Keybase is a secure messaging and file-sharing platform that also offers end-to-end encryption and identity verification.
Best Hagrid Alternatives ranked by AI · updated Sep 2026
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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 can be self-hosted.
Top 6 Hagrid alternatives
GnuPG is a complete and free implementation of the OpenPGP standard as defined by RFC4880. GnuPG allows you to encrypt and sign...
OpenPGP Keyserver is a public service for publishing and discovering OpenPGP public keys. It focuses on privacy-preserving key lookup, verified email addresses,...
Pros
- Uses a privacy-conscious verification model that limits exposed identity data
- Works with modern OpenPGP clients and the standard HKP protocol
- Provides a widely used, publicly accessible key lookup service
Cons
- Only publishes email addresses that owners explicitly verify
- Does not provide the broad social-key signatures of older keyserver networks
- Offers less control than self-hosted keyserver software
4
Ubuntu Keyserver
Canonical
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
5
Hockeypuck
Hockeypuck contributors
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
6
Mailvelope Key Server
Mailvelope GmbH
Mailvelope Key Server is a hosted OpenPGP public-key service used by Mailvelope and compatible clients. It provides key publication and lookup with...
Pros
- Works naturally with Mailvelope's browser encryption ecosystem
- Provides a hosted alternative requiring no server maintenance
- Supports public-key discovery for compatible OpenPGP clients
Cons
- Less broadly adopted than OpenPGP Keyserver
- Best suited to Mailvelope-centered workflows
- Offers less deployment control than Hagrid or Hockeypuck
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