hash-calendar vs SeaweedFS
A side-by-side comparison of two self-hosted file sync & storage options
— licensing, setup difficulty, resource needs, and what each one
replaces.
Not the right match-up?
Compare hash-calendar with
choose an app… Syncthing LocalSend MinIO copyparty Puter croc Spacedrive Nextcloud File Browser NeoMutt Betterbird Open Web Calendar Claws Mail Kontact
Compare SeaweedFS with
choose an app… Immich Syncthing LocalSend MinIO Rclone copyparty Puter PhotoPrism croc Spacedrive Nextcloud File Browser Restic Cloudreve Ente Photos DeepFace Magic Wormhole Snapdrop gallery-dl Kubo (IPFS) Ceph transfer.sh ProjectSend alt: Vert.sh File converter Seafile Duplicati Stalwart Kopia Color Thief BorgBackup darktable SFTPGo PairDrop ShareDrop Dufs Thumbor qrcp Nextcloud All-in-One Velero FilePizza OctoPrint ownCloud LibrePhotos CryptPad miniserve FileBrowser Quantum bup Conduit File Sync Backrest Resilio Sync alternative Onionshare wger Photoview closet GoToSocial NoNo upspin imaginary h5ai Tiny File Manager Send Google Photos Takeout Helper OpenCloud WebDAV Server Go Duplicacy Unison Flying Carpet CKAN SparkleShare elFinder Pingvin Share gocryptfs Kinto pgBackRest Syncthing Android Wrapper bitmagnet Nextcloud Desktop Sync slskd Updog Zipline FileGator PicoShare RcloneView gohttpserver Gokapi LubeLogger Chibisafe Mazanoke Syncthing-Fork Directory Lister Peergos Palmr Reitti CryFS Pydio Cells Mainsail OpenCloud Files Enclosed git-annex ProjectSend Zenko CloudServer bittorrent-tracker Apaxy PsiTransfer Plik Firefox SyncStorage Nextcloud companion go-filecoin none WebDAV-Aria Syncany Sync-in HortusFox FreeFileSync Garage Linx Slink Sharry rmfakecloud Morphos server Picsur rsync.net alternative Stash NoDuplicate HomeHub Uguu rustypaste XBackBone Zen scanservjs Gossa Threema Web FileRise Pomf Readur Poznote Webtor QuickShare ownCloud Web DumbDrop Wingfit Local Content Share Cryptomator CLI 015 IFM mikochi Open Web Calendar ThinkDashboard Davros goploader Lufi Files Sharing Filebin Kleeja Z-Push PrivyDrop Flare Nephele File Drop Cryptomator Hub ZeroNote Pydio Cells Sync Shifter Passky Client Pydio Cells Client elixire Dropgate Server IPFS Podcasting Digirecord Feber FileRun GoSƐ Jirafeau LibreOffice pacebin Resilio Sync ResourceSpace Samba slcl Surfer Yetishare
Feature hash-calendar SeaweedFS Category File Sync & Storage File Sync & Storage License MIT Apache-2.0 Language JavaScript Go Setup difficulty Medium Hard Min. RAM 512 MB 512 MB Deployment bare-metal docker, kubernetes, binary GitHub stars ★ 69 ★ 33,952 First released 2026 2015 Replaces Google Agenda, Microsoft Outlook Amazon S3
Why pick each one
Choose hash-calendar if… Released under the MIT license Written in JavaScript Lightweight — runs in 512 MB RAM hash-calendar details Choose SeaweedFS if… Released under the Apache-2.0 license First-class Docker support for quick deployment Kubernetes-ready with Helm charts available Mature project with 34k GitHub stars SeaweedFS details
Frequently asked questions Is hash-calendar or SeaweedFS better? Neither is universally better. SeaweedFS has the larger community, while hash-calendar is simpler to set up (medium difficulty). Choose based on the comparison table above and your own setup.
Are hash-calendar and SeaweedFS free and open-source? Yes. hash-calendar is licensed under MIT and SeaweedFS under Apache-2.0. Both can be self-hosted at no software cost.
Can I run hash-calendar and SeaweedFS with Docker? hash-calendar: check the project docs for container support. SeaweedFS: yes.