Directory
Published directory entries matching your search.
Koofr is a cloud storage service offering tools for file organization, productivity and online collaboration. It is accessible through the web, desktop, mobile, WebDAV protocol or Rclone, without individual file size or file type limits. Koofr Vault is described as an open source, client-side, zero-knowledge encrypted storage application by Koofr.
This is the official GitHub repository for Kopia, a cross-platform backup tool for Windows, macOS and Linux. The tool provides fast incremental backups, client-side end-to-end encryption, compression and data deduplication, and includes both command-line interface and graphical user interface options.
Kryptor is a free, open source file encryption and signing tool for Windows, Linux, and macOS. It is designed as a simple, modern, and user-friendly alternative to GPG, age, and Minisign. Pre-built binaries are available for x64 and ARM64 architectures across supported operating systems.
kTorrent is a BitTorrent application by KDE for downloading files using the BitTorrent protocol. It can run multiple torrents simultaneously and includes features such as torrent queuing, global and per-torrent speed limits, selective downloading and file prioritization for multi-file torrents, protocol encryption, DHT, UPnP port forwarding, and tracker authentication. Plugins add further functionality.
Let's Encrypt is a free, automated, and open Certificate Authority operated by the nonprofit Internet Security Research Group. It provides free TLS certificates so websites can enable HTTPS encryption; obtaining a certificate requires demonstrating control over the domain, and issuance uses the ACME protocol with client software.
linshare helps share or store files with encryption, access control, or privacy-focused transfer features.
LocalSend is a free, open-source, cross-platform tool for sharing files to nearby devices over a local network without the cloud. It is available for Windows, macOS, Linux, Android and iOS, requires no account or login, and uses end-to-end encryption. Transfers work offline at WiFi speeds.
A directory of clients for the Matrix open protocol for secure decentralised communications. It lists featured and other clients and notes that clients are needed to chat using Matrix, with a selection of the most mature ones. Entries cover platforms and features such as end-to-end encryption, spaces, threads and voice and video calls.
MEGA is an encrypted cloud storage service offering free storage, secure file upload, download and sharing, private chat and meetings, plus a VPN and password manager. It uses zero-knowledge encryption so only the data owner and authorised users hold the keys.
MicroBin is a self-hosted text and file sharing web application described as a paste bin. It offers features such as URL redirection, automatic file expiry, raw file serving and three levels of encryption. The project provides documentation for creating, accessing and modifying uploads, privacy levels and installation via Docker or Cargo.
Molly is a hardened version of Signal for Android that connects to Signal's servers. It adds optional security features such as passphrase encryption of the app database, an automatic lock, a secure RAM wiper, blocking of unknown contacts, and Tor or SOCKS proxy support. It is released in Molly and Molly-FOSS versions.
Monocles mail is a secure and open source e-mail client for Android, described as a fork of K-9 mail that keeps the known functions of K-9 mail with some UI updates. It supports multiple accounts, a unified inbox, local and server-side search, and OpenPGP email encryption. The source states it is privacy-friendly, with no tracking and only connecting to the user's email provider.
NetShare is an app for sharing a device's internet or Wi-Fi connection with other devices without root access. It creates a Wi-Fi hotspot and can act as a Wi-Fi repeater to extend an existing network. Because Android system limitations prevent direct routing without root, connected devices use a local proxy server, and the hotspot is secured with WPA2 encryption. Setup guides cover Windows, macOS, Android, iOS, Chromebook and Linux.
A guide page for OpNewblood, aimed at people new to Anonymous. It explains setting up IRC chat for regular contact with other Anonymous users and browsing the internet without exposing location or other sensitive information. It describes IRC as an old, low-resource chat method supporting Python or Perl scripts, FiSHLiM message encryption and file transfers.
Notesnook is an open-source note-taking app with end-to-end encryption, available as desktop, web and mobile clients. It supports notebooks, tags, favorites, pins, linked notes, an app lock and publishing a single note as a web page behind an optional password. It offers sync across devices and imports from Evernote, Google Keep, Obsidian, Joplin and other apps and formats.
Online Tools is a collection of free browser-based utilities for hashing, encoding, encryption, formatting, compression, file processing, QR codes, UUIDs, JSON and XML. The page groups tools under categories including hash, cryptography, compression, encoding, format conversion and generators.
A collection of free browser-based tools for hashing, encoding, encryption, formatting, compression, file processing, QR codes, UUIDs, JSON and XML. It groups utilities for cryptography, compression, encoding and format conversion in one page.
OpenStego is a free steganography tool written in pure Java. It provides data hiding, which hides data within a cover file such as an image, and beta watermarking, which embeds an invisible signature to detect unauthorized file copying. It supports password-based encryption with AES 128 and AES 256 and a plugin architecture.
Pastemyst is a free and open-source website for storing and sharing text and code snippets, with syntax highlighting for many languages and optional password encryption. It includes an API and API libraries, and its API is rate limited to 5 requests per second.
PeaZip is a free, open-source file archiver utility for Windows, macOS and Linux. It opens and extracts RAR, TAR and ZIP archives and supports more than 200 formats. The software is built on 7-Zip, Zstandard, FreeArc, Brotli and PAQ compressor technologies. It adds two-factor authentication with a password and keyfile for formats supporting encryption, and it is natively portable.
Open-source storage, sharing, and sync with end-to-end encryption, protected metadata, hosted accounts, and self-hosting support.
Picocrypt NG is a community-developed continuation of the archived Picocrypt project, described as a small, simple file encryption tool. It uses the XChaCha20 cipher and the Argon2id key derivation function. Windows 7/8 builds are CLI-only, and the macOS release targets Apple Silicon and macOS 15.0 or later.
PiVPN is a set of shell scripts designed to set up and manage a VPN on a Raspberry Pi, and the installer also works on Ubuntu or Debian. It allows customization of the VPN port, key encryption strength and client DNS server, and provides a pivpn command for adding or revoking client profiles.
Portal is a command-line file transfer utility for sending files and folders between computers. Senders generate a temporary password that receivers use to connect, with transfer occurring directly or through a relay server. It supports end-to-end encryption using PAKE2 and parallel gzip compression.
