Redmine
Open Source
Redmine is a flexible project management web application.
Trac
Open Source
Trac is an open source, Web-based project management and bug tracking system.
Mantis Bug Tracker
Open Source
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.
Geary
Open Source
Geary is an email application built around conversations, for the GNOME 3 desktop. It allows you to read, find and send email.
Mutt
Open Source
Mutt is a text-based email client for Unix-like systems.
Bitrix24
Freemium
Bitrix24 is a free (for small businesses) social enterprise platform.
Zimbra Desktop
Free Personal
Zimbra Desktop is an offline client that lets you manage various email accounts in one desktop tool.
Open365
Open Source
Open365 is an all-in-one productivity suite, based on KDE, Seafile, LibreOffice, Docker, and Jitsi.
Kontact
Open Source
Kontact is a personal information manager and groupware software suite developed by KDE. It supports calendars, contacts, notes, to-do lists, news, and email.
Evolution
Open Source
Evolution is the official personal information manager for GNOME.
Mailspring
Freemium
Mailspring is a multi-platform email client.
Claws Mail
Open Source
Claws Mail is a free and open-source, GTK+-based email and news client. It offers easy configuration and an abundance of features.
Ora
Commercial
Ora is a real-time all-in-one workspace for teams.
Phabricator
Open Source
Phabricator is a suite of web-based software development collaboration tools.
ProjectLibre
Open Source
ProjectLibre is an open source, freely available project management software system intended ultimately as a standalone replacement for Microsoft Project.
Kontact - KMail
Open Source
KMail is the email component of Kontact, the integrated personal information manager from KDE.
FogBugz
Commercial
FogBugz is an integrated web-based project management system featuring bug/issue tracking, discussion forums, wikis, customer relationship management, and evi…
Compare OpenProject with alternatives
Compare Redmine and OpenProject and decide which is most suitable for you.
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Compare Bitrix24 and OpenProject and decide which is most suitable for you.
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Compare Zimbra Desktop and OpenProject and decide which is most suitable for you.
Compare Kontact - KMail and OpenProject and decide which is most suitable for you.
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Compare FogBugz and OpenProject and decide which is most suitable for you.
Compare Kontact and OpenProject and decide which is most suitable for you.