JIRA, monday.com, Microsoft Project, Odoo, OpenProject, Taiga.io, Bitrix24, SourceForge, Smartsheet, Kanboard, YouTrack, Task Manager Pro, Mantis Bug Tracker, CarbonCopy, Priority Matrix, Almanac, ClockingIT, XavaProjects, zipBoard, Eventum, BamBam!, Taskulu, MyCollab, ActiveCollab, Leanlabs.io Kanban, Walling, Avaza, Planka, MOOVIA, Bugzilla, TargetProcess, Wrike, AFFiNE, Quire, Oracle Primavera, Gantter, Codegiant, VivifyScrum, Request Tracker, TimeCamp, Scrumwise, RedmineUP cloud, Planfix, winio, Freedcamp, Doit.io, Doddle, ZenTao, Timerusher, Open Atrium, Eclipse Mylyn, jtrac, Rachota, Sourcegraph, qdPM, VisionProject, GitScrum, Assembla, Spekfy, ProjeQtOr, Phabricator, SuiteDash, Mavenlink, Flat Tomato, Fibery, ONLYOFFICE Projects, Journalify, Jira Clone, Timecap, MantisHub, icescrum, Flyspray, Issue Tracker, Portfolio for Jira, todoyu, Worksection, Planio, Collabtive, GoodDay, Agado, GQueues, uBugtrack, LeaderTask, Monolist, Comidor, Roundrush, SprintGround, web2project, ProWorkflow, TeamWox, Planiro, Proces.io, Allegra, Skylight, taskblitz, Binary Management, Stackfield, Futuramo Time Tracker, Tara AI, Goals by KeepSolid, Project.net, Planning Pod, Goplan, StrikeBase, GitBucket, BigPicture, My Renovation, Catalist, RationalPlan, SprintApp, voo2do, Futuramo Visual Tickets, Evadastudio, Wedoist, Assign It To Me, Deveo, Easy Redmine, Epicflow, Das HQ, Apache Bloodhound, SourceRepo, Bontq, 5pm, iManageProject, Planship, WorkMate, Team Task Manager, JobNimbus, Unified Inbox, Acunote, Evada studio, Output Time, ITM Platform, SprintCost, BugTower, Pagure, Action Method , Auroria, Planthat, Subtask, Waterflow, Codendi, Countersoft Gemini, Vermis, Stepsie, People Manager, Zoho BugTracker, Bugira, TimePanther, Retrospectiva, Goalkeeper, JustDoo, Atom Bug Tracker, freelancerKit, Scrumpy, Pivotal Tracker, MILEO.IO, GitTorrent, HelgApps, Scrumi, Nutcache, XBtrack task and bug tracker, Splendid Bacon, Tickd, IssueBurner, Instant Team, Jixee, OnStage, AffinityLive, Dooster.net, SoFreakingBoring, Gitorious, WorkAsTeam, Flunify, Ravetree, Twoodo, Goodwerp.com, Project Pier, gitly, TrackVia, WizeHive, WorkflowMax, Flowlu, DeskAway, tasksIT, TeamHub, Torch Project Management, Akiri DevBox, ChiliProject, VisionFlow, TeamBins, Mana-Sys Redmine Client, Wunderkit, SpiraPlan, Bugilo, Indefero, Crocagile, PlanShell, ClientSpot, Yodiz, Aiveo, BetterMeans, BigGantt, PMRobot, CA Agile Central, AmiProject, ProjectSpaces, BusyFlow, RMClient, Office123, Planzone, Enpointer are some alternatives to Redmine.