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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Productivity alternatives
YNAB
Zero-based budgeting app for planning and tracking every dollar
12 alternatives
QuickBooks
Accounting, invoicing, expenses, payroll, and small business finance software
8 alternatives
Raindrop
Bookmark manager for collections, tags, highlights, and web archiving
10 alternatives
Todoist
To-do lists and task management for individuals and teams
10 alternatives
Google Docs
Browser-based word processor with real-time collaboration
6 alternatives
TickTick
To-do lists, reminders, calendar, habits, and Pomodoro focus timer
7 alternatives
Granola
AI meeting notes that record, transcribe, and summarize without a bot
5 alternatives
Read-it-later service for saving articles and webpages
9 alternatives
Microsoft OneDrive
Cloud storage, synchronization, and file sharing
12 alternatives
MEGA
Encrypted cloud storage and file synchronization
12 alternatives
Notion
Docs & knowledge base
18 alternatives
Microsoft OneNote
Digital notebooks, notes, drawings, and research
10 alternatives
Evernote
Notes, notebooks, web clipping, and personal productivity
14 alternatives
Microsoft Word
Desktop word processing and collaborative documents
5 alternatives
Obsidian
Local Markdown knowledge management and linked notes
19 alternatives
Airtable
Spreadsheet-database hybrid
9 alternatives
Monday.com
Work management for projects, teams, and business workflows
23 alternatives
Raycast
Keyboard-first productivity launcher for macOS
2 alternatives
Google Photos
Cloud photo and video backup, search, albums, and sharing
4 alternatives
Gmail
Hosted email, search, contacts, and Google Workspace integrations
4 alternatives
Microsoft 365
Productivity suite for office documents, email, storage, and collaboration
6 alternatives