14 open source tools under LGPL-2.1
All 14 projects licensed under LGPL-2.1, ranked by GitHub stars. Activity and language shown per project; data refreshed nightly.
AI-powered grammar checker for 30+ languages
A fast image processing library with low memory needs.
LiteIDE is a simple, open source, cross-platform Go IDE.
Visualizer for pandas data structures
Mapnik is an open source toolkit for developing mapping applications
Infrared remote library for ESP8266/ESP32: send and receive infrared signals with multiple protocols. Based on: https://github.com/shirriff/Arduino-IRremote/
Open-source code security engine for developers
C/C++ server and network library, including coroutine,redis client,http/https/websocket,mqtt, mysql/postgresql/sqlite client with C/C++ for Linux, Android, iOS,
NIST Certified SCAP 1.2 toolkit
Comprehensive open-source HR management solution
A 2D chart library for Java applications (JavaFX, Swing or server-side).
Open-source knowledge management and collaboration platform
EJBCA® – Open-source public key infrastructure (PKI) and certificate authority (CA) software.
A complete and open application for automatic backing tracks generation.
Frequently asked questions
What can I do with LGPL-2.1-licensed code?
You can link it into proprietary software.
What does the LGPL-2.1 licence require?
You must publish changes to the LGPL-covered library and allow substitution.
What does LGPL-2.1 prohibit?
You cannot close the library itself. LGPL-2.1 is not the only option — LGPL-3.0, which adds patent protections is the nearest licence in common use.
Which open source projects use the LGPL-2.1 licence?
14 projects in this registry use LGPL-2.1, with 61,647 GitHub stars between them across 7 languages. The most-adopted is LanguageTool with 15,229 stars, and 12 of the 14 received a commit in the last 90 days.