Online and Web Apps

Diagramo is a robust, open-source web-based diagramming tool perfect for creating flowcharts, graphs, and various diagrams directly in your browser. Built on HTML5, it offers real-time collaboration and flexible export options, making it accessible and versatile.

Pootle is an open-source web-based translation management platform designed to facilitate the localization of software and other content. Built on Python and Django, it offers a collaborative environment for translators and project managers to manage translation projects, ensure quality, and streamline the localization workflow.

StepMania is a versatile, open-source rhythm game engine and simulator, primarily known for replicating the arcade dance experience. It supports a wide range of input methods and game modes, allowing players to enjoy rhythm gaming on their own terms.

Movim is a distributed social network platform leveraging the open XMPP protocol. It provides a decentralized environment for users to connect, share content, and communicate through chat and group messaging, offering an alternative to centralized social media.

freedb is a free, community-maintained database providing track listings and metadata for audio CDs. It allows software to automatically identify and tag audio tracks from CDs, making it a valuable resource for music enthusiasts and developers alike.

Madsonic is a robust, web-based media server optimized for streaming music collections. It allows users to access and stream their entire music library from anywhere with an internet connection, supporting multiple users and a wide range of audio formats.

Wikiversity is a Wikimedia Foundation project dedicated to creating and hosting free learning resources, facilitating learning projects, and supporting research within a collaborative, open environment. It serves as a global laboratory for educational methods and materials across all levels of education.

Matplotlib is a comprehensive plotting library for Python, enabling the creation of static, animated, and interactive visualizations in a variety of formats. It is widely used in scientific computing and data analysis.

YOURLS (Your Own URL Shortener) is a free and open-source suite of PHP scripts enabling users to host and manage their own custom URL shortening service. It offers a private branding alternative to public shorter services, providing control over data and branding.

Cloudron is a comprehensive platform designed for individuals and businesses to easily deploy, manage, and secure web applications on their own server infrastructure. It automates critical tasks like updates, backups, and security patching, providing a self-hosted alternative to SaaS while maintaining ease of use and ensuring data privacy.

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.

Dolibarr ERP CRM is a versatile and free/open source software designed for small and medium-sized businesses, foundations, and freelancers. It offers a comprehensive suite of tools covering Enterprise Resource Planning (ERP) and Customer Relationship Management (CRM), alongside other essential business functionalities.

Fontello is a free web-based platform that allows users to select and combine popular icon sets into a single downloadable font package. It simplifies the process of using vector icons on websites by generating optimized font files, CSS, and documentation.

Tatoeba is a collaborative online collection of sentences and their translations, designed to aid language learners by providing real-world examples of language use. It's a community-driven resource constantly growing with contributions from users worldwide.

Chamilo is a free, open-source learning management system (LMS) designed to improve access to education. It offers a comprehensive suite of tools for creating, managing, and delivering online courses and training programs, suitable for educational institutions and corporate environments alike.

Horde Groupware is a free, web-based suite of applications designed for collaboration and productivity. Built on the robust Horde framework, it offers a comprehensive set of tools including webmail, calendar, task management, and note-taking, providing an integrated platform for individuals and teams.

jQuery Mobile is a comprehensive HTML5-based user interface system designed to make responsive websites and apps that are accessible on all smartphone, tablet, and desktop devices.

Novius OS is a flexible, open-source content management system (CMS) designed for creating and managing websites, e-commerce stores, intranets, and more. Built on the robust FuelPHP framework, it offers a modular architecture and an intuitive interface for effective digital content management.

Bipio was a Node.js-based web automation framework enabling users to create 'bips' - automation workflows connecting various web services for tasks like file synchronization, API integration, and data processing. It offered customizable triggers, actions, and integrations to automate complex online activities.

Mautic is a powerful, open-source marketing automation platform designed to empower businesses of all sizes with the tools they need to manage customer relationships, automate campaigns, generate leads, and analyze marketing performance.

Flyspray is a powerful yet lightweight, web-based bug tracking system designed to streamline software development and project management workflows. Built in PHP, it offers a customizable platform for tracking bugs, managing tasks, and fostering team collaboration.

ScreenCloud is a cloud-based digital signage platform that allows users to easily display content on various screens using readily available hardware. It simplifies the process of transforming standard displays into dynamic digital signs for businesses, organizations, and public spaces.

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.

svg-edit is a free, open-source, web-based vector graphics editor that empowers users to create and manipulate Scalable Vector Graphics (SVG) images directly in their web browser without the need for any additional software installations. It's a versatile tool for designers, illustrators, and anyone needing to work with vector graphics for web development, print, or other applications.

PortableLinuxApps.org is a platform dedicated to promoting and providing tools for creating and distributing portable applications on Linux. It primarily focuses on AppImageKit, a technology enabling the creation of self-contained applications that run on various Linux distributions without requiring installation.

Kopano is a versatile open-source groupware suite offering email, calendaring, contacts, and online collaboration tools for businesses and organizations. It provides flexible deployment options, including on-premises and hosted solutions, with strong focus on data privacy and security.

Mibew Messenger is an open-source live support tool for websites, enabling real-time chat between visitors and support operators directly through a browser interface. It is built using PHP and MySQL.

EtherCalc is a free and open-source web-based spreadsheet application designed for real-time collaborative editing. It allows multiple users to simultaneously view and edit the same spreadsheet directly in a web browser without requiring any software installation, making it ideal for collaborative data entry and basic calculations.

Warsow is a fast-paced, open-source arena first-person shooter designed for competitive play. It emphasizes movement, aiming, and strategic gameplay in futuristic environments.

Agar.io Clone is an open-source recreation of the popular Agar.io browser game. It allows users to host their own server and participate in a deathmatch-style game where players control cells to consume smaller cells and survive larger ones.

RankHacker.com is a comprehensive online SEO platform designed to automate and streamline vital search engine optimization tasks. It offers tools for competitive analysis, detailed keyword research, content optimization, and performance tracking, empowering businesses and marketers to improve their search engine rankings and organic traffic.

Algolia is an AI-powered search and discovery platform designed to seamlessly integrate into any website or application. It provides fast, relevant, and scalable search experiences for users, enhancing engagement and conversion rates.

SCI-HUB is a controversial online platform providing free access to millions of research papers and scientific articles, often bypassing publisher paywalls.

Mevvy is an innovative platform designed to help users discover, categorize, and compare software applications across various platforms and use cases. It provides tools to find apps tailored to individual interests and needs, facilitating informed software choices.

Library Genesis (LibGen) is a widely-known online repository offering a vast collection of books, articles, comics, and magazines, primarily focusing on academic and scientific literature, available for free download.

Concord is a comprehensive digital document and contract lifecycle management (CLM) platform designed for businesses of all sizes. It streamlines document creation, negotiation, e-signing, execution, and post-execution management within a single, secure environment. Concord focuses on collaboration, efficiency, and compliance throughout the entire document lifecycle.

Giganews is a leading premium Usenet service provider offering high-speed access to newsgroups and comprehensive retention.

Hover is a comprehensive platform specializing in domain name registration and email hosting services, designed for individuals and businesses seeking simple, transparent, and private online presence solutions.

Spotlyte is a comprehensive social media management platform designed for brands, agencies, and small businesses. It streamlines content aggregation, publishing, and analysis across various social channels.

LiquidPlanner is a dynamic project management software designed for teams that need to manage complex projects with shifting priorities. It leverages a unique scheduling engine to provide realistic project finish dates and resource allocation insights, enabling businesses to adapt to changing demands and make data-driven decisions.