Alternatives
Find free and open source alternatives to popular proprietary software.
Name (A–Z)
Superblocks
Low-Code/No-Code
$100
month
1 open source alternative
Superwhisper
Input & Dictation
$849
2 open source alternatives
Surge
VPN & Secure Access
1 open source alternative
SurveyMonkey
Survey Tools
2 open source alternatives
Synology DSM
Control Panels
1 open source alternative
Synology DiskStation Manager
Control Panels
2 open source alternatives
Synology Photos
Photo & Video Management
Free
1 open source alternative
Synology Surveillance Station
Media Servers
1 open source alternative
TCAdmin
Control Panels
$7.95
month
4 open source alternatives
TablePlus
Databases
$79
one-time
6 open source alternatives
Tableau
BI Platforms
7 open source alternatives
Tabnine
AI Coding Agents
$39
month
1 open source alternative
Tailscale
VPN & Secure Access
$8
month
3 open source alternatives
Talend
ETL & Data Integration
1 open source alternative
TalentLMS
Course Creation Platforms
$119
month
1 open source alternative
Teachable
Learning Management Systems (LMS)
$2
month
3 open source alternatives
TeamSpeak
Team Chat & Messaging
1 open source alternative
TeamViewer
Remote Desktop & Access
4 open source alternatives
Telegram
Collaboration & Communication
Free
6 open source alternatives
Teleport
Identity & Access Management (IAM)
2 open source alternatives
Telestream Vantage
Media Servers
1 open source alternative
Temporal Cloud
Workflow Orchestration
$100
month
2 open source alternatives
Termius
Terminals
$10
month
4 open source alternatives
Terra API
Integration Platforms
$399
month
1 open source alternative
Terraform Cloud
Infrastructure as Code (IaC)
1 open source alternative
Tesla
IoT Databases
1 open source alternative
TeslaFi
Data Visualization
$7.99
month
1 open source alternative
Testim
Automated Testing
Free
1 open source alternative
ThingWorx
IoT Databases
1 open source alternative
Thingiverse
Photo & Video Management
Free
1 open source alternative
Open Source Software.io
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