Alternatives
Find free and open source alternatives to popular proprietary software.
Name (A–Z)
PRTG Network Monitor
Monitoring & Observability
$200
month
1 open source alternative
Paddle
Payment Infrastructure
3 open source alternatives
PagerDuty
Monitoring & Observability
$25
month
1 open source alternative
Palo Alto Cortex XSOAR
Security Automation (SIEM/SOAR)
1 open source alternative
Palo Alto GlobalProtect
VPN & Secure Access
1 open source alternative
Palo Alto Networks Prisma Access
VPN & Secure Access
1 open source alternative
PandaDoc
Document Management & E-Signatures
$19
month
1 open source alternative
Paprika
Personal Knowledge Management (PKM)
$29.99
one-time
3 open source alternatives
Parsec
Remote Desktop Software
$8.33
month
1 open source alternative
PastPerfect
Photo & Video Management
$39
one-time
1 open source alternative
Paste
Notes & Knowledge
$2.49
month
1 open source alternative
Pastebin.com
Secure & Encrypted Notes
5 open source alternatives
Pastebot
Workspace Organizers
$12.99
one-time
1 open source alternative
Path of Exile
Gaming
$5
one-time
4 open source alternatives
Percy
Visual Testing
2 open source alternatives
Perplexity
AI Interaction & Interfaces
$20
month
6 open source alternatives
Perplexity Comet
Browser Automation for AI
$20
month
1 open source alternative
Petio
Media Servers
Free
1 open source alternative
Phrase
Content Management Systems (CMS)
$525
month
2 open source alternatives
Pi
AI Personal Assistants
1 open source alternative
Pictory
Photo & Video Editors
$25
month
1 open source alternative
Pika
Video Editors
1 open source alternative
Pinboard
Bookmark & Content Management
$22
year
7 open source alternatives
Pinecone
Machine Learning Infrastructure
$20
month
2 open source alternatives
Pingdom
Uptime Monitoring
4 open source alternatives
Pipedream® Products
E-commerce Platforms
$21.99
one-time
1 open source alternative
Pipedrive
Sales & CRM
$14
month
1 open source alternative
Plausible Analytics
Web Analytics
$9
month
1 open source alternative
Plesk
Server & VM Management
€6.60
month
5 open source alternatives
Plex
Media & Streaming
$1.99
month
15 open source alternatives
Open Source Software.io
Join our newsletter to get shiny new open source software delivered to your inbox. Unsubscribe anytime.