Developer Tools · head to head
pnpm vs Semperis
Semperis
Cybersecurity
Identity threat detection and Active Directory forest recovery for AD, Entra ID and Okta, from a privately held US vendor.
- From
- On request
- Free plan
- No
The short version
- Only pnpm has a free tier, so it costs nothing to try first.
- Each has a real cost: pnpm requires command-line proficiency to use; Semperis scope is limited to Active Directory, Entra ID and Okta, so an organisation whose critical identity lives elsewhere gets little from it, and the recovery value declines in direct proportion to how much has already moved off on-premises AD.
- Prices and features above were last checked on 30 August 2026.
Where they differ
Only the attributes on which pnpm and Semperis actually diverge.
Identical on both: 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 pnpm
Nothing recorded that Semperis does not also cover.
Only in Semperis
- Active Directory Forest Recovery
- Malware-free restore
- Replication-stream monitoring
- Automated rollback
- Attack indicator scoring
- Entra ID and Okta coverage
- Purple Knight
- Forest Druid
What people use each for
The jobs each tool is most often brought in to do.
pnpm
- Installing dependencies faster than npm in monorepo workspacesnot Semperis
- Sharing common dependencies across multiple projects to save disk spacenot Semperis
- Preventing dependency version conflicts in workspace environmentsnot Semperis
- Managing workspaces with many interdependent packagesnot Semperis
Semperis
- An organisation that cannot answer an auditor or insurer asking how long it would take to rebuild Active Directory after a destructive attacknot pnpm
- Post-incident recovery where domain controllers are compromised and restoring from system-state backup would reintroduce the attacker's footholdnot pnpm
- Continuous detection of privileged group changes and directory-level tampering that domain controller security logs missnot pnpm
- Hybrid estates where AD, Entra ID and Okta all matter and no single tool currently shows changes across the threenot pnpm
Where each one falls short
Documented limitations, not opinions. Every one is a constraint you would hit in normal use.
pnpm
- Requires command-line proficiency to use
- Community-driven support only
Semperis
- Scope is limited to Active Directory, Entra ID and Okta, so an organisation whose critical identity lives elsewhere gets little from it, and the recovery value declines in direct proportion to how much has already moved off on-premises AD.
- The licence buys tooling, not a proven runbook: forest recovery is only worth what your last rehearsal demonstrated, and a plan that has never been executed end to end in a lab is an untested assumption regardless of what was purchased.
- It overlaps with backup and directory management products from Quest, Veeam, Commvault and others, so the buyer must argue internally why a dedicated product is needed alongside a backup contract that already claims to protect Active Directory.
- Running Directory Services Protector well requires someone who understands AD internals, replication metadata and Tier 0 attack paths, and without that person the alerts on privileged changes are either ignored or auto-reverted in ways that break legitimate administration.
- Licensing is driven by identity object counts, so directories carrying years of stale user accounts and service principals pay for objects that should have been deleted, and the cleanup project that would reduce the bill is the one nobody has time for.
Pricing, plan by plan
pnpm
FreeNo published plan breakdown. See the pnpm review.
Semperis
On requestNo published plan breakdown. See the Semperis review.
Which should you pick?
Choose Semperis if
- You need active directory forest recovery.
- You also want malware-free restore.
Questions people ask
- Is pnpm or Semperis better?
- Neither clearly leads. pnpm starts at Free and Semperis at On request, and user ratings are close enough to be indistinguishable. Choose on capability and platform support.
- Which is cheaper, pnpm or Semperis?
- pnpm has a free tier; the other does not. Paid plans start at Free for pnpm and On request for Semperis.
- Does pnpm or Semperis run on more platforms?
- pnpm runs on Linux, Windows, macOS. Semperis runs on Web.
- Can I use pnpm for free?
- Yes. pnpm has a free tier, so you can try it without paying. Semperis starts at On request.
- What is pnpm best used for?
- pnpm is most often used for installing dependencies faster than npm in monorepo workspaces, sharing common dependencies across multiple projects to save disk space, preventing dependency version conflicts in workspace environments, managing workspaces with many interdependent packages. Of those, installing dependencies faster than npm in monorepo workspaces and sharing common dependencies across multiple projects to save disk space are not what Semperis is typically brought in for.
- What can pnpm do that Semperis cannot?
- Semperis covers Active Directory Forest Recovery, Malware-free restore, Replication-stream monitoring, Automated rollback.
Answered from the vendors’ own pages
pnpm: Is pnpm free and open source?
Yes. pnpm is free and open source software developed for Node.js. Version 10 and 11 are currently available.
SourceSemperis: Does this replace my backups?
No. It replaces the Active Directory recovery procedure specifically. You still need backups for everything else, and the point of Semperis is that a generic system-state backup of a domain controller is a poor way to recover a forest because it restores the operating system along with whatever compromised it.
pnpm: How does pnpm save disk space?
pnpm uses a content-addressable store with hard linking and symlinks to avoid duplication. All files are saved in a single place on disk and hard-linked to individual projects, dramatically reducing storage requirements compared to npm.
SourceSemperis: Is it useful if we are cloud-only on Entra ID?
Partly. Directory Services Protector covers Entra ID and Okta for change tracking and posture, but the forest recovery product, which is the strongest reason to buy, applies to on-premises Active Directory. A genuinely cloud-only organisation should weigh it against Microsoft's own tooling.
pnpm: Is pnpm faster than npm?
Yes. pnpm performs installation in three stages: dependency resolution, directory structure calculation, and linking. Packages are fetched and linked as soon as possible, making it significantly faster than npm's sequential approach.
SourceSemperis: Are Purple Knight and Forest Druid really free?
Yes, both are free downloads with no licence requirement, and they are widely used by organisations that are not Semperis customers. They are also, transparently, the top of the sales funnel.
pnpm: Does pnpm support monorepos?
Yes. pnpm has built-in support for monorepositories. You can create a workspace using pnpm-workspace.yaml to unite multiple projects in a single repository.
SourceSemperis: How long does forest recovery actually take?
The honest answer is whatever your rehearsal took. The vendor's case is hours instead of days, and automation genuinely removes most manual steps, but the number that matters for your board is the one from a test in your own environment.
pnpm: How does pnpm handle node_modules differently than npm?
pnpm uses symlinks to add only direct dependencies to node_modules root, preventing accidental access to undeclared dependencies. This encourages more explicit dependency management compared to npm's flattened node_modules structure.
SourceSemperis: Does it require agents on domain controllers?
It collects directory changes from the AD replication stream, which is what lets it see changes that bypass the security log. Deployment details vary by product and version, so confirm the exact architecture against your domain controller change-control rules.
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