Best Online and Web Apps and Services

Handpicked collection of the most popular and highly-rated Online and Web applications

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Metro UI CSS

Metro UI CSS

Open Source

Metro UI CSS is a robust and versatile CSS framework specifically designed to replicate the look and feel of Microsoft's Metro design language. It provides a comprehensive set of pre-built components, styles, and themes to help developers quickly build modern, responsive web interfaces with a distinct Metro aesthetic.

Facilitates rapid development of Metro-styled interfaces.
Responsive design
Development
Dotcms

Dotcms

Open Source

dotCMS is a powerful open-source headlss Content Management System built on Java, designed for enterprise-level content management, enabling businesses to deliver personalized digital experiences across multiple channels.

Hybrid CMS architecture offers flexibility.
Business & Commerce
Goteo

Goteo

Open Source

Goteo is a leading open-source crowdfunding and collaborative funding platform designed for projects with social impact. It facilitates transparent and community-driven funding for initiatives that contribute to the common good.

Strong focus on social impact projects.
Community based
Development Social & Communications
inoERP

inoERP

Open Source

inoERP is a comprehensive, open-source web-based enterprise management system. It provides a unified platform for various business functions including ERP, CRM, and financial management, designed for businesses seeking a flexible and customizable solution.

Open Source and customizable.
Inventory management
Business & Commerce Development
Bulma

Bulma

Open Source

Bulma is a modern, open-source CSS framework based on Flexbox. It provides a collection of pre-designed components and a responsive grid system to streamline front-end development and build elegant web interfaces quickly.

Based on Flexbox, providing powerful layout capabilities.
Mobile friendly
Development
Zepto.js

Zepto.js

Open Source

Zepto.js is a minimalist JavaScript library specifically designed for mobile web browsers, offering a jQuery-compatible API for handling DOM manipulation, events, AJAX, and animations, while prioritizing small size and performance.

Extremely lightweight and small file size.
Development Education & Reference
OSQA

OSQA

Open Source

OSQA is a robust, open-source question and answer system designed to power community-driven knowledge sharing platforms. Built on Python and Django, it provides the tools needed to create Stack Overflow-style forums where users can ask, answer, and rate questions.

Free to use and modify due to its open-source license.
Community based
Education & Reference
blogstrap.py

blogstrap.py

Open Source

Blogstrap.py is a lightweight and simple flat-file CMS built using web.py and Bootstrap 3, ideal for developers and users who prefer a minimalist approach to blogging and website creation. It offers a no-database solution for self-hosted blogs.

Extremely easy to deploy due to flat-file architecture.
Blogging
Business & Commerce Development Photos & Graphics Social & Communications
App.net

App.net

Open Source

App.net was a subscription-based online social networking service and microblogging platform, notable for its explicit rejection of advertising in favor of a developer-centric and user-supported model.

Completely ad-free experience for users.
Push Notifications
Social & Communications
NodeBB

NodeBB

Open Source

NodeBB is a next-generation forum software built on Node.js, offering real-time features and a modern user experience. It combines traditional forum functionalities with elements like live notifications, chat, and seamless integration.

Real-time features enhance user engagement
Email list
OX Open-Xchange

OX Open-Xchange

Open Source

OX Open-Xchange is a comprehensive web-based suite designed for communication, collaboration, and office productivity, offering features like email, calendaring, task management, and document sharing, seamlessly integrating across devices.

Comprehensive suite of collaboration and communication tools.
Collaborative
Office & Productivity Online Services
Pimcore

Pimcore

Open Source

Pimcore is an open-source data and experience management platform that integrates Product Information Management (PIM), Digital Asset Management (DAM), Customer Data Platform (CDP), and Web Content Management (WCM). It enables businesses to centralize, manage, and deliver digital data across various channels, facilitating rich customer experiences and streamlined e-commerce operations.

Integrated PIM, DAM, CDP, and WCM functionalities.
E-commerce
Business & Commerce Development
Cloudfoundry

Cloudfoundry

Open Source

Cloud Foundry is an open-source, multi-cloud Platform-as-a-Service (PaaS) designed to simplify the deployment, scaling, and management of applications. It offers developers a comprehensive environment to build and run applications without managing the underlying infrastructure.

Simplifies application deployment and management.
MongoDB
Development
kodeWeave

kodeWeave

Open Source

kodeWeave is a versatile, portable HTML/CSS/JavaScript playground and IDE. It allows developers to write, test, and debug web code directly within the application, offering features like live preview, syntax highlighting, and support for various frameworks.

Highly portable, can be run from a USB drive.
Android Development
Development
Wiki on a Stick

Wiki on a Stick

Open Source

Wiki on a Stick is a highly portable, standalone personal wiki designed to run directly from a single self-modifying XHTML file. Ideal for managing notes, knowledge bases, and outlines on the go without requiring installation.

Extremely portable, runs from a single file.
Encrypted Notes
Education & Reference Office & Productivity
Mockup Designer

Mockup Designer

Open Source

Mockup Designer is an intuitive web-based tool enabling users to rapidly create mockups, wireframes, and simple prototypes. It simplifies the initial stages of design and collaboration with a drag-and-drop interface and real-time co-editing capabilities.

Highly intuitive and easy to learn.
Prototyping
Development
WiseMapping

WiseMapping

Open Source

WiseMapping is a free and intuitive online mind mapping tool designed for brainstorming, project planning, and knowledge organization. It offers real-time collaboration and a distraction-free environment.

Completely free with no hidden costs.
Distraction free writing
Office & Productivity
RAWGraphs

RAWGraphs

Open Source

RAWGraphs is an open-source web application designed to simplify the creation of complex data visualizations. It bridges the gap between spreadsheet software and vector graphics editors, allowing users to map data columns to visual variables and export custom charts for further refinement or integration.

Easy-to-use drag-and-drop interface for data mapping.
Gantt-charts
Development Photos & Graphics
Hypothes.is

Hypothes.is

Open Source

Hypothes.is is a free, open-source web-based annotation tool that allows users to annotate and highlight text on any website. It facilitates collaborative discussion and sharing of ideas alongside the content being read.

Allows direct annotation on webpages.
Ad-free
Office & Productivity
Project Pier

Project Pier

Open Source

Project Pier is a free, open-source, self-hosted project management application designed to streamline team collaboration, task management, and project tracking through an intuitive web interface built on PHP. It empowers teams to effectively manage their workflows and communications in a centralized environment.

Free and open-source solution reduces initial investment.
Gantt-charts
Business & Commerce
Aurelia

Aurelia

Open Source

Aurelia is a modern, open-source JavaScript client framework designed for building robust and maintainable web, mobile, and desktop applications, emphasizing simplicity and Convention over Configuration.

Strong adherence to web standards (HTML, JavaScript)
Web Development
Development
Dabblet

Dabblet

Open Source

Dabblet is an interactive online code playground designed specifically for experimenting with CSS, HTML, and JavaScript. It provides a live preview of your code as you type, making it an excellent tool for web developers to test snippets and share their work.

Excellent live preview for rapid feedback on code changes.
Sandbox
Development
Funambol

Funambol

Open Source

Funambol offers robust platforms powering cloud services, specializing in mobile and cloud synchronization for contacts, calendars, files, and more. Ideal for businesses requiring secure and reliable data management and synchronization across diverse devices.

Broad support for synchronization protocols (SyncML, CalDAV, CardDAV).
Cloud sync
Backup & Sync Office & Productivity
Webmail Lite

Webmail Lite

Open Source

Webmail Lite is an open-source, self-hosted webmail client designed for individuals and businesses seeking a private and customizable email solution. It offers basic email functionalities with a focus on privacy and control.

Self-hosted for maximum data control and privacy
Basic html mode
Office & Productivity Online Services
FuelPHP

FuelPHP

Open Source

FuelPHP is a powerful and flexible open-source PHP framework leveraging the HMVC pattern for modern web application development. It offers a robust foundation with built-in features like ORM, caching, and security, providing developers with the tools needed to build scalable and maintainable applications quickly.

Strong HMVC architecture for modularity.
Development
Request Tracker

Request Tracker

Open Source

Request Tracker (RT) is a highly customizable request tracking and workflow automation system written in Perl. It is extensively used by IT departments, customer support teams, and development organizations to manage tasks, issues, and communications with users effectively. RT provides a robust framework for handling diverse workflows, from simple helpdesk tickets to complex project management and bug tracking.

Extremely customizable and adaptable to various workflows.
Bug reporting
Business & Commerce Development
Kloxo

Kloxo

Open Source

Kloxo (Lxadmin) was a free and open-source web hosting control panel designed for managing servers and hosted services on Red Hat and CentOS Linux distributions. Although discontinued, it offered a comprehensive suite of tools for server administration, domain management, email services, and more, primarily targeting shared and dedicated hosting environments.

Free and open-source
Configuration
Network & Admin
ZeroMe

ZeroMe

Open Source

ZeroMe is a decentralized, peer-to-peer social network powered by ZeroNet. It offers a censorship-resistant platform where users control their data and communication, featuring threaded conversations, private messaging, and an emphasis on free speech.

High degree of censorship resistance.
Decentralized
Development
Eclipse Orion

Eclipse Orion

Open Source

Eclipse Orion is a browser-based open tool integration platform designed specifically for web development. It provides a collaborative environment for coding, managing projects, and seamlessly integrating with other web-based tools.

Fully browser-based, highly portable and accessible.
Browser based app
Development Office & Productivity
GLPI

GLPI

Open Source

GLPI is a free and open-source IT Asset Management and Service Desk system. It provides comprehensive features for managing hardware and software inventory, handling support tickets, and overseeing IT infrastructure efficiently.

Free and Open Source with no licensing costs.
inventory
Business & Commerce
Showing 30 of results

Recently Added Online and Web Apps and Services

Latest additions to our Online and Web software collection

Metro UI CSS

Metro UI CSS

Open Source

Metro UI CSS is a robust and versatile CSS framework specifically designed to replicate the look and feel of Microsoft's Metro design language. It provides a comprehensive set of pre-built components, styles, and themes to help developers quickly build modern, responsive web interfaces with a distinct Metro aesthetic.

Facilitates rapid development of Metro-styled interfaces.
Responsive design
Development
Dotcms

Dotcms

Open Source

dotCMS is a powerful open-source headlss Content Management System built on Java, designed for enterprise-level content management, enabling businesses to deliver personalized digital experiences across multiple channels.

Hybrid CMS architecture offers flexibility.
Business & Commerce
Goteo

Goteo

Open Source

Goteo is a leading open-source crowdfunding and collaborative funding platform designed for projects with social impact. It facilitates transparent and community-driven funding for initiatives that contribute to the common good.

Strong focus on social impact projects.
Community based
Development Social & Communications
inoERP

inoERP

Open Source

inoERP is a comprehensive, open-source web-based enterprise management system. It provides a unified platform for various business functions including ERP, CRM, and financial management, designed for businesses seeking a flexible and customizable solution.

Open Source and customizable.
Inventory management
Business & Commerce Development
Bulma

Bulma

Open Source

Bulma is a modern, open-source CSS framework based on Flexbox. It provides a collection of pre-designed components and a responsive grid system to streamline front-end development and build elegant web interfaces quickly.

Based on Flexbox, providing powerful layout capabilities.
Mobile friendly
Development
Zepto.js

Zepto.js

Open Source

Zepto.js is a minimalist JavaScript library specifically designed for mobile web browsers, offering a jQuery-compatible API for handling DOM manipulation, events, AJAX, and animations, while prioritizing small size and performance.

Extremely lightweight and small file size.
Development Education & Reference
OSQA

OSQA

Open Source

OSQA is a robust, open-source question and answer system designed to power community-driven knowledge sharing platforms. Built on Python and Django, it provides the tools needed to create Stack Overflow-style forums where users can ask, answer, and rate questions.

Free to use and modify due to its open-source license.
Community based
Education & Reference
blogstrap.py

blogstrap.py

Open Source

Blogstrap.py is a lightweight and simple flat-file CMS built using web.py and Bootstrap 3, ideal for developers and users who prefer a minimalist approach to blogging and website creation. It offers a no-database solution for self-hosted blogs.

Extremely easy to deploy due to flat-file architecture.
Blogging
Business & Commerce Development Photos & Graphics Social & Communications
App.net

App.net

Open Source

App.net was a subscription-based online social networking service and microblogging platform, notable for its explicit rejection of advertising in favor of a developer-centric and user-supported model.

Completely ad-free experience for users.
Push Notifications
Social & Communications
NodeBB

NodeBB

Open Source

NodeBB is a next-generation forum software built on Node.js, offering real-time features and a modern user experience. It combines traditional forum functionalities with elements like live notifications, chat, and seamless integration.