Apps to Open Source

Apertium is a free, open-source machine translation platform utilizing rule-based methods. It provides versatile translation capabilities, including online translation, browser integration, and potential for localized content.

Shadowsocks is an open-source, lightweight SOCKS5 proxy designed to bypass internet censorship. It provides a secure tunnel between your device and the internet, helping users access blocked content and surf anonymously by encrypting traffic and making it appear as regular HTTPS traffic.

Polr is an open-source, modern, and minimalist URL shortening platform designed for simplicity and ease of use. It allows individuals and organizations to quickly create custom, branded short links with built-in statistics and the option for custom domains. Ideal for personal use, small businesses, or developers looking for a lightweight self-hosted solution.

Litecoin (LTC) is a prominent peer-to-peer digital currency designed for rapid, low-cost transactions worldwide. As an open-source cryptocurrency, it provides a decentralized alternative to traditional financial systems, leveraging blockchain technology for secure and transparent operations.

ChatSecure is a privacy-focused messaging application for iOS that leverages the robust and decentralized XMPP protocol. It offers strong end-to-end encryption using OTR and OMEMO, ensuring confidential communication.

Etherpad is a powerful, open-source web-based editor enabling real-time collaborative document creation and editing. Multiple users can work on the same document simultaneously, seeing each other's contributions instantly and identified by unique colors. Ideal for teams needing seamless co-authoring.

Hastebin is a simple, free, and open-source paste service designed for sharing code snippets, notes, and text quickly and anonymously. It emphasizes speed and a clean interface for effortless pasting and sharing.

DiskCryptor was a free and open-source full disk encryption solution for Windows, offering robust data protection through strong cryptographic algorithms like AES, Twofish, and Serpent. It provided encryption for entire partitions or disks, including the system drive.

Tesseract is a powerful, open-source optical character recognition (OCR) engine. Originally developed by Hewlett-Packard and now maintained by Google and the community, it can read various image formats and convert them into text.

PhoneGap, powered by Apache Cordova, is a popular open-source mobile development framework enabling developers to build cross-platform mobile applications using standard web technologies like HTML, CSS, and JavaScript.

Minds is an open-source and decentralized social networking service dedicated to online freedom, privacy, and monetization for content creators. It champions free speech and offers a platform that rewards users for engagement through a points and token system.

Angry IP Scanner is a free, open-source network scanner designed for speed and simplicity. It quickly scans IP addresses and ports across any range, making it an essential tool for network administrators and users needing to discover devices on their network.

Butter Project is a discontinued open-source application suite designed for streaming video content over the BitTorrent protocol. It allowed users to watch movies and videos directly from torrents without needing to download the entire file, leveraging peer-to-peer technology for media consumption.

JabRef is a free and open-source reference management software, primarily designed for LaTeX users, utilizing BibTeX and BibLaTeX formats for efficient organization and citation of academic references and documents.

YaCy is a free, decentralized search engine powered by a global network of peer-to-peer users. It offers a privacy-focused alternative to traditional search engines, ensuring no tracking and complete user control over their search experience and data.

Pulse is a free and secure decentralized file synchronization engine developed by Ind.ie. Designed with privacy and control in mind, it allows users to synchronize files and folders directly between devices without relying on central servers, promoting data ownership and resilience. While discontinued, it represents an important effort towards decentralized file management.

Clam AntiVirus (ClamAV) is a free, open-source antivirus engine designed for scanning emails, files, and directories for various types of malicious software, including viruses, worms, and Trojans.

Workrave is a free and open-source program designed to prevent Repetitive Strain Injury (RSI) by reminding users to take breaks, perform exercises, and limit computer usage. It offers flexible timers, customizable break settings, and detailed statistics to promote healthy computer habits.

Tutanota is a leading open-source email service offering robust end-to-end encryption and enhanced privacy. It provides a secure platform for communication and calendar management, accessible via web and dedicated applications.

Diaspora is a user-owned, nonprofit, and decentralized social network based on the free Diaspora software. It aims to provide a privacy-focused alternative to traditional social media platforms, empowering users through distributed infrastructure and a focus on community control.

Pencil Project is a free and open-source GUI prototyping tool that helps designers and developers create wireframes and mockups easily. Available as a standalone application and a Firefox extension, it offers a wide range of built-in shapes and templates for various platforms.

LAME is a high-performance, widely-used open-source software library for encoding audio into the MP3 format. Known for its high-quality output and advanced encoding options, it serves as the engine for many other audio encoding applications.

RequestPolicy is a powerful, open-source browser extension for Firefox that provides granular control over cross-site requests. It helps protect users from various web vulnerabilities like Cross-Site Scripting (XSS), Cross-Site Request Forgery (CSRF), and Clickjacking by allowing you to explicitly approve or deny requests to external domains.

Apache Cordova is an open-source mobile application development framework that allows developers to build cross-platform mobile apps using standard web technologies like HTML, CSS, and JavaScript. It acts as a wrapper around web content, providing access to native device features through plugins, enabling the deployment of a single codebase across multiple mobile platforms like Android and iOS.

StarDict is a powerful, free, open-source dictionary application that provides swift access to a vast collection of dictionary files. It supports various dictionary formats and offers offline functionality, making it an essential tool for language learners and researchers.

CSipSimple is a powerful and highly configurable open-source VoIP application for Android devices, enabling high-quality voice and video calls, messaging, and integration with various SIP providers. It prioritizes security and offers advanced features for both individual users and businesses.