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The Best Open-Source Alternatives to ProofHub

Are you looking for a free or self-hosted alternative to ProofHub? In 2026, avoiding expensive proprietary software subscriptions is easier than ever. The open-source community has built excellent privacy-friendly tools within the Project Management ecosystem. Currently, there are 3 active replacements available, with OpenProject being one of the most prominent selections.

Quick Comparison: ProofHub vs. Open Source

Full comparison: ProofHub vs. OpenProject →
CriteriaProofHubOSS Replacements
Pricing modelPaid / Monthly Fees100% Free / Self-Hosted
Data ControlThird-party ServersFull Ownership & Privacy
CustomizabilityRestricted by VendorUnlimited (Modify Codebase)

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OpenProject

šŸ“ˆ Trending⭐ 10k+ Stars
GPL-3.0

OpenProject is a comprehensive project management platform that offers a robust set of features for issue tracking, project planning, and team collaboration, all while prioritizing user autonomy and data privacy. As a free and open-source alternative to ProofHub, OpenProject empowers teams to manage their projects efficiently without compromising on data security or control.

⭐ 15,828 Stars
šŸ“ 3,421 Forks
ā— 0 Open Issues
šŸ·ļø GPL-3.0
NOASSERTION

Redmine is a comprehensive, open-source project management and collaboration platform that empowers teams to track projects, issues, and workflows in a centralized, customizble, and highly customizable environment. As a self-hosted alternative to ProofHub, Redmine offers unparalleled control over security, data ownership, and functionality, making it the go-to choice for organizations seeking a cost-effective, feature-rich, and GDPR-compliant solution for project management.

⭐ 6,004 Stars
šŸ“ 2,454 Forks
ā— 0 Open Issues
šŸ·ļø NOASSERTION
AGPL-3.0

ProjectPier is an open-source, self-hosted project management tool that provides a customizable and secure alternative to cloud-based solutions like ProofHub, offering complete control over data and privacy. With its robust feature set and flexible customization options, ProjectPier empowers teams to collaborate efficiently and securely, all within their own infrastructure.

⭐ 10 Stars
šŸ“ 2 Forks
ā— 0 Open Issues
šŸ·ļø AGPL-3.0

Frequently Asked Questions

What is the best open source alternative to ProofHub?

Based on GitHub community data (including star count and fork activity), OpenProject stands out as one of the most reliable open-source replacements for ProofHub today.

Why should I use an open-source replacement instead of ProofHub?

Switching to an open-source solution ensures complete data sovereignty, protects your software environment from sudden vendor price hikes, and gives you full transparent control over your tech-stack metadata.

Top Open-Source Alternatives to ProofHub in 2026