Lasse Reinhold

AxiomCompress. C++

smhasher3. Mirror of SMHasher3 repo from official Gitlab site. Submit all issues and PRs there, not on Github!

Ark. A lightweight SQL-like database engine written from scratch in C++, featuring a hand-written tokenizer, recursive descent parser, typed tables, full CRUD operations, and file persistence — with no third-party libraries.

intrinhash. Fastest quality hash function for C/C++ on x64/ARM

Zorro. Xoshiro256++ with AVX2 / AVX512

Zirka. The Slowest-n-Greediest (encoding stage) while Strongest-n-Thriftiest (decoding stage) Deduplicator, 256 bytes granularity

behl. Lua-inspired scripting language with C-like syntax, implemented in C++20.

constvector. C++

zxc. Seekable lossless compression with O(1) random access, built for ultra-fast decode. Faster than LZ4 (40%+ on ARM64), with better ratios. C library, write-once/read-many.

lzav. Fast In-Memory Data Compression Algorithm (header-only C/C++) 540+MB/s compress, 3000+MB/s decompress, ratio% better than LZ4, Snappy, and Zstd@-1

kanzi-cpp. Fast lossless data compression in C++

lzbench. lzbench is an in-memory benchmark of open-source compressors

cpp2. Overview of Herb Sutter's Cpp2 & cppfront

cppfront. A personal experimental C++ Syntax 2 -> Syntax 1 compiler

ls-cpp2. A proof-of-concept LSP server for cpp2

cppfront. A personal experimental C++ Syntax 2 -> Syntax 1 compiler

DoubleDeuce. Fastest 128bit general hash?!

zpaqfranz. Deduplicating archiver with encryption and paranoid-level tests. Swiss army knife for the serious backup and disaster recovery manager. Ransomware neutralizer. Win/Linux/Unix

eXdupe. Ultra fast file archiver with deduplication and incremental backups

ConsoleGraphics. Small library that simplifies usage of pseudographics in Windows console

WindowsVirtualDesktopHelper. App to help manage Virtual Desktops for Windows 10 and Windows 11

VirtualDesktop. C# command line tool to manage virtual desktops in Windows 10

rtl_433. Program to decode radio transmissions from devices on the ISM bands (and other frequencies)

zpaq. ZPAQ's complete code history mirror

7-Zip-zstd. 7-Zip with support for Brotli, Fast-LZMA2, Lizard, LZ4, LZ5 and Zstandard

fast-lzma2. Fast LZMA2 Library

ExplorerPatcher. This project aims to enhance the working environment on Windows

powerino. Arduino based bicycle power meter

realm-swift. Realm is a mobile database: a replacement for Core Data & SQLite