Search Results for "encryption"
Sort By:
Showing 302 open source projects for "encryption"
View related business solutions-
Ship Agents FasterGemini Enterprise Agent Platform lets you rapidly build, scale, govern and optimize production-ready agents grounded in your organization's data. The platform enables developers to build custom or pre-built agents for virtually any use case. New customers get $300 in free credits.
-
Go from Code to Production URL in SecondsSkip the Kubernetes configs. Cloud Run handles HTTPS, scaling, and infrastructure automatically. Two million requests free per month.
-
1
Tutanota
Open source email service with a strong focus on security and privacy
Tutanota is an open source email client focused on security and privacy. It is built with end-to-end encryption and 2FA, so you can be assured of utmost email security. Tutanota is always encrypted, so whether you’re using their secure webmail client, mobile apps or desktop clients, you can be sure to communicate securely. -
2
Keybase client
Keybase Go library, client, service, OS X, iOS, Android, Electron
...You can connect with communities from Twitter, Reddit, and elsewhere. Don’t live dangerously when it comes to documents. Keybase can store your group’s photos, videos, and documents with end-to-end encryption. You can set a timer on your most sensitive messages. This distribution includes cryptographic software. The country in which you currently reside may have restrictions on the import, possession, use, and/or re-export to another country, of encryption software. BEFORE using any encryption software, please check your country's laws, regulations and policies concerning the import, possession, or use, and re-export of encryption software. -
3
Telegram Desktop
Telegram Desktop messaging app
Telegram Desktop is the official C++/Qt-based cross-platform client for Telegram, implementing the full Telegram API and MTProto protocol for secure messaging, voice/video calls, file sharing, and chat features. It provides message sync across devices, supports themes, stickers, bots, and is actively maintained. -
4
Proton Mail for Android
Proton Mail Android app
...Because ProtonMail’s service never sees unencrypted content, the Android client performs necessary encryption and decryption on the device, aligning with Proton’s privacy-first philosophy and open-source security model. -
Build Data Resilience - Take the Assessment TodayIs your recovery strategy as strong as you think? Take this quick self-assessment to check your recovery readiness and gain tailored insights. In only 2 minutes, you'll learn where you fall on the recovery readiness scale.
-
5
Encryption plugin for Pidgin, providing up to 4096 bit RSA encryption using the NSS crypto library from Mozilla. Keys are automatically transmitted and stored, making it very easy to use, but also resistant to man-in-the-middle attacks.
-
6
Signal
A private messenger for Android
Signal-Android is the official open-source Android client for Signal, a secure messaging app focused on end-to-end encryption and privacy. Developed by the Signal Foundation, it enables private messaging, voice, and video calls, without storing user data. Signal uses the Signal Protocol for encryption and does not collect metadata, making it one of the most privacy-focused communication platforms available. -
7
Proton Mail for iOS
Secure email that protects your privacy
...The app allows users to sign in to one or multiple Proton Mail accounts, read and compose encrypted messages, schedule emails, protect emails with passwords, set expiration timers, and organize mail with labels and folders inside a smooth, intuitive iOS interface. It makes use of Apple’s networking APIs and encryption frameworks to deliver seamless management of encrypted communications while respecting platform conventions like touch navigation, Apple notifications, and background refresh. All sensitive operations — including key handling and encryption — occur locally on the user’s device, ensuring that plaintext messages and secret keys are never exposed to Proton’s servers or third parties. -
8
Wire iOS
Wire for iOS (iPhone and iPad)
...It handles network communication and authentication with the backend, push notifications, local caching of data, client-side business logic, signaling with the audio-video libraries, encryption and decryption (using encryption libraries from a lower level) and other bits and pieces. The user interface layer of the mobile app is built on top of the sync engine, which provides the data to display to the UI. The sync engine itself is built on top of a few third-party frameworks, and uses Wire components that are shared between platforms for cryptography (Proteus/Cryptobox) and audio-video signaling (AVS). -
9
PairDrop
PairDrop, Transfer Files Cross-Platform
PairDrop is a self-hosted, open-source alternative to Apple's AirDrop, allowing users to share files between devices over the same local network without the need for an internet connection. -
Custom VMs From 1 to 96 vCPUs With 99.95% UptimeLive migration and automatic failover keep workloads online through maintenance. One free e2-micro VM every month.
-
10
Dino
Modern XMPP ("Jabber") Chat Client using GTK/Vala
Dino is a modern, secure, and user-friendly XMPP (Jabber) chat client designed for desktop systems. It aims to provide a polished experience for private and group messaging, with a focus on privacy, end-to-end encryption, and federated communication. Unlike centralized chat platforms, Dino supports standard XMPP servers and integrates features like OMEMO encryption, media sharing, and modern chat UX patterns. It’s written in GTK and optimized for Linux environments, making it a solid choice for privacy-conscious users and open communication advocates. -
11
LocalSend
An open-source cross-platform alternative to AirDrop
LocalSend is a free, open-source app that allows you to securely share files and messages with nearby devices over your local network without needing an internet connection. LocalSend is a cross-platform app that enables secure communication between devices using a REST API and HTTPS encryption. Unlike other messaging apps that rely on external servers, LocalSend doesn't require an internet connection or third-party servers, making it a fast and reliable solution for local communication. -
12
Element
A glossy Matrix collaboration client for the web
...It offers teams, friends and organizations a secure, all in one chat app that is protected from pesky ads and data mining methods. All communications are done through the open global Matrix network, secured with end-to-end encryption. Element gives you all the services you need from a chat app: group chat, video calls, file sharing and more-- all done securely and in total privacy. Element has three different tiers of support for different environments, the most supported being the latest versions of Chrome, Firefox, and Safari on desktop OSes. -
13
Cinny
Yet another matrix client
...As a web-based Matrix client, Cinny emphasizes a modern and streamlined interface, clean navigation between direct messages and channels, and a design that prioritizes clarity and ease of use while preserving strong security through end-to-end encryption. Users can self-host Cinny, deploy it via Docker or as a static web app, and connect to Matrix homeservers to participate in federated chats across communities and personal networks. The client also supports common Matrix features such as spaces, multi-account login, threads, and secure messaging patterns that make it competitive with other decentralized IM platforms. -
14
PHPMailer
The classic email sending library for PHP
...Many PHP developers need to send email from their code. The only PHP function that supports this directly is mail(). However, it does not provide any assistance for making use of popular features such as encryption, authentication, HTML messages, and attachments. Formatting email correctly is surprisingly difficult. There are myriad overlapping (and conflicting) standards, requiring tight adherence to horribly complicated formatting and encoding rules – the vast majority of code that you'll find online that uses the mail() function directly is just plain wrong, if not unsafe! -
15
Element Android
A glossy Matrix collaboration client for Android
...It is a messenger that allows users to talk to anyone regardless of their app, while providing unparalleled privacy and security. It protects conversations from data-mining and ads with proper end-to-end encryption, so you can feel totally secure. Element is used by millions all over the world for their business, organizations, and even for personal and home use. It is part of the Matrix ecosystem, which is an open network for secure, decentralised communication governed by The Matrix.org Foundation. -
16
Freenet Core
Declare your digital independence
Freenet Core is the backbone of the Freenet Project, a peer-to-peer platform for censorship-resistant, anonymous publishing and communication. It is designed to provide strong privacy by routing requests through multiple nodes using a "darknet" architecture where users connect only to trusted peers. Data is stored in a distributed manner and automatically replicated based on demand. Freenet is optimized for users who want to securely share files, host anonymous websites (known as... -
17
Wesh Network Toolkit
Async Mesh Network Protocol for Extreme Communication
...Wesh provides a secured, distributed and asynchronous communication protocol, both with or without internet access using IPFS and direct transports such as BLE and proximity drivers. Wesh Protocol provides end-to-end encryption and perfect forward secrecy for all the exchanged messages. Distributed p2p transmissions and hosting over IPFS powered by CRDT algorithm. Efficient end-to-end encryption and perfect forward secrecy to prevent eavesdropping and provide reliable identity access management. Distributed authentication and authorization. Multiple devices per identity. ... -
18
Element iOS
A glossy Matrix collaboration client for iOS
...The app provides users with a rich environment for encrypted messaging, group chats, voice and video calls, file attachments, and room creation, all while interoperating seamlessly with the wider Matrix network — meaning you can communicate across servers and services that adopt the same protocol. On iOS, Element handles user identity, room membership, and end-to-end encryption with strong key management, allowing users to hold secure conversations that only intended participants can read, even across federated instances. The interface adheres to modern iOS paradigms, offering intuitive navigation, notifications, threaded replies, message reactions, customizable themes, and support for rich media rendering. -
19
jrnl
Collect your thoughts and notes without leaving the command line
...Journals are stored as human-readable plain text, and can also be encrypted using AES encryption. -
20
Portable Text Encryption
Single Linux or Windows binary for secure text encryption
...I don't make cute interfaces, it just works. https://codeberg.org/BloodFeastMan/pte I would also recommend FTC, encrypts both files and text using the same interface as PTE, and a separate encryption and hashing engine I wrote in Crystal, and is much faster than PTE: https://sourceforge.net/projects/ft-crypt/ -
21
xmpp.js
XMPP for JavaScript
xmpp.js is a JavaScript library for the Extensible Messaging and Presence Protocol (XMPP), facilitating real-time communication features like instant messaging and presence information. -
22
Signal Desktop
Private messenger for Windows, Mac, and Linux
Say "hello" to a different messaging experience. An unexpected focus on privacy, combined with all of the features you expect. State-of-the-art end-to-end encryption (powered by the open source Signal Protocol) keeps your conversations secure. We can't read your messages or listen to your calls, and no one else can either. Privacy isn’t an optional mode, it’s just the way that Signal works. Every message, every call, every time. Share text, voice messages, photos, videos, GIFs and files for free. ... -
23
Signal iOS
A private messenger for iOS
Signal is a free, open source, messaging app for simple private communication with friends. Say "hello" to a different way of chatting: Signal is all about privacy, but with all the features you expect from a chat app. State-of-the-art end-to-end encryption (backed by Signal's open source protocol) keeps your chats safe. Neither we can read your messages or listen to your calls, nor anyone else. Privacy is not an optional mode, it is how Signal works. In all your messages, all your calls, forever. Send and receive messages, voice memos, photos, videos, GIFs and files for free. Signal uses your phone's data connection so no SMS or MMS charges are incurred. ... -
24
Jitsi Meet
Secure, simple and scalable video conferences application
...Yep, it’s free — and it’s technologically advanced, too. In fact, Jitsi Meet sounds better, thanks to HD audio with Opus; is anonymous, no need for an account, ever! It also keeps conversations private with encryption by default (and advanced security settings) and is developer-friendly, modify and customize it to your heart’s content. It’s 100% open source. Trade messages and emojis while you video conference, with integrated chat. -
25
Session for iOS
A Decentralized, Onion Routed, Private Messenger
Session iOS is the native iPhone and iPad client for the Session secure messaging ecosystem, engineered to bring private, anonymous communication to Apple’s mobile platforms without relying on phone numbers or email addresses. The app supports encrypted one-on-one and group chats, voice messages, file and image sharing, and threaded conversations, all delivered over a decentralized onion network designed to conceal metadata such as sender identity, message timing, and network path. On iOS,...
