Alternatives
Find free and open source alternatives to popular proprietary software.
Name (A–Z)
SciNote
Document Management Systems
1 open source alternative
Screen Studio
Screen Capture & Recording
$9
year
2 open source alternatives
Screencastify
Screen Recording
$7
month
1 open source alternative
Screenly
Media & Streaming
$17
month
1 open source alternative
SecureCRT
Terminals
$119
one-time
4 open source alternatives
Seedr
Media Servers
$3.95
month
1 open source alternative
Semrush
Marketing & Customer Engagement
$117.33
month
1 open source alternative
SendGrid
Email & Communication
$19.95
month
7 open source alternatives
Sendbird
Messaging & Event Streaming
$349
month
1 open source alternative
Sentry
Error Tracking
$26
month
2 open source alternatives
ServiceNow GRC
Compliance Automation
1 open source alternative
Sessionize
Event Ticketing & Management
$499
one-time
1 open source alternative
Sharesight
Investment Tracking
$7
month
1 open source alternative
Shells
Remote Desktop Software
$14.95
month
1 open source alternative
Shift
Team Chat & Messaging
$199.99
year
1 open source alternative
Shopify
E-commerce Platforms
$5
month
14 open source alternatives
Shopify Plus
Headless Commerce
$2500
month
1 open source alternative
Sidify Music Converter
Audio Editors
$2.07
month
1 open source alternative
Sierra
AI Agent Platforms
1 open source alternative
Signal
Collaboration & Communication
Free
2 open source alternatives
Simkl
Personal Tracking Apps
$1
month
1 open source alternative
SimpleLogin
Secure Email Providers
$4
month
1 open source alternative
Simply Piano
Personal Tracking Apps
1 open source alternative
Sip
Screenshot Utilities
$29.99
one-time
1 open source alternative
SirsiDynix Symphony
ERP Systems
1 open source alternative
Sirvoy
Appointment Scheduling
$9
month
1 open source alternative
Sitecore
Traditional & Flat-File CMS
$80k
year
6 open source alternatives
Sitecore Experience Platform
Traditional & Flat-File CMS
2 open source alternatives
Sizzy
Frontend Development
$12
month
1 open source alternative
Sketch
Design & Prototyping
$12
month
2 open source alternatives
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