Bugzilla is a mature, open‑source bug‑tracking system used by many large projects. Looking for modern, flexible, or cloud‑based options? Below are 20 alternative bug & issue tracking tools you can evaluate.
Get targeted exposure with custom position pinning and highlighted placement.
Industry‑leading agile project management platform with powerful issue tracking, customizable workflows, and extensive integrations.
Native issue tracker built into GitHub repositories, supporting markdown, labels, milestones, and project boards.
Integrated issue management within GitLab, offering boards, labels, milestones, and full CI/CD linkage.
Scalable work tracking service with Kanban boards, backlogs, and rich reporting for development teams on Azure.
JetBrains’ issue tracker with smart search, customizable workflows, agile boards, and time‑tracking built‑in.
Open‑source, web‑based project management and issue tracking tool with Gantt charts, calendars, and plugin ecosystem.
Lightweight, open‑source bug tracker with email notifications, role‑based access, and simple UI.
Integrated issue tracking and wiki system, ideal for developers who need tight source‑control coupling.
Suite of open‑source tools for code review, repository hosting, and robust issue tracking.
Fast, modern issue tracker focused on speed, keyboard shortcuts, and seamless integration with GitHub/GitLab.
All‑in‑one work platform with customizable issue views, agile boards, and native time‑tracking.
Work OS that can be configured as a visual issue tracker with automations, dashboards, and timeline views.
Task‑centric platform offering issue‑tracking templates, project timelines, and robust collaboration features.
Kanban‑style board tool that can be adapted for bug tracking via cards, labels, and Power‑Ups.
Agile project management tool with built‑in issue tracking, story mapping, and integration with Git providers.
Cloud‑based bug tracking solution with customizable workflows, SLA management, and multi‑project support.
Customer support platform that also serves as an issue tracker with automation, SLA, and reporting.
Project management and bug tracking tool with Git/SVN repositories, Gantt charts, and Kanban boards.
Classic issue tracker with case management, time‑tracking, and integrated knowledge base.
Visual bug tracking widget for websites, allowing non‑technical stakeholders to pin issues directly on the page.