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Overview
Stirling PDF is a self-hosted PDF management platform for businesses and individuals. It offers over 50 tools for signing, converting, merging, and other document tasks, and runs locally with files erased after tasks to protect privacy. It supports automation and integration via an API, scales with Docker and Kubernetes, and includes enterprise features like SSO, user management, and permissions. It is open-source with community-driven updates on GitHub, serving the document management market and monetizing through paid plans.
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Simplify's take
What believers are saying
- November 5, 2026 pricing launched $99 Team plans and custom Enterprise contracts.
- Version 3.0 on September 24, 2026 introduced free OAuth SSO and 1,000 monthly automation credits.
- Open-source velocity stays high: the repository updated November 8, 2026 with 302 issues and 226 pull requests.
What critics are saying
- Apache PDFBox, LibreOffice, and Adobe Acrobat attack its conversion and editing workflow margins.
- The November 5, 2026 release still depends on frequent bug-fix churn, signaling product complexity.
- If security or licensing breaks trust, regulated customers will abandon Stirling PDF's self-hosted stack.
What makes Stirling PDF unique
- Stirling PDF 3.3.0 on November 5, 2026 added SSO auto-login and Windows ARM64 support.
- Its self-hosted model keeps files local, with enterprise air-gapped deployment and data residency controls.
- The GitHub project reached 96,000 stars by November 9, 2026, signaling exceptional developer mindshare.
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