Top 12 Open-Source Alternatives to Mantis Bug Tracker

The top open-source alternatives to Mantis Bug Tracker are Redmine, Trac, and Bugzilla. One of the criteria for ordering this list is the number of mentions that products have on reliable external sources. You can suggest additional sources through the form here.

Redmine Landing Page
1

Redmine

Flexible project management web application
Pricing:
- Open Source
#Project Management #Task Management #Work Management 7 social mentions
Trac Landing Page
2

Trac

Trac is a project management and bug/issue tracking system. Provides an interface to Subversion and an integrated wiki.
Pricing:
- Open Source
#Project Management #Bug Tracking #Issue Tracking 15 social mentions
Bugzilla Landing Page
3

Bugzilla

Bugzilla is a "Defect Tracking System" or "Bug-Tracking System".
Pricing:
- Open Source
#Project Management #Code Collaboration #Development
The Bug Genie Landing Page
4

The Bug Genie

The Bug Genie is an issue tracking and project management, completely free for small teams.
Pricing:
- Open Source
#Project Management #Task Management #Software Development
Trello Landing Page
5

Trello

Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
Pricing:
- Freemium
- Free Trial
- $12.5 / Monthly (Per user - Business Class)
#Project Management #Task Management #Productivity 231 social mentions
Phabricator Landing Page
6

Phabricator

Phacility - Phabricator
Pricing:
- Open Source
#Code Collaboration #Project Management #Git 3 social mentions
OpenProject Landing Page
7

OpenProject

OpenProject is an open-source project management software with a wide set of features and plugins.
Pricing:
- Open Source
#Project Management #Task Management #Productivity 4 social mentions
ZenTao Landing Page
8

ZenTao

ZenTao is an open source project management tool, supporting Scrum.
Pricing:
- Open Source
- Freemium
- Free Trial
- $1.0 / Monthly (Pro, 5 users, 3 projects)
#Project Management #Task Management #Agile Project Management 1 user reviews
Tuleap Open ALM Landing Page
9

Tuleap Open ALM

Tuleap, first Open Source Software development and Agile Management tool
Pricing:
- Open Source
#Project Management #Requirements Management #Application Lifecycle Management
Flyspray Landing Page
10

Flyspray

The bug killer!
Pricing:
- Open Source
#Project Management #Task Management #Productivity
Taiga Landing Page
11

Taiga

Project management platform for agile developers & designers
Pricing:
- Open Source
#Project Management #Task Management #Work Collaboration 16 social mentions
Basecamp Landing Page
12

Basecamp

A simple and elegant project management system.
Pricing:
- Paid
- Free Trial
- $99.0 / Monthly (flat price)
#Project Management #Productivity #Task Management 37 social mentions