1 Free Open Source Software Alternative to ClickUp

ClickUp is a project management tool that offers features for task management, time tracking, and team collaboration. It is designed to help teams work more efficiently and effectively.

Discover 1 free and open-source alternative to ClickUp. A popular choice based on its GitHub stars is Leantime.

ClickUp logo
ClickUp
Project Management1 open alternative
Leantime logoLeantime

Looking for a ClickUp alternative that’s flexible, transparent, and doesn’t lock you into a proprietary system? There’s a world of open source project management tools that offer powerful features without the bloat or subscription trap. These platforms aren’t just customizable, they reflect a growing philosophy of building with the user, not just for them. One standout in this space is Leantime, a tool designed not only to help you manage work, but to help you think, plan, and execute with clarity and purpose.

Leantime

leantime

Leantime doesn’t assume you’re a professional project manager. In fact, it assumes the opposite. Built for people juggling everything from business goals to daily to-dos, Leantime blends structure with adaptability. What sets it apart is its thoughtful design for neurodivergent users, especially those with ADHD, dyslexia, or autism, who often find traditional tools more frustrating than helpful.

It starts simple. Like Trello, the interface is clean and visual. But behind the simplicity lies surprising depth. From a centralized dashboard, you can navigate everything: tasks, notes, goals, time blocks, and even AI-generated prioritizations. It’s your personal productivity cockpit, designed to keep mental clutter at bay.

Leantime’s core philosophy is about reducing cognitive load. Rather than flood you with options, it guides you toward achievable goals, using behavioral science to boost focus and momentum. And if you're stuck? The built-in AI helps break down your tasks, write descriptions, and even narrate updates with personality, whether you want inspiration from a coach or whimsy from a pirate.

But the real magic lies in its goals-first workflow. Tasks don’t exist in isolation, they’re steps toward something bigger. Goals give context, clarity, and motivation. And that connection between what you do and why you do it is what transforms productivity into progress.

Inside a project, you’ll find everything you need to turn ideas into execution: milestones, dependencies, timesheets, retrospectives, and collaborative docs. You can switch between Kanban, Table, and List views depending on how your brain works best. And with program-level overviews, you can zoom out to understand how multiple projects align toward broader objectives.

Even creativity finds structure here. Notes, research, and embedded docs live where the work happens. There’s space for ideation and space for delivery, no more scattered knowledge, no more lost context. You’re not just managing tasks. You’re managing thought.

And when it’s time to reflect? Built-in time tracking and progress reports help you look back and learn. Whether you’re tracking hours or milestones, Leantime gives you visibility into how effort maps to achievement.

Leantime isn’t just an open source alternative to ClickUp. It’s a rethinking of what project management should feel like: calm, focused, meaningful.