LGPL-2.1-or-later — independent software & tools
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polyml
Standard ML implementation
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projectm
Milkdrop-compatible music visualizer
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pth
GNU Portable THreads
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py7zr
7-zip in Python
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pygobject3
GNOME Python bindings (based on GObject Introspection)
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qca
Qt Cryptographic Architecture (QCA)
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qdbm
Library of routines for managing a database
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qrencode
QR Code generation
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qxmpp
Cross-platform C++ XMPP client and server library
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rlog
Flexible message logging facility for C++
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rocq-elpi
Elpi extension language for Rocq
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root
Analyzing petabytes of data, scientifically
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sfsexp
Small Fast S-Expression Library
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shivavg
OpenGL based ANSI C implementation of the OpenVG standard
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sigma-cli
CLI based on pySigma
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sofia-sip
SIP User-Agent library
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sound-touch
Audio processing library
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spotbugs
Tool for Java static analysis (FindBugs's successor)
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sshuttle
Proxy server that works as a poor man's VPN
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stoken
Tokencode generator compatible with RSA SecurID 128-bit (AES)
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strace
Diagnostic, instructional, and debugging tool for the Linux kernel
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template-glib
GNOME templating library for GLib
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texttest
Tool for text-based Approval Testing
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tinysvm
Support vector machine library for pattern recognition
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tokyo-cabinet
Lightweight database library
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tokyo-dystopia
Lightweight full-text search system
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two-lame
Optimized MPEG Audio Layer 2 (MP2) encoder
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umockdev
Mock hardware devices for creating unit tests and bug reporting
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unar
Command-line unarchiving tools supporting multiple formats
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vala
Compiler for the GObject type system
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vapoursynth
Video processing framework with simplicity in mind
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vapoursynth-imwri
VapourSynth filters - ImageMagick HDRI writer/reader
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vips
Image processing library
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vlmcsd
KMS Emulator in C
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vstr
C string library
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vtable-dumper
List contents of virtual tables in a shared library
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winetricks
Automatic workarounds for problems in Wine
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yacas
General purpose computer algebra system
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yamcha
NLP text chunker using Support Vector Machines
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zanata-client
Zanata translation system command-line client
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zenity
GTK+ dialog boxes for the command-line
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zero-install
Decentralised cross-platform software installation system