Self-hosted email archiving platform for ingesting, storing, indexing and searching emails from Gmail, Microsoft 365, IMAP, PST and more.
2.3k stars134 forksAGPL-3.0last commit Actively maintained
5 self-hosted Cryoserver Email Archive alternatives
Cloud email-archiving service that captures, retains and indexes email for compliance, eDiscovery and long-term preservation. Provides retention policies, supervised review, audit trails, search and export/restore capabilities.
Alternatives to Cryoserver Email Archive
Self-hosted email archiving system for syncing IMAP and Microsoft 365 mailboxes, indexing content and attachments, and exporting or restoring mailboxes with auditing and retention.
2.1k stars82 forksGPL-3.0last commit Actively maintained
#3
Self-hosted email archiving server that syncs from IMAP, stores a local compressed archive, and provides fast full-text search via Web UI and REST API.
1.9k stars79 forksAGPL-3.0last commit Actively maintained
#4
Scalable email archiving solution with tamper-evident retention, full-text search, legal hold, deduplication and access controls for compliance.
341 stars50 forkslast commit Actively maintained
HyperKitty is a web interface and archiver for Mailman 3 mailing lists, providing searchable list archives, thread views, user profiles, and email interaction features.
Activity unknown
What replacing Cryoserver Email Archive actually involves
Every option on this page is open source and free to run on your own hardware, so you own the data and there is no subscription to cancel. 4 of 5 shipped a commit in the last six months. Licences in this list: AGPL-3.0, GPL-3.0. In exchange you take on hosting, backups and updates yourself.
Browse everything in Backup & Recovery.
