Best OpenPGP Keyserver Alternatives ranked by AI · updated Sep 2026

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OpenPGP Keyserver is a public service for publishing and discovering OpenPGP public keys. It focuses on privacy-preserving key lookup, verified email addresses, and modern OpenPGP interoperability.

Developer: OpenPGP keyserver team Price: Free 🎯 keys.openpgp.org

🔒 Encryption 🔒 Privacy 🔓 Open Source openpgp key management

Top 6 OpenPGP Keyserver alternatives

Ubuntu Keyserver

Canonical

💡 Pick it for broad HKP compatibility and strong integration with Ubuntu and Debian signing workflows.

Ubuntu Keyserver is a public OpenPGP keyserver operated by Canonical for key discovery and distribution. It supports common HKP-compatible workflows and is...

Pros

Well integrated with Ubuntu and Debian package-signing workflows
Supports established HKP-compatible client tools
Simple public lookup and upload workflow

Cons

Provides fewer privacy controls than OpenPGP Keyserver
Older keyserver conventions can expose more metadata
Public key management is less tightly identity-verified

Free

Alternatives to Ubuntu Keyserver → Visit site

Hagrid

Sequoia-PGP project

💡 Pick it when you want to self-host a modern, privacy-focused OpenPGP keyserver.

Hagrid is an open-source OpenPGP keyserver implementation designed for modern key publication and retrieval. It powers privacy-oriented deployments such as keys.openpgp.org and...

Pros

Provides the modern privacy model associated with keys.openpgp.org
Can be self-hosted for control over data and availability
Designed around current OpenPGP standards and workflows

Cons

Requires server administration and operational expertise
Has a smaller deployment ecosystem than older keyserver software
Email verification setup adds deployment complexity

Free, open source

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Hockeypuck

Hockeypuck contributors

💡 Pick it for a self-hosted, synchronizable keyserver with more infrastructure control.

Hockeypuck is an open-source OpenPGP keyserver that supports key storage, lookup, and synchronization. It is aimed at organizations and administrators that need...

Pros

Supports self-hosted public keyserver deployments
Designed for synchronization across keyserver instances
More operationally flexible than hosted services

Cons

Requires more administration than OpenPGP Keyserver
Deployment and federation are more complex for small teams
Legacy-compatible behavior can expose more metadata

Free, open source

Alternatives to Hockeypuck → Visit site

Mailvelope Key Server

Mailvelope GmbH

💡 Pick it if your OpenPGP workflow is centered on Mailvelope and browser-based encrypted email.

Mailvelope Key Server is a hosted OpenPGP public-key service used by Mailvelope and compatible clients. It provides key publication and lookup with...