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Stratis Storage
(stratis-storage.github.io)
tool
local storage pool manager layered on device-mapper, XFS, LUKS and Clevis; online re-encryption
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cryptsetup / LUKS
(GitLab)
repo
Linux disk encryption tooling and the LUKS on-disk format
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Restic Documentation — restic 0.19.1 documentation
(restic.readthedocs.io)
reference
restic manual: repositories on SFTP, S3, B2, Azure, rclone; snapshots, encryption, pruning, scripted backups
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What is Kopia?
(kopia.io)
reference
Encrypted, deduplicated, compressed snapshots to cloud, NAS or local repos; CLI and GUI, open source
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OpenSSL Documentation
(docs.openssl.org)
reference
openssl command line, libssl/libcrypto functions, TLS and QUIC client/server guides, FIPS notes
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Kerberos: The Network Authentication Protocol
(web.mit.edu)
tool
MIT's free implementation of Kerberos 5 secret-key network authentication, with krb5 source releases
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EJBCA - The Open-Source Certificate Authority (CA)
(EJBCA)
tool
open-source certificate authority for internal PKI, IoT and eIDs, with SignServer signing engine
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strongSwan - IPsec VPN for Linux, Android, FreeBSD, macOS, Windows
(strongswan.org)
tool
IPsec IKEv2 daemon with MOBIKE, NAT traversal and a plugin system; GPL, Linux through Windows
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OpenSSH
(openssh.org)
tool
BSD-licensed suite from the OpenBSD project: sshd, scp, sftp, agent, key tools and tunnelling
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restic · Backups done right!
(restic.net)
tool
Single-binary deduplicating backup to local, SFTP or cloud storage, encrypted and restore-verifiable
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BorgBackup – Deduplicating archiver with compression and authenticated encryption
(borgbackup.org)
tool
Content-defined chunking, FUSE-mountable archives, untrusted remote repos; BSD-licensed, Linux/macOS/BSD
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Syncthing
(syncthing.net)
tool
Peer-to-peer continuous sync with no central server; TLS-secured, devices authorised by certificate
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WireGuard: fast, modern, secure VPN tunnel
(wireguard.com)
tool
In-kernel tunnel with modern crypto, leaner than IPsec and OpenVPN; also on Windows, macOS, BSD, mobile
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KeePassXC Password Manager
(keepassxc.org)
tool
Offline encrypted KDBX vault for Windows, macOS and Linux; no cloud or subscription, ANSSI-certified
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VeraCrypt - Free Open source disk encryption with strong security for the Paranoid
(veracrypt.io)
tool
TrueCrypt 7.1a successor with 200k-iteration KDF, hidden volumes and full system-partition setup
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The GNU Privacy Guard
(gnupg.org)
tool
command-line OpenPGP implementation with key management, S/MIME and ssh support; Gpg4win for Windows
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Signal Messenger: Speak Freely
(Signal Messenger)
tool
Encrypted chat, voice and video over mobile data using the Signal Protocol; no ads or tracking