1518 Open source projects that are alternatives of or similar to 0fc

Australian Open Source Intelligence Gathering Resources, Australias Largest Open Source Intelligence Repository for Cyber Professionals and Ethical Hackers

📋 Client-side paste service

OWASP Seraphimdroid is an open source project with aim to create, as a community, an open platform for education and protection of Android users against privacy and security threats.

JavaScript client for Exonum blockchain

Wireguard road warrior installer for Ubuntu, Debian, CentOS and Fedora

Encrypted end to end file transfer

Android Secure SharedPreferences Using Facebook Conceal Encryption

🔐A petite library of encryption functions for PHP

scalable group chat with tags and pretty good privacy.

This is a flutter based modern messaging app where users can sign up and log in to chat with their friends, family, colleagues among groups with enriched User-Experience.

Universal cloud storage client

MSc Module

A tiling web browser.

Uncomplicated cryptography frameworks base on CommonCrypto

An extensible open-source framework for creating private/permissioned blockchain applications

Elliptic Curve Cryptography playground/toolkit written in pure Python

Solutions to Matasano crypto challenges in Python 3.

Mundane is a Rust cryptography library backed by BoringSSL that is difficult to misuse, ergonomic, and performant (in that order).

KouChat for Android

Argon2 password hashing package for go with constant time hash comparison

Ionic chat application

JanusVR Presence Server

Distributed Blockchain-based File Storage 📡

A Real Time Chat Application built using Node.js, Express, Mongoose, Socket.io, Passport, & Redis.

Anonymous email forwarding

Providing the Element messaging desktop client packaged for the Fedora, Red Hat(IBM), and OpenSUSE families of linux desktop operating systems.

💬 Chat app for Nextcloud with XMPP, end-to-end encryption, video calls, file transfer & group chat

IOStreams is an incredibly powerful streaming library that makes changes to file formats, compression, encryption, or storage mechanism transparent to the application.

Laravel WebSockets chat

使用Perl语言（不会没关系）编写的个人账号微信/weixin/wechat客户端框架（非GUI），可通过插件提供基于HTTP协议的api接口供其他语言或系统调用

Gradle Plugin - Obfuscator String Encryption (Android/Java)

dude, is my code constant time?

🦊 & 🧅 hardening

A graphical operating system for running self-hosted software.

React Native Wrapper around Zendesk Chat v2

Paperwork - OpenSource note-taking & archiving alternative to Evernote, Microsoft OneNote & Google Keep

Lightning Network Specifications

Public Blockchain as a Decentralized Finance Infrastructure Service Platform

Open Source Data Protection/Privacy Regulatory Mapping Project

CIA - CryptoInAction

🔥 A powerful MongoDB auditing and pentesting tool 🔥

Blogs about Cryptography/Security to follow

secure 1 time message generator

MEAN stack with Angular 4 Chat App

盘点近年来的数据泄露、供应链污染事件

Scripts that illustrate basic cryptography concepts based on Coursera Standford Cryptography I course and more.

Issue tracker for GrapheneOS Android Open Source Project hardening work. Standalone projects like Auditor, AttestationServer and hardened_malloc have their own dedicated trackers.

Open-source implementation of a substantial portion of the API of Apple CryptoKit suitable for use on Linux platforms.

一个简单的多人聊天室。基于vue和node+Socket.IO

Just a little analytics insight for your personal or indie project

💬 uniapp集成环信小程序sdk,实现多端实时通讯

TokenScript schema, specs and paper

A community discussion platform: Brings together the main features from StackOverflow, Slack, Discourse, Reddit, and Disqus blog comments.

A private decentralized database replicated over Git (or any other distributed log)

QuantumGate is a peer-to-peer (P2P) communications protocol, library and API written in C++.

Sensitive Data Management: Data Discovery and Anonymization toolkit

Constant time pairing-based or elliptic curve based cryptography and digital signatures

🏆 Feature packed, easy-to-use game server API for Go back-ends and Javascript clients. Tutorials and examples included!

Context aware, pluggable and customizable data protection and anonymization SDK for text and images

A plugin for Microsoft.EntityFrameworkCore to add support of encrypted fields using built-in or custom encryption providers.