Top Alternatives to OpenProject

Trello is a highly visual and flexible project management tool that uses Kanban-style boards to organize tasks and workflows. It allows teams to collaborate in real-time, manage projects of varying complexity, and track progress effectively through simple drag-and-drop functionality and customizable lists and cards.

Asana is a leading work management platform designed to help teams orchestrate their work from day one to deadline. It enables visualization of projects, tasks, and goals across different views, fostering clear communication and collaboration. Asana streamlines workflows and increases accountability, making it ideal for teams of all sizes looking to improve productivity.

Redmine is a robust and flexible open-source project management web application designed to help teams manage projects, track issues, and collaborate effectively. It offers a wide range of features, including multi-project support, Gantt charts, time tracking, and extensive customization options through plugins and themes.

Mailbird is a powerful and intuitive desktop email client for Windows, designed to streamline your email workflow and centralize your digital communication with a clean interface and built-in app integrations.

Wrike is a comprehensive online project management platform designed for teams of all sizes, offering robust tools for task management, collaboration, reporting, and workflow automation. It provides visibility and control to streamline projects from planning to completion.

TeamClerk is a comprehensive project and task management software designed for teams of all sizes. It facilitates seamless collaboration, task organization, and project tracking through intuitive features like Kanban boards, Gantt charts, and real-time updates. Manage your projects efficiently and enhance team productivity with TeamClerk.

Apple Mail is the default email client for macOS, iOS, and watchOS, offering a seamless and integrated email experience across Apple devices with features like rich text editing, multiple account support, and robust organization tools.

Taiga.io is an open-source project management platform designed for agile teams, particularly developers and designers. It offers robust tools for managing projects using Scrum and Kanban methodologies, facilitating real-time collaboration, task tracking, bug reporting, and project planning in a user-friendly interface.

Basecamp is a web-based project management and team collaboration tool designed to simplify communication, task management, and document sharing for teams of all sizes. It focuses on transparency and centralizing project information.

Jira, developed by Atlassian, is a leading issue and project tracking software primarily used by software development teams. It offers flexible workflows, powerful reporting, and seamless integration with other development tools, making it ideal for agile methodologies like Scrum and Kanban.

Evolution is a comprehensive personal information manager for the GNOME desktop environment, designed to manage emails, contacts, calendars, and tasks. It provides a unified interface for various communication and organizational needs.

Postbox is a powerful and customizable email client designed for professionals managing high volumes of email. It offers robust features for organizing, searching, and managing multiple accounts efficiently, enhancing productivity through a clean interface and advanced tools.

Freedcamp is a robust, web-based project management and collaboration platform designed for teams of any size. It offers a comprehensive suite of tools including task management, Kanban boards, Gantt charts, time tracking, and more, facilitating efficient co-ordination and project delivery in a cloud-based environment.

Trac is a mature open-source, web-based project management and bug tracking system. It integrates closely with version control systems and provides a wiki for documentation, making it a comprehensive tool for software development teams.

Mailspring is a modern, fast, and free desktop email client for Mac, Windows, and Linux. It offers a beautiful interface, powerful features like unified inbox, email tracking, and broad platform support for an enhanced email experience.

Launchpad is a comprehensive platform designed for developing, managing, and maintaining software projects, with a strong emphasis on open-source collaboration. It provides tools for code hosting, bug tracking, code review, localization, and project management, fostering a vibrant community around software development.

Quire is a collaborative task management software designed to simplify project planning and execution through a hierarchical list structure. It offers robust features for teams to break down complex goals into manageable tasks, collaborate in real-time, and track progress efficiently across multiple projects. With integrations and cross-platform support, Quire aims to be a central hub for team productivity.

Mantis Bug Tracker is a free and open-source, web-based issue tracking system designed primarily for software defect tracking. It offers a straightforward interface and a range of features suitable for managing projects and tracking the lifecycle of bugs and issues.

Claws Mail is a powerful yet lightweight, open-source email and news client built on GTK+. It's known for its speed, stability, rich feature set, and high degree of customization, making it an excellent choice for users demanding control and efficiency.

Geary is a modern email client designed for the GNOME desktop, emphasizing a conversational view for streamlined email management. It offers a clean interface, supports multiple accounts, and integrates with the GNOME environment to provide a cohesive user experience for organizing and sending emails.

Ora is a comprehensive, real-time project management platform designed for teams of all sizes. It offers a flexible and intuitive interface, enabling teams to manage tasks, track time, collaborate effectively, and streamline workflows within a single workspace. From agile methodologies to traditional project planning, Ora provides the tools necessary to enhance productivity and achieve project goals.

EssentialPIM is a versatile personal information manager designed to help you organize your life. It allows you to manage appointments, tasks, notes, contacts, passwords, and more, all within a single, customizable application available for desktop and mobile platforms.

Airmail is a powerful and lightning-fast email client designed for macOS and iOS. It aims to provide a clean, modern interface with advanced features for managing multiple email accounts efficiently.

The Bat! is a secure and powerful email client for Windows designed for users who prioritize privacy, speed, and efficient email management, especially for handling large mail volumes.

Microsoft Project is a comprehensive project management software designed to empower project managers in planning, executing, and tracking projects efficiently. It offers robust tools for task management, resource allocation, budget control, and progress monitoring.

Productive.io is a comprehensive platform for service-based businesses, integrating project management, time tracking, CRM, resource planning, and financial tools within a single interface. It streamlines workflows and enhances team collaboration for increased productivity.

Mutt is a highly configurable, text-based email client for Unix-like systems. It offers powerful features for advanced users who prefer a lightweight and efficient email management experience directly from the command line.

Phabricator is a comprehensive, web-based suite of tools designed to streamline software development workflows. It integrates code review, task management, bug tracking, internal documentation, and repository hosting into a single platform.

Bitrix24 is a comprehensive business management platform offering a robust suite of tools for CRM, project management, team collaboration, and communication. It caters to businesses of all sizes, with a free plan available for smaller teams, providing a centralized workspace to enhance productivity and streamline operations across various departments.

Zenkit is a versatile project management and collaboration platform designed to bring teams and projects together in one unified workspace. Offering a range of views like Kanban, Calendar, Mind Map, Table, and Hierarchy, it adapts to various workflows and project needs, empowering users to manage tasks, organize information, and collaborate effectively.

ProjectLibre is a comprehensive open-source project management software, designed as a free alternative to Microsoft Project. It offers robust tools for task scheduling, resource management, cost tracking, and project analysis, enabling users to effectively plan and execute projects.

ClickUp is a versatile all-in-one productivity platform designed to streamline work for teams of all sizes. It unifies project management, task tracking, document collaboration, and communication into a single, highly customizable environment, aiming to replace multiple disparate tools and foster efficient workflows.

Bugzilla is a robust, web-based bug tracking system designed to help individuals and organizations manage project development.

5pm is a web-based project and task management solution designed to streamline team collaboration, task organization, and workflow visualization. It helps teams manage projects of varying complexity through intuitive interfaces, real-time updates, and robust tracking capabilities.

Zimbra Desktop provides a unified interface for managing multiple email accounts, calendars, tasks, and contacts offline. It supports various protocols like IMAP, POP, CalDAV, and CardDAV, offering a comprehensive personal information management solution.

KMail is a powerful and flexible email client tightly integrated with the Kontact personal information manager suite. Part of the KDE ecosystem, it offers robust features for managing your email, including strong encryption options, support for multiple protocols like IMAP, POP3, and Exchange, and seamless integration with other Kontact components like the calendar and address book.

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.

GQueues is a robust online task management solution explicitly designed for users within the Google ecosystem, offering seamless integration with Google Calendar, Gmail, and Google Drive to enhance productivity and collaboration for individuals and teams.

Smartsheet is a dynamic work management platform empowering teams to plan, track, and execute projects efficiently. It combines powerful features like project management, task management, collaboration tools, and automated workflows in a user-friendly, web-based interface.

FogBugz is a comprehensive web-based project management system designed to streamline development workflows. It integrates bug and issue tracking, project organization, team collaboration, and customer support features into a single platform, making it ideal for software development teams of all sizes.

Kontact is a comprehensive personal information management suite from KDE combining email, contacts, calendar, tasks, and news in one integrated application. It offers robust synchronization options and supports various protocols.

VisionProject is a comprehensive project management platform designed to streamline workflows, enhance team collaboration, and provide robust tools for managing projects of varying complexity. It caters to businesses looking for an all-in-one solution for task management, resource allocation, client communication, and issue tracking.

Spark is a powerful and intelligent email client designed to enhance your productivity and streamline your inbox management. It offers a range of features like smart inbox organization, email scheduling, and integrations with popular services, making it a comprehensive solution for busy professionals and individuals alike.

Polymail is an advanced email client for macOS and iOS, built to enhance productivity for professionals using Gmail. It goes beyond basic email functions with robust features like email tracking, scheduling, and team collaboration tools, all wrapped in a sleek and intuitive interface.

Microsoft Mail and Calendar is the default email and calendar client included with Windows, providing integrated tools to manage your communications and schedule.

<p>MailMate is a powerful, keyboard-centric IMAP email client for macOS designed for users who demand advanced email management capabilities and a highly customizable workflow, featuring strong Markdown integration and robust search features.</p>

TypeApp is a sophisticated mobile email client designed for managing multiple email accounts effortlessly. It provides a unified inbox, push notifications, calendar integration, and a range of features to enhance email productivity on the go.

SprintGround is a free task management platform tailored for small software development teams and freelancers. It offers a robust set of tools to streamline project planning, task tracking, and team collaboration.

Hive is a comprehensive productivity platform designed for modern teams, offering a suite of powerful project management, collaboration, and automation tools. It helps teams streamline workflows, manage tasks, track time, and communicate effectively, all within a centralized workspace. Hive aims to increase productivity and transparency across organizations of all sizes.

Soverin offers a secure and private suite of tools, combining encrypted email, a user-friendly website builder, and integrated organizational features, all centered around protecting user data and providing a comprehensive online presence.