SinonKeystone

Plans and prices

Every plan, in full

On the record

Air-gap support

In air-gapped mode, outbound fetching is refused and content is provided in signed bundles whose signatures are verified before unpacking.sinon.eu · read 11 Oct 2026

API

The technical specifications list 9 API route modules, 47 paths and 55 endpoints.sinon.eu · read 11 Oct 2026

Audit evidence

Approvals, deployments, revocations and integrity rejections are recorded in a hash-linked audit chain, with exportable evidence bundles and dated compliance snapshots.sinon.eu · read 11 Oct 2026

Availability and support

SinonKeystone is in closed beta, and the maker invites organisations to request access for an estate coverage assessment and product walkthrough.sinon.eu · read 11 Oct 2026

Change control

Approvals are recorded per update and deployment ring, with quorum, separation of duties, staged promotion gates and automatic rollout halts.sinon.eu · read 11 Oct 2026

Compliance mapping

The product maps to CIS Controls v8.1, NIST SP 800-53 r5, EU NIS2, SOC 2 and NCSC CAF v3.2; the page says 63 of 70 controls are bound to 14 automated checks.sinon.eu · read 11 Oct 2026

Deployment options

It can be deployed on bare metal, with Docker Compose, on Kubernetes via Helm, or fully air-gapped from a signed bundle.sinon.eu · read 11 Oct 2026

Limits

SinonKeystone does not replace vulnerability scanning; missing-patch state is derived from reported inventory, and hosts that are not enrolled are excluded from compliance measurements.sinon.eu · read 11 Oct 2026

Operating systems

It supports Windows, Linux and macOS through one server and one agent.sinon.eu · read 11 Oct 2026

Pricing

The pricing page lists SinonKeystone at £3,000 for SME and £16,000 for Enterprise per year, excluding VAT; prices are annual list prices and pounds sterling is the contracting currency.sinon.eu · read 11 Oct 2026

Purpose

SinonKeystone is a self-hosted update management platform that mirrors vendor update catalogues, controls patch approvals and deployments, and produces compliance evidence.sinon.eu · read 11 Oct 2026

Scheduling

Maintenance windows support tenant-local time, change blackouts, cut-offs that prevent installs running past a window, and per-window reboot permissions.sinon.eu · read 11 Oct 2026

Security

The platform verifies repository metadata and payload digests, checks payloads again on endpoints, and quarantines mismatches.sinon.eu · read 11 Oct 2026

Technical requirements

The page lists PostgreSQL 16 and Redis 7, and a single Go agent distributed as MSI, DEB, RPM, PKG or tar.gz packages.sinon.eu · read 11 Oct 2026

Upstream sources

It mirrors Microsoft Update, APT, YUM/DNF and Apple Software Update catalogues into a local content store.sinon.eu · read 11 Oct 2026

Alternatives to SinonKeystone

MP ManageEngine Patch Manager PlusAndroidiPhone & iPad+6 O OPSIWebWindows+4 OC Oracle Cloud ComputeAndroidiPhone & iPad+6 P PatchMonWebWindows+3 K KuduWebWindows+3 PM Patch My PCWebWindows+2 CL Canonical LandscapeWebLinux+2 JP JumpCloud Patch ManagementiPhone & iPadWeb+3

Every alternative, ranked