Top 20 Alternatives to ONES Project in Bug & Issue Tracking Software

ONES Project provides a lightweight issue‑tracking system for software teams. Below are 20 competing bug‑tracking and issue‑management tools you can consider as alternatives.

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Top Competitors to Consider

Atlassian’s flagship agile work management suite with powerful issue tracking, customizable workflows, and deep integration with development tools.

Built‑in lightweight issue tracker for repositories on GitHub, supporting markdown, labels, milestones, and project boards.

Integrated issue management inside GitLab CI/CD, offering boards, labels, custom fields, and AI‑assisted suggestions.

Microsoft’s work tracking system featuring backlogs, kanban boards, sprint planning, and full traceability to code and builds.

#6 Redmine

Open‑source project management web app with issue tracking, Gantt charts, calendars, and plugin extensibility.

Centurylink’s mature open‑source bug tracking system, known for powerful searching, custom fields, and workflow flexibility.

JetBrains’ issue tracker that supports smart queries, Agile boards, time tracking, and AI‑powered issue triage.

#9 ClickUp

All‑in‑one work platform with customizable issue statuses, agile boards, native Git integrations, and robust automations.

#10 Linear

Fast, modern issue tracker focused on performance, built‑in roadmaps, and seamless sync with GitHub, GitLab, and Bitbucket.

Lightweight Agile project management tool designed for software teams, featuring stories, epics, and Kanban workflows.

#12 MantisBT

Open‑source bug tracker with customizable fields, email notifications, and role‑based access control.

Comprehensive suite from Meta that includes Differential code review, Maniphest task tracker, and strong API support.

Cloud‑based issue management with customizable workflows, SLA metrics, and integration with Zoho’s suite of business apps.

#15 Trello

Visual Kanban board tool that can be adapted for issue tracking using cards, labels, and power‑ups such as GitHub.

#16 Asana

Work management platform offering task‑centric issue tracking, custom fields, and timeline view for bug resolution.

Flexible Work OS with issue‑tracking boards, automations, and integrations to GitHub, Jira, and Slack.

Agile project management tool emphasizing story‑based planning and real‑time velocity tracking for bug work.

Kanban board extension for GitKraken, enabling lightweight issue tracking directly beside your repos.

#20 FogBugz

Integrated bug tracking and project management suite with evidence‑based estimations and built‑in knowledge base.

#21 Backlog

Nulab’s collaboration platform that combines issue tracking, Git/SVN repositories, and Wiki in one service.