Bugzilla alternatives and similar tools

Based on the "Ticketing systems" category.
Alternatively, view Bugzilla alternatives based on common mentions on social networks and blogs.

osTicket

7.3 2.1 L2 Bugzilla VS osTicket

The osTicket open source ticketing system official project repository, for versions 1.8 and later
MantisBT

6.1 9.7 L2 Bugzilla VS MantisBT

Mantis Bug Tracker (MantisBT)

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OTRS

5.5 7.2 L3 Bugzilla VS OTRS

((OTRS)) Community Edition is one of the most flexible web-based ticketing systems used for Customer Service, Help Desk, IT Service Management. Please note that ((OTRS)) Community Edition offers limited OTRS functionality.
Request Tracker

4.8 9.6 L4 Bugzilla VS Request Tracker

Request Tracker, an enterprise-grade issue tracking system
TheBugGenie

4.4 0.0 L2 Bugzilla VS TheBugGenie

The Bug Genie is a friendly project management and issue tracking tool
Flyspray

4.2 4.6 L2 Bugzilla VS Flyspray

Flyspray Bug Tracking System
Cerb

2.5 0.0 L2 Bugzilla VS Cerb

Cerb brings order to a busy team inbox with bot powered email management and workflow automation. Used by thousands of teams for 15+ years. For production, use: https://github.com/cerb/cerb-release/
Roundup Issue Tracker

2.3 3.2 Bugzilla VS Roundup Issue Tracker

Mirror of http://hg.code.sf.net/p/roundup/code -- used for CI. Please visit https://issues.roundup-tracker.org to find starter issues or log new issues.