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eramba is the cheapest serious option in this comparison. What it costs instead is your own time, and it does not carry the German frameworks.
eramba is an international open-source GRC platform that has been around since 2007. The community edition is free without user or data limits, with advanced roles, configurable reports and larger automation reserved for the enterprise edition, which starts at €2,500 a year self-hosted and €5,000 a year hosted by eramba.
| Feature | KaitoSec | eramba |
|---|---|---|
| BSI IT-Grundschutz | Yes | No |
| TISAX | Yes | No |
| ISO 27001 | Yes | Yes |
| GDPR with German supervisory practice | Yes | Partial |
| NIS2 under the German implementation law | Yes | Partial |
| Four management systems on one data model | Yes | No |
| Operated by the vendor | Yes | Yes |
| German-speaking advisory from the same vendor | Yes | No |
| Free entry edition | No | Yes |
| Open source, source code public | No | Yes |
Last reviewed in August 2026 against eramba's public product information at eramba.org. Product scopes change, so ask both vendors about the rows that decide your case.
01
eramba runs self-hosted or hosted by eramba. Either way the operating questions stay with you: updates, backups, patching and availability of the GRC tool itself. KaitoSec runs as a managed service, with on-premise available in the Enterprise plan where policy requires it.
02
eramba covers ISO 27001, general GDPR and adjacent international frameworks. BSI IT-Grundschutz and TISAX are not in it, and building them by hand means maintaining a control catalogue and its cross-references yourself. KaitoSec carries both natively and maps them to ISO 27001 and NIS2 where the requirements overlap.
03
eramba is a tool you configure and run yourself; the enterprise plan adds support, not advisory. KaitoSec offers German-speaking gap analysis, implementation support and certification support as a named mandate, optional and separately priced, so an organisation without a dedicated CISO still has someone to ask.
04
eramba ships risk, compliance, audit, policy and incident modules, each holding its own data. KaitoSec runs BCMS, ISMS, DSMS and AIMS on one data model: a risk identified in the ISMS becomes a BC scenario, and a critical asset feeds both control selection and recovery planning.
01
The community edition costs nothing and has no user or data limits, and the enterprise edition starts at €2,500 a year regardless of how many people use it. For a team with technical depth and a tight budget, that is a price level no other vendor in this comparison publicly undercuts.
02
The code is public, the data model is open and exports are straightforward. For organisations that require source code auditability or want to avoid a SaaS dependency entirely, that is a structural advantage KaitoSec does not offer.
For ISO 27001 and general GDPR, yes. BSI IT-Grundschutz, TISAX and NIS2 under the German implementation law are not in it. You can build those by hand, and then you own the control catalogue, the cross-references and every update to them. That is the real question, not whether the tool can hold the data.
Alongside the licence of zero, count infrastructure, installation, configuration, maintenance, security updates and the internal expert hours that go into all of it. Compare that ownership against a managed service using your actual scope; a blanket cost claim in either direction would not be defensible.
Yes. eramba's open data model makes exports straightforward, and risk registers, control frameworks, asset inventories and policy documentation are mapped onto the KaitoSec model in the migration pass. Scope and gaps are agreed before the import runs.
Yes, in the Enterprise plan, for organisations that need data sovereignty or whose policy rules out external SaaS for security data. If self-hosting was the reason eramba was chosen, that reason does not rule out KaitoSec, though the operating model and the price level differ.
eramba is built by practitioners for practitioners, and the interface shows it. That matters once non-specialists have to work in it: the management review, the internal audit, the people responsible for policies. KaitoSec offers Simple Mode for them and Expert Mode for the ISB, plus KaitoSec AI via Cmd+J and Cmd+K search on every page.
A matrix shows what a product covers. Your audit asks about your frameworks, your deployment constraints and your team size. Bring those and we go through the rows that decide your case.
