Apps to Works Offline

Markor is a free and open-source plaintext and Markdown editor for Android. It offers robust note-taking capabilities, task management using the todo.txt format, and a range of features for organizing and managing various text-based content, all while working offline.

ActivityWatch is a free and open-source, privacy-focused time-tracking application that automatically monitors how you spend time on your devices, offering detailed insights into your digital activities with local storage and offline functionality.

Footnote is a streamlined and intuitive note-taking application specifically designed for elementary OS. It provides a clean interface for capturing, organizing, and syncing your thoughts and information seamlessly.

Abricotine is a user-friendly markdown editor designed for distraction-free writing with an intuitive inline preview.

pass is a lightweight, command-line password manager built on the Unix philosophy. It encrypts passwords using GnuPG and stores them in a simple directory structure, emphasizing simplicity and integration with existing file system tools.

Encryptr is a secure, zero-knowledge cloud-based password manager and e-wallet developed by SpiderOak. It focuses on privacy and security with end-to-end encryption, ensuring only you can access your sensitive data. It offers essential password management features across multiple platforms.

Aard Dictionary is a robust, free, and fast offline dictionary and knowledge base application. It allows users to download and access detailed information from various sources, including Wikipedia and other dictionaries, without an internet connection.

Zed was a powerful, open-source code and text editor designed for developers who prioritized keyboard-centric workflows and offline capabilities. It aimed to provide a fast, responsive editing experience with advanced features like syntax highlighting, code completion, and integrated tools.

RedReader is a highly-regarded open-source Reddit client for Android, prioritizing a fast, efficient, and ad-free browsing experience. It offers extensive customization options, offline capabilities, and a focus on user privacy.

File Converter is a user-friendly Windows Explorer extension designed for effortless file conversion and compression across various formats, including audio, video, and images, directly from the context menu.

Elephant is a portable, privacy-focused note-taking application featuring a classic, intuitive interface. It supports robust note organization, rich text formatting, markdown, and offline access. With capabilities like image insertion and secure cloud synchronization, Elephant is designed for users needing a reliable and versatile digital notebook.

Password Safe is a robust, free, and open-source password manager for Microsoft Windows, designed to securely store and manage your login credentials locally. Utilizing strong encryption, it offers a trusted solution for protecting your digital identity.

Markdown Edit is a robust Markdown editor exclusively for Windows, crafted for serious writers and developers who prioritize efficiency and keyboard-centric workflows. It emphasizes a clean interface and powerful feature set, moving beyond simple text areas to offer a true editing experience tailored for Markdown.

Inkpad is a lightweight vector graphics editor designed for simplicity and portability. It focuses on core drawing functionalities, layer support, and direct SVG output, making it an ideal choice for quick vector tasks, UI design mockups, and simple illustrations directly on your desktop.

Timeline is a powerful, cross-platform application designed for creating, visualizing, and navigating historical or fictional events on an interactive timeline. It's ideal for researchers, writers, educators, and anyone needing to organize complex sequences of events.

Twister is a peer-to-peer microblogging platform designed for uncensored communication. It operates on a decentralized network, ensuring free speech and privacy without central servers or third-party tracking.

ThinkComposer is a highly flexible visual modeling tool designed for users to create rich, structured diagrams based on their specific domain knowledge. It facilitates the organization and visualization of complex information through various diagram types and hierarchical structures, enabling deep understanding and effective communication of ideas.

UberWriter is a discontinued open-source minimalist text editor designed for distraction-free writing with integrated Markdown support, syntax highlighting, and a focus on simplicity. It provides a clean environment for authors and writers.

Master Password offers a unique and secure approach to password management. Instead of storing your passwords, it generates them on demand using a clever algorithm based on your master password and site details. This 'dataless' system enhances security by eliminating the risk of a central database breach.

Gruik is a powerful, free, and open-source note-taking service designed for users who value privacy, organization, and control over their data. Offering robust features like hierarchical organization, offline access, rich text formatting, and synchronization options, it provides a flexible platform for managing notes, ideas, and personal knowledge wikis.

qvPDF is a versatile PDF creator for Windows, operating as a virtual printer driver. Its modular plugin architecture allows users to perform various actions after creating a PDF, such as merging, splitting, encrypting, and converting files.

MyTetra is a versatile, cross-platform information manager designed for collecting, organizing, and managing various types of data. It excels as a portable note-taking application, personal information manager, and notebook, offering a robust outliner and rich text editing capabilities.

Clipperz is an open-source, zero-knowledge online password manager and digital vault designed for robust security and privacy, ensuring your sensitive data is protected without vendor access.

MarkPad is a robust and user-friendly markdown editor designed for writers, developers, and anyone who needs to structure and publish text efficiently. It offers a clean interface, real-time preview, and a range of features for enhanced productivity and content creation.

Open365 is a comprehensive, open-source productivity suite offering cloud storage, office applications, and communication tools. Built upon a foundation of open-source technologies like KDE, Seafile, and LibreOffice, it provides a robust alternative to proprietary solutions, emphasizing privacy and control.

Springseed is a discontinued, yet elegant and straightforward note-taking application designed for simplicity and efficiency. It leverages Markdown for formatting and offers seamless synchronization with Dropbox, making note management and accessibility across devices intuitive.

Omni Notes is a versatile open-source note-taking application for Android. It emphasizes simplicity, lightweight design, and offline functionality while providing robust features for organizing and managing your notes effectively.

AssaultCube is a free, fast-paced, first-person shooter game built on the Cube engine. It offers both online multiplayer and single-player modes, emphasizing tactical gameplay and high performance on various hardware.

nvPY is a minimalist, open-source note-taking application that seamlessly syncs with Simplenote. Designed for speed and simplicity, it provides a clean interface for focused writing and efficient note management through search and tags, echoing the user experience of Notational Velocity.

The Guide is a discontinued, portable desktop application designed for creating and organizing information in a hierarchical tree structure. It functions as an outliner and a basic personal information manager, allowing users to associate text and notes with each node in the tree.