TiloBox

Best Free & Open Source LGPL-2.1 Tools

Category
License
Alternatives To
Links
FFmpeg
Media+1
LGPL-2.1
Compressor, Adobe Media Encoder, Sorenson Squeeze
46,000
FreeCAD
Media+1
LGPL-2.1
SolidWorks, Autodesk Fusion 360, AutoCAD
22,000
Duplicati
Security+1
LGPL-2.1
CrashPlan, Backblaze, Carbonite
18,000
Ceph
Devops Infrastructure+1
LGPL-2.1
AWS EBS, NetApp, AWS S3
14,500
LanguageTool
Developer Tools+1
LGPL-2.1
Grammarly, Hemingway, ProWritingAid
12,500
Cockpit Project
Monitoring+1
LGPL-2.1
cPanel, Webmin, Portainer
10,500
Pygame
Developer Tools+1
LGPL-2.1
Pygame-ce, Raylib, Arcade
6,500
OpenTSDB
Developer Tools+1
LGPL-2.1
InfluxDB, Datadog, AWS Timestream
4,800
Heaptrack
Developer Tools+1
LGPL-2.1
Valgrind Massif, Purify, Intel Inspector
3,800
Open CASCADE Technology
Developer Tools+1
LGPL-2.1
ACIS, Parasolid, CGM Geometric Engine
2,500
SimpleSAMLphp
Security+1
LGPL-2.1
Shibboleth, Okta SSO, PingFederate
1,800
Geary
Communication+1
LGPL-2.1
Apple Mail, Microsoft Outlook, Thunderbird
1,500
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LGPL-2.1 License FAQs

A license sets the legal permissions and conditions for using, modifying, and distributing software. The exact obligations depend on the license text and how you plan to use the project.

Many open-source licenses permit commercial use, but you must follow their conditions. Read the full license for each project and get qualified legal advice when the decision affects your business or product.

The license is only one decision factor. Also compare features, project health, documentation, compatibility, deployment model, and the maintenance effort your team can support.

Requirements vary by license and by whether you modify or redistribute the software. Preserve required notices and review the license text and project documentation before shipping or distributing it.

No. A license defines legal terms; it does not measure security, quality, or project activity. Evaluate releases, documentation, issue handling, and security practices separately.