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Companies / Ossus

Ossus tech stack

ossus.com

Ossus builds software for running a modern library, including cataloguing, circulation, and discovery. It serves public libraries and schools.

Summarized from its homepage on 4 Nov 2026.

Classified asEducation

The Ossus homepage

Vendors of Ossus and the evidence for each

Ossus declares 8 subprocessors, including AI providers Anthropic, OpenAI.

VendorCategoryEvidenceLevel
CloudflareCloud and infrastructureConfirmed
Subprocessor listProcesses data for the company11 Nov 2026Source
Websiteheader: cf-ray: a58cff065f7308c4-LAX11 Nov 2026Source
Companies using Cloudflare
AnthropicAI and LLM providersConfirmed
Subprocessor listProcesses data for the company11 Nov 2026Source
Companies using Anthropic
FirecrawlDeveloper toolsConfirmed
Subprocessor listProcesses data for the company11 Nov 2026Source
Companies using Firecrawl
gws CLIConfirmed
Subprocessor listProcesses data for the company11 Nov 2026Source
OpenAIAI and LLM providersConfirmed
Subprocessor listProcesses data for the company11 Nov 2026Source
Companies using OpenAI
ResendEmail and communicationsConfirmed
Subprocessor listProcesses data for the company11 Nov 2026Source
Companies using Resend
SendSafelySecurity and identityConfirmed
Subprocessor listNamed as SendSafely Website · Processes data for the company11 Nov 2026Source
Companies using SendSafely
TwilioEmail and communicationsConfirmed
Subprocessor listProcesses data for the company11 Nov 2026Source
Companies using Twilio
Google WorkspaceProductivityLikely
Websitemx: alt4.aspmx.l.google.com.11 Nov 2026Source
Companies using Google Workspace
Next.jsDeveloper toolsLikely
Websitescript: /_next/static/chunks/82abf2d65f5428ae.js?dpl=dpl_HvsVf11 Nov 2026Source
Companies using Next.js

1 more vendor

See Ossus's full stack and the source for every claim.

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Questions about Ossus

Certifications

StandardWhat the source saysChecked
ISO 27001Company's statement“ISO 27001 Certified”The company's own statement. We have not checked an accreditation registry.11 Nov 2026Source

We last read its homepage on 11 Nov 2026 and the FedRAMP Marketplace on 8 Nov 2026. A standard not shown here was not found in these sources. That does not mean Ossus lacks it.

Vendor's own statement, retrieved from the source URL on the date shown. StrataDB does not verify the underlying claim. Data sources.

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