Best open-source alternatives to Basecamp

Huly Platform is a framework for creating business applications, with a focus on helping teams build products like CRM systems more quickly. The repository bundles several application areas, including chat, project management, CRM, HRM, and ATS, and notes that multiple teams are already building on top of it, including Huly and TraceX. The project is aimed at developers and teams who want to self-host or extend a modular business platform. Its README describes a Docker-based self-hosting path, a source-based development workflow, and a typed API client for programmatic integration. It also outlines versioning, architecture documentation, testing, and build tooling for working with the platform locally.

OpenProject is a web-based project management platform aimed at teams that need to plan, track, and coordinate work in one shared system. The README positions it as a collaborative tool for managing projects, tasks, goals, and related development work, including linking work packages to GitHub pull requests. It provides a broad set of project-management capabilities such as planning and scheduling, roadmap and release planning, task tracking, agile and Scrum workflows, time and cost management, budgeting, bug tracking, wikis, forums, and meeting documentation. The project is available as a self-hosted Community Edition and also as an Enterprise Edition with cloud or on-premises options and support add-ons.

Planka is a self-hostable project management and Kanban application designed for teams that want a visual workflow tool. It provides collaborative boards where users can organize projects into boards, lists, cards, and tasks, with drag-and-drop interaction and live synchronization across participants. The project emphasizes team collaboration and usability, offering Markdown support for card descriptions, flexible notifications across many providers, and built-in internationalization. It is distributed as a source-available fair-code product with separate community and commercial licenses, and the README points users to hosted Cloud and Pro offerings as well as self-hosted deployment documentation.

Leantime is an open source project management system aimed at making planning and execution approachable for people who are not traditional project managers. It combines task tracking, project planning, knowledge management, and administration features in a single application, with an emphasis on usability and accessibility for users with ADHD, dyslexia, and autism in mind. The project appears to target teams that want a lightweight alternative to tools like Jira, ClickUp, Monday, or Asana while still covering a broad set of project workflows. It supports multiple views for managing work, project dashboards, wikis, goal tracking, and collaboration features, and it can be deployed either locally or through an official Docker image.

Kanboard is a project management application centered on the Kanban workflow. It is aimed at teams or individuals who want a simple, self-hostable tool for organizing tasks visually and tracking work through columns. The README emphasizes that the project is in maintenance mode, meaning the software is largely complete and receives only small fixes and community-contributed releases. It points readers to the official website, documentation, changelog, forum, and installation guides, including Docker-based deployment. The project is distributed under the MIT License.

The to-do app to organize your life.

Tracim is a collaboration platform designed for teams and projects. It combines several workplace tools into one system, including file sharing, messaging, task tracking, documentation, and project organization. The README positions it as a multi-device solution that helps teams keep information in one place rather than spread across separate chat, drive, and meeting tools. The project is intended for organizations or groups that want a self-hostable collaboration stack with a web-based interface. The README shows both a hosted demo and a Docker-based local deployment path, and it mentions PostgreSQL in the tech stack. It also points users to community documentation and forum support, while noting that professional support and some Docker image availability are tied to paid subscriptions.

Tuleap is a libre suite to plan, track, code and collaborate on software projects.