Server-side data ingestion and transformation tool

https://www.elastic.co/products/logstash

Server-side data ingestion and transformation tool

https://www.elastic.co/products/logstash

Lohit fonts

https://fedorahosted.org/lohit/

Lightweight Jabber client library

https://mcabber.com/

Simple Markdown translator

https://kristaps.bsd.lv/lowdown/

Receive/Send files via X/Y/ZMODEM protocol. (unrestrictive)

http://www.ohse.de/uwe/software/lrzsz.html

Lists information about block devices in the system

https://github.com/vermaden/lsblk

Display information about the CPU architecture

https://github.com/NanXiao/lscpu

Lists information about open files (similar to fstat(1))

https://github.com/lsof-org/lsof

Libraries to instrument and trace user applications

https://github.com/lttng/lttng-ust

Bitwise operations on numbers

http://bitop.luajit.org/

JSON parser/creator for Lua

https://github.com/harningt/luajson

Lua bindings to libraries using GObject-Introspection

https://github.com/pavouk/lgi

PEG-based pattern-matching library for Lua

http://www.inf.puc-rio.br/~roberto/lpeg/

LibYAML binding for Lua

https://GVVaughan.GitHub.io/lyaml/

Small, compilable scripting language providing easy access to C code

https://www.lua.org/

Small, compilable scripting language providing easy access to C code

https://www.lua.org/

Powerful, efficient, lightweight, embeddable scripting language

https://www.lua.org/

Powerful, efficient, lightweight, embeddable scripting language

https://www.lua.org/

LuaExpat is a SAX XML parser based on the Expat library

http://www.keplerproject.org/luaexpat

Just-In-Time Compiler for Lua

https://luajit.org/luajit.html

Just-In-Time Compiler for Lua (OpenResty branch)

https://github.com/openresty/luajit2

Socket support for the Lua language

https://github.com/diegonehab/luasocket

Full-text search engine for Java

http://lucene.apache.org/java/

Locale and ISO 2022 support for Unicode terminals

https://invisible-island.net/luit/

Archive manager from the Lumina Desktop

https://lumina-desktop.org/

Scientific calculator from the Lumina Desktop

https://lumina-desktop.org/

Lumina Desktop Environment

https://lumina-desktop.org/

File properties utility from the Lumina Desktop

https://lumina-desktop.org/

Insight file manager from the Lumina Desktop

https://lumina-desktop.org/

Streaming media player from the Lumina Desktop

https://lumina-desktop.org/

PDF viewer from the Lumina Desktop

http://lumina-desktop.org

Image viewer utility from the Lumina Desktop

http://lumina-desktop.org

Screenshot utility from the Lumina Desktop

https://lumina-desktop.org/

Plaintext editor from the Lumina Desktop

https://lumina-desktop.org/

Lumina desktop wallpapers/colors

https://github.com/trueos/lumina-themes

Display the moon's phase

http://www.vector.co.jp/soft/dos/edu/se004823.html

GNUstep news reader

Lightweight C++ API for Lua

https://github.com/jmmv/lutok/

Open standard for audio plugins (successor to LADSPA)

https://lv2plug.in/

Lightweight terminal emulator from the LXDE project

https://wiki.lxde.org/en/LXTerminal

Non-graphical, text-based World-Wide Web client

https://lynx.invisible-island.net/

In-memory benchmark of open-source LZ77/LZSS/LZMA compressors

https://github.com/inikep/lzbench

Lossless data compressor based on the LZMA algorithm

http://www.nongnu.org/lzip/

High-ratio LZMA compressor

https://www.7-zip.org/sdk.html

Portable speedy, lossless data compression library

http://www.oberhumer.com/opensource/lzo/

Fast file compressor similar to gzip, using the LZO library

http://www.oberhumer.com/opensource/lzop/

Data files for the m17n library

http://www.nongnu.org/m17n/

The m17n library documentation

http://www.nongnu.org/m17n/

Library for multilingual text handling

http://www.nongnu.org/m17n/