Top Alternatives to Marker

Jira is a proprietary issue tracking product, developed by Atlassian.

Trac is an open source, Web-based project management and bug tracking system.

Yodiz is a simple but comprehensive agile tool with visual boards for Sprints, Releases, Backlog, Epics and Issue management.

Pivotal Tracker is a software as a service product for agile project management and collaboration.

Mantis Bug Tracker is a free and open source, web-based bug tracking system. The most common use of MantisBT is to track software defects.

Ubirimi is a project tracker for planning, building and launching products.

Ora is a real-time all-in-one workspace for teams.

Droplr is a file-sharing tool for Mac. Effortlessly share files, screenshots, and screencasts with friends, colleagues, and clients.

Bugzilla is a web-based general-purpose bugtracker and testing tool.

The Bug Genie is free and open source, web-based project management and bug tracking system.

Lean Testing is a free bug tracker and test case management software for high performance development teams.

FogBugz is an integrated web-based project management system featuring bug/issue tracking, discussion forums, wikis, customer relationship management, and evidence based scheduling.

Request Tracker is a ticket-tracking system written in Perl used to coordinate tasks and manage requests among a community of users.