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All TasksTop 20 Alternative OpenSource for COLLABORATION in Project Management 2025
logseq
Project managementA privacy-first, open-source platform for knowledge management and collaboration.
joplin
Project managementJoplin - the secure note taking and to-do app with synchronisation capabilities for Windows, macOS, Linux, Android and iOS.
temporal
Development & ITTemporal is a durable execution platform that enables developers to build scalable applications without sacrificing productivity or reliability.
AFFiNE
Project managementAFFiNE is a next-gen knowledge base that brings planning, sorting and creating all together.
outline
Project managementThe fastest knowledge base for growing teams. Beautiful, realtime collaborative, feature packed, and markdown compatible.
plane
Project managementOpen Source JIRA, Linear, Monday, and Asana Alternative. Plane helps you track your issues, epics, and product roadmaps in the simplest way possible.
Appflowy
Project managementBring projects, wikis, and teams together with AI. AppFlowy is an AI collaborative workspace where you achieve more without losing control of your data.
Huly
Project managementHuly — All-in-One Project Management Platform (alternative to Linear, Jira, Slack, Notion, Motion)
focalboard
Project managementFocalboard is an open source, self-hosted alternative to Trello, Notion, and Asana.
peppermint
Customer supportAn open source ticket management & help desk solution. A zendesk/freshdesk alternative
gitlabhq
Development & ITGitLab CE Mirror | Please open new issues in our issue tracker on GitLab.com
mattermost
Remote collaborationMattermost is an open source platform for secure collaboration across the entire software development lifecycle..
