FindAlternative
Back to Mantis

Mantis vs OpenProject

Side-by-side comparison of features, pricing, ratings, and alternatives.

Compare
Mantis
MantisA Swift image‑cropping library that mimics the iOS Photos app experience
OpenProject
OpenProjectFree and open source project management software
Overview
Description

Mantis is an open‑source image cropping library for iOS and Mac Catalyst, written in Swift and usable from both UIKit and SwiftUI. It is designed to be embedded directly into host applications, giving developers a native‑look cropping UI without building it from scratch. The library supports freeform and fixed‑ratio crops, custom shapes, rotation, flipping, perspective correction, and full undo/redo stacks, all under a permissive free license. It integrates smoothly with common development tools and version‑control systems, making it ideal for iOS development teams.

OpenProject is a free and open source project management software that offers a range of features to support project planning, team collaboration, and project tracking. It is designed to be highly customizable and scalable, making it suitable for a wide range of projects and teams.

Pricing
Free
Free
Category
Mobile Development
Project Management
Best for
iOS developers
Freelancers and small teams
Specifications
deployment
Self-hosted
open source
Yes
Yes
github stars
1,191
15,588+1209%
api available
Yes
Yes
support options
Email, Community Forum
Email, Community Support
key integrations
Git, SVN, MySQL, PostgreSQL
Git, SVN, LDAP
primary language
Swift
Ruby
Pros & Cons
Pros
  • Free and open‑source with no licensing fees
  • Seamless integration with both UIKit and SwiftUI
  • Rich feature set including rotation and perspective correction
  • Designed for easy embedding as a reusable component
  • Highly customizable and scalable
  • Supports a range of project management methodologies
  • Offers a range of features to support team collaboration
  • Free and open source
Cons
  • Limited to iOS and Mac Catalyst platforms
  • No built‑in server‑side processing; all work is client‑side
  • Documentation may be sparse for advanced custom shape implementations
  • Can be complex to set up and configure
  • Limited support for mobile devices
  • May require technical expertise to customize
Community & Metrics
Upvotes
0
0
User rating
Not enough data
Not enough data

More alternatives & similar tools

Alternatives to Mantis

View all →
OpenProject
OpenProject

Free and open source project management software

Compare
Linear
Linear

Fast, opinionated issue tracking built for software teams.

Compare
Jira
Jira

The #1 software development tool used by agile teams

Compare
plane
plane

Open-source project management for issues, cycles, and roadmaps without admin overhead

Compare

Alternatives to OpenProject

View all →
Focalboard
Focalboard

Open-source, self-hosted alternative to Trello, Asana, and Notion

Compare
Jira
Jira

The #1 software development tool used by agile teams

Compare
Basecamp
Basecamp

Calm, opinionated project management and team communication.

Compare
ClickUp
ClickUp

All-in-one work platform: tasks, docs, goals, and more.

Compare

The Verdict

AI-generated from listing data

Both OpenProject and Mantis are free, open‑source tools, but OpenProject offers broader project‑management features while Mantis focuses on issue tracking and reporting.

Key differences

  • OpenProject includes Gantt charts, calendar views and time‑tracking; Mantis does not.
  • Mantis provides a mobile‑friendly UI; OpenProject has limited mobile support.
  • OpenProject’s primary language is Ruby with 15.5k GitHub stars; Mantis is Swift with 1.2k stars.
  • Mantis supports multiple databases (MySQL, PostgreSQL, SQL Server); OpenProject’s database support isn’t specified.
DimensionWinner

Pricing & value

Both are free and open source, offering comparable cost‑free value.

Tie

Ease of use / learning curve

Mantis has a steep learning curve but offers a mobile‑friendly UI; OpenProject is noted as complex to set up.

Mantis

Features & depth

OpenProject provides Gantt charts, calendars, time tracking, and multiple PM methodologies; Mantis focuses on issue tracking.

OpenProject

Integrations & ecosystem

Both integrate with Git and SVN; Mantis adds database integrations, OpenProject adds LDAP.

Tie

Collaboration

OpenProject includes customizable workflows, project templates, and team collaboration tools; Mantis is more limited to issue tracking.

OpenProject

Scalability

OpenProject is described as highly customizable and scalable; Mantis is scalable but less emphasized.

OpenProject

Support

Both provide email and community‑based support options.

Tie

Choose Mantis if…

Software dev or IT groups focused on issue tracking with database flexibility.

Choose OpenProject if…

Small teams needing full project‑management (Gantt, time‑tracking, agile boards).

Common questions

Is there any cost to use either tool?

Both OpenProject and Mantis are free and open source.

Which tool offers better mobile access?

Mantis provides a mobile‑friendly interface; OpenProject has limited mobile support.

Do both tools support integration with Git?

Yes, both OpenProject and Mantis list Git (and SVN) as key integrations.