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OpenProject vs simpl4

Professional comparison and analysis to help you choose the right software solution for your needs.

OpenProject icon
OpenProject
simpl4 icon
simpl4

OpenProject vs simpl4: The Verdict

Last updated: May 2026 · Comparison by Sugggest Editorial Team

Feature OpenProject simpl4
Sugggest Score — —
Category Business & Commerce Office & Productivity
Pricing Open Source Open Source

Product Overview

OpenProject
OpenProject

Description: OpenProject is an open source project management software. It provides tools to plan projects and tasks, track time and costs, collaborate with teams, and report on progress. Key features include Gantt charts, roadmaps, issue tracking, forums, wikis, and document management.

Type: software

Pricing: Open Source

simpl4
simpl4

Description: simpl4 is an open-source, self-hosted project management software. It is designed to be simple, intuitive and fast while covering the essential features required by teams to plan, track and collaborate on projects.

Type: software

Pricing: Open Source

Key Features Comparison

OpenProject
OpenProject Features
  • Gantt charts
  • Roadmaps
  • Issue tracking
  • Forums
  • Wikis
  • Document management
simpl4
simpl4 Features
  • Task management
  • Time tracking
  • Gantt charts
  • Kanban boards
  • Calendar
  • Wiki pages
  • Issue tracking
  • Notifications
  • Access controls
  • REST API

Pros & Cons Analysis

OpenProject
OpenProject
Pros
  • Open source and free
  • Customizable and extensible
  • Good collaboration features
  • Intuitive user interface
Cons
  • Can be complex for simple needs
  • Limited reporting compared to paid options
  • Steep learning curve
simpl4
simpl4
Pros
  • Open source
  • Self-hosted
  • Simple and intuitive
  • Fast performance
  • Covers essential PM features
  • Active development
  • Customizable
Cons
  • Limited reporting
  • No resource management
  • No portfolio management
  • Limited integrations

Pricing Comparison

OpenProject
OpenProject
  • Open Source
simpl4
simpl4
  • Open Source

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Learn More About Each Product

OpenProject
OpenProject
Reviews, pricing & alternatives →
simpl4
simpl4
Reviews, pricing & alternatives →

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