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Top 10 Open Source Alternatives to Clockwise in 2025

Top 10 Open Source Alternatives to Clockwise in 2025

Top 10 Open Source Alternatives to Clockwise in 2025

Managing time and schedules efficiently is crucial, and having the right tool can make all the difference. While Clockwise has been a popular choice, numerous open-source alternatives have emerged, offering diverse features and benefits. Here’s a look at the top 10 open-source alternatives to Clockwise in 2025.
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1. Cal.com

  • Description: Cal.com is an open-source scheduling platform that offers a high degree of customization and flexibility. It's designed to handle individual and team scheduling needs.
  • Website: Cal.com
  • Data Points:
  1. Customization: Highly customizable, allowing users to tailor the platform to their specific needs.
  2. Multi-Calendar Sync: Connects with multiple personal and work calendars to prevent scheduling conflicts.
  3. Workflow Automation: Enables automation of booking, notifications, and cancellation actions.
  4. Team Features: Supports round-robin scheduling and team booking pages.
  5. Open Source: Being open-source, it can be self-hosted or used as a hosted service, and integrated with other tools through its API.

2. TaskJuggler

  • Description: TaskJuggler is a free and open-source project management tool that includes advanced scheduling capabilities. It's aimed at serious project managers and can handle complex projects.
  • Website: TaskJuggler
  • Data Points:
  1. Project Planning: Covers all aspects of project management, from scoping to completion.
  2. Optimizing Scheduler: Calculates project timelines and resource assignments based on constraints.
  3. Resource Balancing: Offers a built-in resource balancer and consistency checker.
  4. Flexible Approach: Adapts to various management styles, including agile.
  5. Gantt Charts: Can create Gantt charts, though mastering the tool is needed to fully utilize its power.
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3. GanttProject

  • Description: GanttProject is a free, open-source desktop project management tool that uses Gantt and PERT charts for task scheduling.
  • Website: opensourceprojectmanagement.org
  • Data Points:
  1. Gantt and PERT Charts: Utilizes traditional project planning techniques.
  2. Cross-Platform: Works on Windows, Mac OS, and Linux.
  3. Multiple Languages: Available in 25 languages.
  4. Task Scheduling: Focuses on managing project tasks and scheduling.
  5. Desktop Software: It's a desktop application, not a web service.

4. OpenProject

  • Description: OpenProject is a comprehensive open-source project management tool with features for planning, scheduling, and tracking projects.
  • Website: OpenProject
  • Data Points:
  1. Project Planning: Supports detailed overviews of workloads and the creation of sub-projects.
  2. Agile Support: Integrates agile and Scrum methodologies for task management.
  3. Customization: Allows for custom widgets and dashboards for real-time progress tracking.
  4. Visual Calendars: Includes visual calendars to track deadlines and milestones.
  5. Integrations: Allows for custom integrations for cost reporting and time tracking.

5. Leantime

  • Description: Leantime is an open-source project management system designed for small teams and startups, featuring various tools for task and schedule management.
  • Website: opensourceprojectmanagement.org
  • Data Points:
  1. Task Management: Uses Kanban boards, list, and calendar views for task management.
  2. Milestone Management: Features Gantt charts for milestone tracking.
  3. Timesheet Management: Includes tools for managing timesheets.
  4. User Roles: Allows for defining multiple user roles like client, developer, and manager.
  5. Integrations: Integrates with Mattermost and Slack.
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6. BookingPress

  • Description: BookingPress is an open-source WordPress plugin for appointment scheduling, suitable for businesses that need automated booking systems.
  • Website: BookingPress
  • Data Points:
  1. Appointment Scheduling: Designed for easy appointment scheduling with a widget on WordPress.
  2. Employee Scheduling: Offers a dashboard for managing employee schedules.
  3. Automated Notifications: Includes automated notifications and reminders for bookings.
  4. Online Payments: Supports online payments through various payment gateways.
  5. Stats Tools: Provides tools to track the number of bookings and clients.

7. Kimai

  • Description: Kimai is an open-source time tracking solution designed to track work time and provide summaries of activities.
  • Website: Kimai
  • Data Points:
  1. Time Tracking: Tracks work time with a focus on simplicity.
  2. Summary Reports: Provides activity summaries by year, month, day, customer, or project.
  3. Browser-Based: Accessible across platforms through a browser interface.
  4. Cross-Platform: Works on desktop and mobile devices.
  5. Features: Offers various features for time management beyond basic tracking.

8. Solidtime

  • Description: Solidtime is a modern open-source time-tracking application suitable for freelancers and agencies.
  • Website: GitHub
  • Data Points:
  1. Time Tracking: Provides an easy-to-use interface for tracking time.
  2. Projects: Allows the creation and management of projects with assigned members.
  3. Tasks: Enables creation and management of tasks within projects.
  4. Clients: Supports management of clients and assignment to projects.
  5. Billable Rates: Allows setting billable rates for various entities.

9. Quidlo

  • Description: Quidlo is an open-source time-tracking software for individuals and teams to manage work hours.
  • Website: stratoflow.com
  • Data Points:
  1. Task Tracking: Allows monitoring time spent on various tasks.
  2. Project Management: Includes basic project management features.
  3. Reporting: Offers reporting capabilities for time tracking data.
  4. User Base: Suitable for freelancers, small businesses, and remote teams.
  5. Cost: The software is free to use.

10. Schedulix

  • Description: Schedulix is an open-source workload automation software with dynamic scheduling capabilities that can be used for employee scheduling.
  • Website: peoplemanagingpeople.com
  • Data Points:
  1. Dynamic Scheduling: Adjusts schedules based on real-time data.
  2. Hierarchical Automation: Supports complex scheduling scenarios.
  3. IT Focus: Initially developed for IT operations.
  4. Employee Scheduling: Can be used for coordinating employee shifts.
  5. Pricing: Pricing is not free, starts at $169/user/month.
This list should provide a solid starting point for finding an open-source alternative to Clockwise in 2025.
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FAQ

1. What is Cal.com?
Cal.com is an open-source scheduling platform that offers a high degree of customization and flexibility, designed to handle individual and team scheduling needs. Learn more about Cal.com
2. What features does TaskJuggler offer?
TaskJuggler covers all aspects of project management, from scoping to completion, integrates an optimizing scheduler, offers a built-in resource balancer, adapts to various management styles including agile, and can create Gantt charts. Discover TaskJuggler
3. What is GanttProject?
GanttProject is a free, open-source desktop project management tool that uses Gantt and PERT charts for task scheduling, and it works across Windows, Mac OS, and Linux. Explore GanttProject
4. Can you describe OpenProject?
OpenProject is a comprehensive open-source project management tool with features for project planning, agile support, customization, visual calendars, and various integrations. Learn more about OpenProject
5. How does Leantime help with project management?
Leantime is designed for small teams and startups, featuring task management with Kanban boards, milestone management, timesheet management, user roles, and integrations with Mattermost and Slack. Discover Leantime
6. What is BookingPress used for?
BookingPress is an open-source WordPress plugin for appointment scheduling, which includes features for easy appointment scheduling, employee scheduling, automated notifications, online payments, and tracking bookings. Discover BookingPress
7. What is Kimai?
Kimai is an open-source time tracking solution that tracks work time, provides summary reports, is browser-based, and works on multiple platforms. Learn more about Kimai
8. What type of tool is Solidtime?
Solidtime is a modern open-source time-tracking application for freelancers and agencies, offering project and task management, client management, and billable rate settings. Explore Solidtime
9. How does Quidlo facilitate time tracking?
Quidlo is an open-source time-tracking software that supports task monitoring, basic project management, and reporting capabilities, and it is suitable for freelancers, small businesses, and remote teams. Learn more about Quidlo
10. What features does Schedulix provide?
Schedulix is an open-source workload automation software with dynamic scheduling capabilities, hierarchical automation, and features suitable for employee scheduling. Explore Schedulix

About the Author

Violetta Bonenkamp, also known as MeanCEO, is an experienced startup founder with an impressive educational background including an MBA and four other higher education degrees. She has over 20 years of work experience across multiple countries, including 5 years as a solopreneur and serial entrepreneur. She’s been living, studying and working in many countries around the globe and her extensive multicultural experience has influenced her immensely.
Violetta is a true multiple specialist who has built expertise in Linguistics, Education, Business Management, Blockchain, Entrepreneurship, Intellectual Property, Game Design, AI, SEO, Digital Marketing, cyber security and zero code automations. Her extensive educational journey includes a Master of Arts in Linguistics and Education, an Advanced Master in Linguistics from Belgium (2006-2007), an MBA from Blekinge Institute of Technology in Sweden (2006-2008), and an Erasmus Mundus joint program European Master of Higher Education from universities in Norway, Finland, and Portugal (2009).
She is the founder of Fe/male Switch, a startup game that encourages women to enter STEM fields, and also leads CADChain, and multiple other projects like the Directory of 1,000 Startup Cities with a proprietary MeanCEO Index that ranks cities for female entrepreneurs. Violetta created the "gamepreneurship" methodology, which forms the scientific basis of her startup game. She also builds a lot of SEO tools for startups. Her achievements include being named one of the top 100 women in Europe by EU Startups in 2022 and being nominated for Impact Person of the year at the Dutch Blockchain Week. She is an author with Sifted and a speaker at different Universities. Recently she published a book on Startup Idea Validation the right way: from zero to first customers and beyond and launched a Directory of 1,500+ websites for startups to list themselves in order to gain traction and build backlinks.
For the past several years Violetta has been living between the Netherlands and Malta, while also regularly traveling to different destinations around the globe, usually due to her entrepreneurial activities. This has led her to start writing about different locations and amenities from the POV of an entrepreneur. Here’s her recent article about the best hotels in Italy to work from.

About the Publication

Fe/male Switch is an innovative startup platform designed to empower women entrepreneurs through an immersive, game-like experience. Founded in 2020 during the pandemic "without any funding and without any code," this non-profit initiative has evolved into a comprehensive educational tool for aspiring female entrepreneurs.The platform was co-founded by Violetta Shishkina-Bonenkamp, who serves as CEO and one of the lead authors of the Startup News branch.

Mission and Purpose

Fe/male Switch Foundation was created to address the gender gap in the tech and entrepreneurship space. The platform aims to skill-up future female tech leaders and empower them to create resilient and innovative tech startups through what they call "gamepreneurship". By putting players in a virtual startup village where they must survive and thrive, the startup game allows women to test their entrepreneurial abilities without financial risk.

Key Features

The platform offers a unique blend of news, resources,learning, networking, and practical application within a supportive, female-focused environment:
  • Skill Lab: Micro-modules covering essential startup skills
  • Virtual Startup Building: Create or join startups and tackle real-world challenges
  • AI Co-founder (PlayPal): Guides users through the startup process
  • SANDBOX: A testing environment for idea validation before launch
  • Wellness Integration: Virtual activities to balance work and self-care
  • Marketplace: Buy or sell expert sessions and tutorials

Impact and Growth

Since its inception, Fe/male Switch has shown impressive growth:
  • 3,000+ female entrepreneurs in the community
  • 100+ startup tools built
  • 5,000+ pieces of articles and news written

Partnerships

Fe/male Switch has formed strategic partnerships to enhance its offerings. In January 2022, it teamed up with global website builder Tilda to provide free access to website building tools and mentorship services for Fe/male Switch participants.

Recognition

Fe/male Switch has received media attention for its innovative approach to closing the gender gap in tech entrepreneurship. The platform has been featured in various publications highlighting its unique "play to learn and earn" model.
2025-08-13 07:05 Top Alternatives