Open-source alternatives to popular software
OSS Alternatives covers a small number of proprietary tools in depth rather than a large, shallow directory. Each page below ranks genuinely open-source alternatives by GitHub activity and spells out license, self-hosting, and pricing so you can pick one with confidence.
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Project Management alternatives
Jira Service Management
IT service management and help desk
1 alternative
Teamwork
Project management and client work platform for agencies
9 alternatives
Productboard
Product management and customer feedback platform
5 alternatives
Smartsheet
Spreadsheet-style project and work management
8 alternatives
Google Tasks
Simple to-do lists built into Gmail, Calendar, and Google Workspace
4 alternatives
Basecamp
Project management and team communication platform
17 alternatives
Asana
Work management for tasks, projects, goals, and team workflows
26 alternatives
Linear
Issue tracking and product development workflows
8 alternatives
Jira
Issue tracking, agile planning, and project workflows
14 alternatives
Trello
Visual project management with Kanban boards, lists, and cards
19 alternatives
ClickUp
All-in-one productivity and project management platform
25 alternatives