Open Source Project Management Tools with the Most GitHub Stars
Created at September 27, 2025 • Updated 9/27/2025
Discover top open-source project management tools ranked by GitHub stars, trusted by developers and teams worldwide.
https://www.21oss.com//curated/open-source-project-management-tools-with-the-most-github-starsCurated by
BroKarim
@BroKarim
Huly is an integrated open-source platform combining project management, team communication, document collaboration, and virtual office spaces with GitHub integration and real-time editing.


Stars
24,099Forks
1,682Last commit
6 days agoRepository age
4 yearsLicense
EPL-2.0
Fetched from GitHub .
Kimai is a web-based multi-user time-tracking application for freelancers and businesses to track times, generate reports, create invoices, and manage projects with billable hours.
Tech Stack:

Stars
4,358Forks
713Last commit
8 days agoRepository age
9 yearsLicense
AGPL-3.0
Fetched from GitHub .
Plane is an open-source project management platform that combines the best features of JIRA, Linear, and Asana into one intuitive tool. Designed to track issues, manage sprints, and organize product roadmaps without unnecessary complexity, it offers a calm alternative to chaotic project management solutions. With its clean interface and powerful workflow customization, Plane helps teams stay productive while maintaining focus on their work rather than tool management.
Tech Stack:


Stars
42,960Forks
3,217Last commit
5 days agoRepository age
3 yearsLicense
AGPL-3.0
Fetched from GitHub .
Focalboard is an open-source, multilingual project management platform offering self-hosted alternatives to Trello, Notion, and Asana. Available in two editions - a personal desktop app for individual use (macOS/Windows/Linux) and a multi-user server edition - it provides flexible tools for task organization, workflow management, and team collaboration. The platform enables users to define, track, and manage work while maintaining complete data control through self-hosting capabilities.
Tech Stack:

Stars
25,699Forks
2,455Last commit
3 months agoRepository age
5 years
Fetched from GitHub .
AppFlowy is an open-source productivity platform that offers a powerful, customizable alternative to Notion. It combines note-taking, task management, databases, and collaboration tools in a modular workspace. Built with a focus on user privacy, offline-first functionality, and extensibility, AppFlowy lets you organize knowledge your way—whether managing personal projects or team workflows. Data is stored locally by default using SQLite, with optional cloud sync.



Stars
67,408Forks
4,827Last commit
6 days agoRepository age
5 yearsLicense
AGPL-3.0
Fetched from GitHub .
Leantime is an open-source, goal-focused project management system designed to streamline tasks, boost productivity, and enhance collaboration for diverse teams—including those with ADHD, autism, and dyslexia. Built with inclusivity in mind, it offers a low-distraction, intuitive interface that simplifies planning, time tracking, and goal setting without overwhelming users. Features include visual canvases, task automation, time tracking, and collaborative workflows—ideal for creative teams, solopreneurs, and small organizations seeking a more accessible way to manage work.
Tech Stack:

Stars
8,846Forks
871Last commit
10 days agoRepository age
11 yearsLicense
AGPL-3.0
Fetched from GitHub .
OpenProject is a powerful, flexible project management solution designed for classic, agile, and hybrid methodologies. Built with a strong focus on data privacy, security, and collaboration, it supports teams in planning, tracking, and delivering projects efficiently. Features include task management, Gantt charts, agile boards, time tracking, budgeting, document sharing, and role-based access control. Ideal for enterprises and distributed teams who need full control over their data with on-premise or self-hosted deployment options.
Tech Stack:
Stars
13,549Forks
2,995Last commit
5 days agoRepository age
13 yearsLicense
GPL-3.0
Fetched from GitHub .
ERPNext is a powerful, open-source Enterprise Resource Planning (ERP) solution designed for businesses of all sizes. It offers a comprehensive suite of modules including accounting, inventory, human resources, customer relationship management (CRM), sales, purchasing, manufacturing, and project management—all in a fully integrated platform. Highly customizable and scalable, ERPNext empowers organizations to streamline operations, improve efficiency, and make data-driven decisions with full ownership of their data and code. Built on the Frappe Framework, it supports rapid development and deployment of business applications.
Tech Stack:

Stars
30,963Forks
10,133Last commit
5 days agoRepository age
15 yearsLicense
GPL-3.0
Fetched from GitHub .
NocoBase is a powerful, open-source no-code/low-code platform designed for rapid development of tailored business applications. With a focus on extensibility and full customization, it enables developers and teams to build, modify, and deploy enterprise-grade solutions with ease. It supports seamless data modeling, workflow automation, role-based permissions, and plugin architecture—ideal for creating internal tools, CRMs, ERPs, and more. Offers flexible deployment options including self-hosting and cloud, with support for PostgreSQL and MySQL as backend databases.
Tech Stack:
Stars
21,089Forks
2,374Last commit
5 days agoRepository age
5 years
Fetched from GitHub .
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