Alternatives
Find free and open source alternatives to popular proprietary software.
Name (A–Z)
Kontent.ai
Headless CMS
1 open source alternative
Kubera
Investment Tracking
$250
year
1 open source alternative
Kumospace
Video Conferencing & Virtual Office
$16
month
1 open source alternative
LG webOS TV SDK
Development Environments
Free
1 open source alternative
LINQPad
Code Editors
1 open source alternative
LM Studio
AI Integration Platforms
Free
2 open source alternatives
LabArchives
Document Management Systems
$35
year
1 open source alternative
Landbot
Chatbot Platforms
€32
month
1 open source alternative
LangSmith
AI Development Platforms
$39
month
9 open source alternatives
LanguageTool
Browser Extensions
1 open source alternative
Laserfiche
Document Management Systems
$42
month
2 open source alternatives
Last.fm
Personal Tracking Apps
$4.99
month
1 open source alternative
LastPass
Password & Secret Management
7 open source alternatives
LaunchBox
Media Servers
$30
one-time
2 open source alternatives
LaunchDarkly
AI Development Platforms
$5
month
5 open source alternatives
Letterboxd
Personal Tracking Apps
Free
1 open source alternative
LibraryThing
Personal Tracking Apps
Free
2 open source alternatives
Lightshot
Screenshot Utilities
Free
1 open source alternative
Lightspeed Retail
ERP Systems
$89
month
1 open source alternative
Linear
Project & Work Management
$10
month
3 open source alternatives
LinearB
BI Platforms
1 open source alternative
Linktree
Social Networking
3 open source alternatives
Liquibase Enterprise
CI/CD Platforms
1 open source alternative
Listary
Search Engines
$19.95
one-time
1 open source alternative
LiteSpeed Web Server
API Infrastructure
3 open source alternatives
Little Hotelier
Appointment Scheduling
1 open source alternative
Live365
Media Servers
$59
month
1 open source alternative
LiveChat
Live Chat & Messaging
$19
month
1 open source alternative
LogMeIn Hamachi
VPN & Secure Access
$49
year
1 open source alternative
LogRocket
Web & Product Analytics
$69
month
2 open source alternatives
Open Source Software.io
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