Links

The project's own pages, its Unix/Linux port, and the wider ecosystem built around the 7z format and LZMA — grouped by what each thing actually is, not run together in one long list.

Project

7-Zip at GitHub 7-Zip Releases at GitHub 7-Zip at SourceForge 7-Zip's Forum at SourceForge 7-Zip website mirror at SourceForge 7-Zip at Wikipedia

p7zip — the Unix/Linux port

The original p7zip source is unmaintained since 16.02; a community fork carries it forward with additional codecs and fixes.

p7zip at SourceForge
p7zip fork (jinfeihan57) with additional codecs and improvements

Related projects

LZMA utils XZ utils PyLZMA — Python bindings for LZMA 7-Zip Portable SevenZipSharp — C# interface to 7z.dll 7-Zip-JBinding — a Java wrapper for the 7-Zip C++ library 7-Zip WASM ZipZip — online archive manager built on 7-Zip WASM

Applications using 7-Zip (LZMA) compression

NSIS (Nullsoft Scriptable Install System)
Inno Setup
Advanced Installer
UPX — the Ultimate Packer for eXecutables

Applications that open .7z archives

WinRAR
PowerArchiver
Total Commander
FAR Manager
IZArc
PeaZip
The Unarchiver (macOS)
Bitser