18 self-hosted ActiveCollab alternatives

Huly is an open-source all-in-one platform combining project management, team chat, and collaborative documentation as an alternative to tools like Jira, Linear, Slack, and Notion.

27.5k stars2.1k forksEPL-2.0last commit 11 Aug 2026Actively maintained

Open source project management tool with boards, tasks, templates, and team collaboration—an alternative to Trello, Asana, and Notion.

26.4k stars2.6k forkslast commit 11 Jun 2025Slowing down

WeKan is an open-source Kanban board app with real-time collaboration, boards/lists/cards, access controls, and multiple deployment options like Docker.

21.1k stars3k forksMITlast commit 27 Aug 2026Actively maintained

OpenProject is an open source project management platform for planning, tracking, and collaborating on work with Gantt charts, agile boards, roadmaps, and time reporting.

15.9k stars3.4k forksGPL-3.0last commit 26 Aug 2026Actively maintained

Self-hosted, real-time Kanban board built with React and Node.js; supports collaborative boards, markdown notes, SSO, and flexible notifications.

12.5k stars1.4k forkslast commit 10 Aug 2026Actively maintained

Leantime is an open-source, PHP-based project management system combining strategy, planning and execution with Kanban, Gantt, dashboards, wikis, time tracking and AI-assisted features.

11.5k stars1.1k forksAGPL-3.0last commit 15 Aug 2026Actively maintained

Open-source, self-hosted task and project manager with hierarchical Areas → Projects → Tasks, smart recurring tasks, Telegram and API integrations.

3.3k stars242 forksMITlast commit 21 Aug 2026Actively maintained

Open-source project management and time-tracking platform with tasks, kanban boards, resource planning, time reports and analytics; available as cloud SaaS and self-hosted.

3.2k stars362 forksAGPL-3.0last commit 24 Aug 2026Actively maintained

Open-source task and chore manager for individuals and groups featuring natural-language scheduling, assignee rotation, NFC triggers, REST API, and S3-compatible storage.

2.5k stars193 forksAGPL-3.0last commit 18 Aug 2026Actively maintained

Self-hosted kanban-style task board that stores lanes as folders and tasks as Markdown files, with tags, theming, reverse-proxy support, and optional PWA install.

2.2k stars105 forksMITlast commit 25 Feb 2026Slowing down

Open source agile project management tool with Scrum and Kanban boards, issue tracking, backlog planning, and team collaboration features.

2.1k stars520 forksMPL-2.0last commit 13 Oct 2025Slowing down

Self-hosted project management with kanban boards, issue tracking, multiple views, and built-in time tracking and reports.

943 stars26 forkslast commit 21 Aug 2026Actively maintained

Kanba is a lightweight, open-source Trello-style project management tool with boards, lists, and team collaboration, built for simple, fast self-hosting.

651 stars106 forksMITlast commit 8 Aug 2026Actively maintained

Django-CRM is a Django-based open-source CRM providing contact & lead management, deal tracking, email marketing, task/project management, and built-in analytics.

616 stars384 forksAGPL-3.0last commit 26 Aug 2026Actively maintained

Open-source Kanban board and task management app built with ASP.NET Core Blazor. Supports projects, boards, cards, subtasks, time-tracking, attachments, reminders and Trello import.

292 stars15 forksMITlast commit 25 Aug 2026Actively maintained

ProjeQtOr is an open-source project management suite for planning, resource management, risks, costs, and project portfolio steering in a collaborative web app.

Activity unknown

Open source PHP/MySQL project management tool with a visual designer to build custom entities, workflows, and business processes beyond tasks and projects.

Activity unknown

Redmine is an open source project management app with issue tracking, Gantt charts, wiki, time tracking, and SCM integration for multiple projects.

Activity unknown