO
  • Activity audit log

What people use each for

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

Linkerd

  • Adding mutual TLS between services to satisfy a compliance requirementnot Passbolt
  • Getting per-service latency and success rates without instrumenting applicationsnot Passbolt
  • Progressive delivery with traffic splitting during rolloutsnot Passbolt

Passbolt

  • Self-hosting a team password manager for data sovereigntynot Linkerd
  • Provisioning vault access from an existing LDAP/AD directorynot Linkerd
  • Sharing credentials across engineering or IT teams via folders and groupsnot Linkerd
  • Automating credential retrieval through the CLI or open APInot Linkerd

Where each one falls short

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

Linkerd

  • Deliberately fewer features than Istio, so complex routing and multi-cluster policy can hit its limits
  • Kubernetes only, with no story for workloads outside a cluster
  • A sidecar per pod is still real memory and latency overhead, however small, and a mesh is another layer to debug during incidents

Passbolt

  • Pro Edition requires a minimum of 10 users, making it costlier for very small teams.
  • Community Edition lacks SSO and LDAP provisioning, which many organizations need for onboarding at scale.
  • Self-hosting the Community Edition requires infrastructure and maintenance effort compared to fully managed competitors.
  • Enterprise-tier support and HA consulting require custom, quote-based pricing rather than transparent rates.

Pricing, plan by plan

Linkerd

Free
  • LinkerdFree
    • Full functionality
    • No usage limits
    • Community support

Passbolt

Free
  • Community EditionFree
    • Unlimited users
    • Password sharing and folders
    • Role-based access control
  • Pro Edition$4.9/month
    • Minimum 10 users, billed annually
    • LDAP/AD provisioning
    • Single sign-on
  • Enterprise Edition$undefined/month
    • High availability and disaster recovery consulting
    • White-glove migration
    • Custom feature development

Which should you pick?

Choose Linkerd if

  • You need automatic mutual tls.
  • You want to start without paying.
  • You work on Kubernetes, Linux.
  • You also want golden metrics.
Linkerd review

Choose Passbolt if

  • You need password sharing and folders.
  • You want to start without paying.
  • You work on web, windows, mac, linux, api.
  • You also want groups and role-based access.
Passbolt review

Questions people ask

Is Linkerd or Passbolt better?
Neither clearly leads. Linkerd starts at Free and Passbolt at Free, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
Which is cheaper, Linkerd or Passbolt?
Linkerd starts at Free and Passbolt at Free.
Does Linkerd or Passbolt run on more platforms?
Linkerd runs on Kubernetes, Linux. Passbolt runs on web, windows, mac, linux, api.
Can I use Linkerd for free?
Both have a free tier, so you can try either at no cost before committing.
What is Linkerd best used for?
Linkerd is most often used for adding mutual tls between services to satisfy a compliance requirement, getting per-service latency and success rates without instrumenting applications, progressive delivery with traffic splitting during rollouts. Of those, adding mutual tls between services to satisfy a compliance requirement and getting per-service latency and success rates without instrumenting applications are not what Passbolt is typically brought in for.
What can Linkerd do that Passbolt cannot?
Linkerd covers Automatic mutual TLS, Golden metrics, Rust micro-proxy, Traffic policy. Passbolt covers Password sharing and folders, Groups and role-based access, Browser extensions and CLI, Open API.

Answered from the vendors’ own pages

Linkerd: Is Linkerd free?

The open-source project is free. Buoyant, its maintainer, sells enterprise distributions and support separately.

Passbolt: Is Passbolt free to use?

Yes. The Community Edition is free forever with unlimited users, including password sharing, folders, groups, role-based access, browser extensions, a CLI, and an open API.

Source
Linkerd: Linkerd or Istio?

Linkerd trades features for simplicity, with a smaller proxy and far less configuration. Istio is more capable and correspondingly more work to run.

Passbolt: What does the Pro Edition cost and add?

Pro Edition costs $4.90 per user per month billed annually, with a 10-user minimum, and adds LDAP/AD provisioning, single sign-on, account recovery escrow, activity audit logs, and next-business-day support.

Source
Linkerd: Do I need a service mesh at all?

Only if you need mutual TLS, uniform retries or per-service traffic metrics across many services. For a handful of services it is usually more machinery than the problem justifies.

Passbolt: What license is Passbolt distributed under?

All Passbolt editions, including Pro and Enterprise, are distributed under the AGPL v3 open-source license.

Source
Share

Related pages

More on Linkerd

More on Passbolt

Keep looking

Other head to heads