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Open Archiver vs piler

The same facts for both, read from GitHub every night, and the relation a person reviewed.

Open Archiverpiler
LanguageTypeScriptPHP
LicenceAGPL-3.0Other
Stars2.4k353
Latestv0.6.0piler-1.4.9
Last push2026-10-162026-10-07
Release cadenceabout 26 days between releasesabout 209 days between releases
Active contributors1 commit author on the default branch in the last 90 days6 commit authors on the default branch in the last 90 days
Flagsnonenone

How they relate

  • Both replace MailStore. Alternatives to MailStore →

    PartialOpen ArchiverArchives mail from IMAP, Google Workspace and Microsoft 365 into a searchable store, self-hosted.

    Full replacementpilerArchives mail with full-text search, retention rules, legal hold and audit, self-hosted.

  • Both replace Mimecast. Alternatives to Mimecast →

    PartialOpen ArchiverMail archive with search and retention, without the email security gateway.

    PartialpilerMail archive with search and legal hold, without the email security gateway.