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OpenSourceAlternatives

Tag

encryption

30 catalogue entries use this topic; each Project's license policy is labeled separately.

LocalSend

LocalSendOpen

Share files to nearby devices.

Stars94K
Commitjust now
LicenseApache-2.0

LocalSend is a free, open-source app that sends files and text directly between nearby devices over the local network, with no account, cloud, or internet needed.

Alternative toSyncthingNextcloud
Joplin

Joplin

Free offline Markdown notes with private sync

Stars56.7K
Commitjust now
LicenseAGPL-3.0-or-later with proprietary Joplin Server licence

Joplin is a free, open-source note-taking and to-do app that keeps Markdown notes in notebooks with tags, works fully offline, and synchronises through user-chosen targets with end-to-end encryption.

Alternative toAnytypeNotion
HashiCorp Vault

HashiCorp Vault

Secrets management and access control for dynamic infrastructure

Stars36.4K
Commitjust now
LicenseBUSL-1.1

HashiCorp Vault is a secrets manager that issues short-lived credentials, encrypts application data, and brokers privileged access from one control plane.

Alternative toInfisical
KeePassXC

KeePassXC

Free offline password manager with no cloud or account

Stars29.2K
Commitjust now
LicenseGPL-2.0-or-later

KeePassXC is a free, open-source, offline password manager for Windows, macOS, and Linux. It is a community-driven port of the Windows application KeePass Password Safe, and it stores every password, passkey, and note in one encrypted database file on the user's own device, with no account, no cloud, and no telemetry.

Alternative toBitwarden1Password
Ente

EnteOpen

End-to-end encrypted photo storage across devices

Stars28.6K
Commit8h ago
LicenseAGPL-3.0

Ente stores photos and videos encrypted on the client, so the server holds ciphertext it cannot read. Sync, albums, and sharing all work on top of that constraint rather than around it.

Alternative toGoogle Photos
Notesnook

NotesnookOpen

Private encrypted notes across every device

Stars14.7K
Commitjust now
LicenseGPL-3.0

Notesnook is an open-source, end-to-end encrypted note-taking app with notebooks, tags, and reminders that works offline across mobile, web, and desktop, syncing through its own cloud from a free tier.

Alternative toJoplin
OpenVPN

OpenVPN

Self-hosted open-source VPN with TLS security and managed cloud options

Stars14.7K
Commitjust now
LicenseGPL-2.0-only

OpenVPN is an open-source virtual private network that builds encrypted TLS tunnels between devices and private networks.

Alternative toNetBird
Aegis Authenticator

Aegis AuthenticatorOpen

Free open source two-factor authenticator for Android

Stars13.2K
Commitjust now
LicenseGPL-3.0

Aegis Authenticator is a free Android app that keeps TOTP and HOTP two-factor tokens in an encrypted vault stored on the device.

Alternative to2FAS
Anytype

Anytype

Local-first notes, wikis, and tasks with end-to-end encryption

Stars8,878
Commitjust now
LicenseAny Source Available License 1.0

Anytype is a local-first workspace for notes, wikis, tasks, and databases that keeps encrypted data on-device and can import workspaces from Notion.

Alternative toNotion
Tuta

TutaOpen

Encrypted email, calendar and contacts with open-source apps

Stars8,006
Commitjust now
LicenseGPL-3.0

Tuta is an end-to-end encrypted email service with calendar and contacts, offering open-source apps and hosted servers in Germany.

Alternative toGmail
CryptPad

CryptPadOpen

Encrypted collaboration suite for docs, sheets, and files

Stars7,985
Commitjust now
LicenseAGPL-3.0

CryptPad is an encrypted collaboration suite with documents, spreadsheets, presentations, and file storage in one browser workspace.

Alternative toGoogle DriveDropbox
Standard Notes

Standard NotesOpen

End-to-end encrypted notes on every device

Stars6,659
Commitjust now
LicenseAGPL-3.0

Standard Notes is a free, open-source note-taking app that protects notes and files with audited end-to-end encryption and syncs them across unlimited devices.

Alternative toNotion
Proton Lumo

Proton LumoOpen

Private AI chat with zero-access encrypted history

Stars5,636
Commitjust now
LicenseGPL-3.0

Proton Lumo is a privacy-first AI chat assistant that stores conversations with zero-access encryption, keeps no logs, and never uses chats to train models.

Alternative toChatGPT
Cinny

Cinny

Simple, elegant Matrix chat with end-to-end encryption

Stars3,916
Commitjust now
LicenseAGPL-3.0-only

Cinny is an open-source Matrix client with a simple, elegant interface for encrypted direct messages and group conversations.

Alternative toSlackMattermost
Storj

StorjOpen

Decentralized S3-compatible cloud object storage network

Stars3,282
Commitjust now
LicenseAGPL-3.0

Storj is a distributed, S3-compatible cloud object storage platform that encrypts, fragments, and stores data across a global node network.

Alternative toGarage
Padloc

PadlocOpen

Open-source E2E-encrypted password manager for people and teams

Stars2,929
Commit1y ago
LicenseAGPL-3.0

Padloc is an open-source, end-to-end encrypted password manager for Windows, macOS, Linux, iOS, Android, and major browsers. It stores passwords, credit cards, notes, documents, and license keys in encrypted vaults that sync through the Padloc cloud, which cannot read them. It serves individuals, families, and teams that want transparent, audited credential management with secure sharing.

Alternative toBitwarden
Wire

WireOpen

End-to-end encrypted messaging and collaboration for enterprises

Stars2,552
Commit8mo ago
LicenseGPL-3.0

Wire is an end-to-end encrypted messaging and collaboration platform for enterprises and governments, with open-source clients and cloud or on-premises hosting.

Alternative toSlack
Plakar

Plakar

Open-source backup with deduplication and end-to-end encryption

Stars2,088
Commitjust now
LicenseISC

Plakar is an open-source backup tool that stores deduplicated, compressed, and encrypted snapshots you can browse and restore from anywhere.

Alternative toPluton
Hoodik

Hoodik

End-to-end encrypted storage you can self-host or buy managed

Stars1,519
Commitjust now
LicenseCC-BY-NC-4.0

Hoodik is an end-to-end encrypted storage drive with file sync, sharing, and collaboration, available as a self-hosted server or a managed cloud from 9 EUR per month.

Alternative toNextcloudDropbox
Twake Drive

Twake DriveOpen

Open-source file storage for teams, in the cloud or on your own servers

Stars988
Commitjust now
LicenseAGPL-3.0

Twake Drive is an open-source file storage app by Linagora for teams, usable in the cloud or on your own servers, with link sharing and office editing.

Alternative toNextcloud
Phase

PhaseOpen

Open-source secrets and environment management for engineering teams

Stars929
Commitjust now
LicenseMIT

Phase is an open-source, end-to-end encrypted platform for managing secrets and environment variables from development to production.

Alternative toInfisical
Pluton

PlutonOpen

Free open-source backup with end-to-end encryption

Stars851
Commitjust now
LicenseApache-2.0

Pluton is a free, self-hosted backup solution that encrypts data on-device and keeps incremental snapshots across 70+ cloud storage providers.

Alternative toGoogle Drive
WireGuard

WireGuard

Fast, modern, secure VPN tunnel

Stars727
Commit4mo ago
LicenseGPL-2.0

WireGuard is an open-source VPN tunnel that connects peers into private networks with a small auditable codebase, modern Noise-based cryptography, and in-kernel speed.

Alternative toTailscale
Seafile

SeafileOpen

Self-hosted file sync and sharing with a fast, lightweight sync engine

Stars546
Commitjust now
LicenseAGPL-3.0

Seafile is a self-hosted file sync and share platform where synced libraries, desktop and mobile clients, and Community or Professional editions keep files under operator control.

Alternative toNextcloud
dDocs

dDocsOpen

End-to-end encrypted document editor with live collaboration

Stars418
Commitjust now
LicenseAGPL-3.0

dDocs is a self-hosted document editor with live collaboration, suggestion mode, comments, and version history.

Alternative toCryptPad
Valour

ValourOpen

Open-source community platform with planets, chat, voice, and wikis

Stars411
Commitjust now
LicenseAGPL-3.0

Valour is an open-source community platform where communities called planets get chat channels, thread feeds, wikis, voice and video calls, and roles.

Alternative toDiscord
OpenNotas

OpenNotas

Simple encrypted Markdown notes with offline sync

Stars179
Commit25d ago
LicenseAGPL-3.0-or-later

OpenNotas is a free, open-source Markdown notes app with AES encryption that works offline on mobile and desktop with adapter sync.

Alternative toNotesnookJoplin
Twake Chat

Twake ChatOpen

Free open-source team messenger built on the Matrix protocol

Stars171
Commitjust now
LicenseAGPL-3.0

Twake Chat is a free open-source messenger by Linagora built on the Matrix protocol, with encrypted chats, on-premise hosting, and Android, iOS, and web apps.

Alternative toDiscord
Brace.to

Brace.toOpen

Privacy-first bookmark manager with end-to-end encryption

Stars107
Commit5mo ago
LicenseMIT

Brace.to is a privacy-focused bookmark manager that encrypts every saved link so only you can read it, on the web, iOS, and Android.

Alternative toRaindrop.io
Palform

PalformOpen

End-to-end encrypted form builder with a free unlimited plan

Stars48
Commitjust now
LicenseAGPL-3.0

Palform is an open-source form builder that encrypts every response end to end, with a free EU-hosted plan and paid team features.

Alternative toTypeform