GanttProject
Free open-source project scheduling with Gantt charts and resource management
About GanttProject
GanttProject is a free, open-source project management tool focused on Gantt chart scheduling. It supports task dependencies, resource allocation, baseline tracking, and PERT charts. Available on Windows, macOS, and Linux, it works entirely offline as a desktop application and exports to PDF, PNG, CSV, and Microsoft Project formats.
Pros & Cons
Pros
- Completely free with no feature restrictions or subscription fees
- Cross-platform support for Windows, macOS, and Linux
- Works fully offline without internet connectivity
- Intuitive interface accessible for beginners and experienced project managers
- Open-source codebase allows community contributions and customization
- Supports Microsoft Project file import for migration from commercial tools
Cons
- Desktop-only with no cloud-based version or real-time collaboration
- Interface feels dated compared to modern web-based project management tools
- Occasional stability issues and crashes reported with larger project files
- Limited integrations with other productivity and communication tools
- No built-in team messaging, commenting, or notification features
- Printing and report generation capabilities are basic
Key Features
Gantt Chart Scheduling
Create and manage project timelines with interactive Gantt charts showing task durations and dependencies
Task Dependencies
Define finish-to-start, start-to-start, and other dependency types between tasks for accurate scheduling
Resource Management
Assign team members to tasks and monitor workload with resource load charts
PERT Charts
Visualize project tasks as a network diagram for critical path analysis
Baseline Tracking
Save project baselines to compare planned vs actual progress over time
Cross-Platform
Runs natively on Windows, macOS, and Linux with consistent functionality
Import/Export
Export to PDF, PNG, CSV and import from Microsoft Project files for interoperability
WebDAV Collaboration
Share project files via WebDAV for basic team collaboration on shared servers
Pricing
- All features included
- Gantt charts & PERT charts
- Resource management
- Task dependencies & baselines
- Cross-platform (Windows, macOS, Linux)
- Export to PDF, PNG, CSV
- Microsoft Project import
- Open source (GPL)
Best For
Small Team Project Planning
Small teams create visual project schedules with task dependencies and resource assignments at zero cost
Academic Project Scheduling
Students and educators use free Gantt charts for course projects and research timelines
Construction & Event Planning
Plan sequential tasks with dependencies and track progress against baselines for physical projects
Offline Project Management
Teams in environments with limited internet access manage projects entirely offline on desktop
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