Sylwester Wysocki - home page
Selected projects
2024
- QCRef, Reference implementation of molecular integrals over Gaussian-Type Orbitals (GTO).
- Snowplow replacement, In-house replacement for a Snowplow-based pipeline processing 30+ TB/day, reducing CPU requirements from 1,200 to 120 cores. Closed source, commercial work for Ozone Project.
2023
- Crypto trading operations system, Backend for a cryptocurrency trading management platform, including integration with a third-party AML provider and Modulus platform. Closed source, commercial work for LondonLink.
2020
- Syscall-dump, Dump syscall numbers from local NTDLL.DLL file.
- PE32+ without imports table, Two methods for retriving addresses of LoadLibrary() and GetProcAddress() without imports table in 64-bit PE executable.
- VIA D700 Drive Recorder, Embedded software for VIA D700 device written in C++, closed source, commercial work on behalf of KEMU STUDIO Ltd.
2019
- Mathsteps, Fork of symbolic math library delivering step-by-step solutions, written in javascript, originally created by Evy Kassier, work sponsored by KEMU STUDIO Ltd.
2017
- Binary JSON, C and node.js implementations of BJSON format.
2015
- Calculla.com, Set of online calculators written in node.js, closed source, commercial work on behalf of KEMU STUDIO Ltd, still cooperating.
2014
- Tegenaria, Set of C++ utils developed mainly during 2010-2014 for internal use, released under MIT license in 2020.
- Kernel-mode cheat for Counter Strike: Global Offensive, Windows driver, which reads/write from/to csgo.exe process memory and generate fake mouse click in user mode depending on game state.
2013
- Fast changed region detection, Rewrite critical image comparison code as x86/SSE/MMX assembly routine with CPU disptacher, closed source, commercial work for NoMachine S.à r.l.
2012
- Virtual Audio Card, WDM audio driver used on the bottom of remote desktop software, closed source, commercial work for NoMachine S.à r.l.
- OpenSSH Port, Working on OpenSSH port to native Windows application (without cygwin bindings), commercial work on behalf of NoMachine S.à r.l.
- Search engine / agreggator, Crawler with 400+ data sources, serving 30k+ daily active users, maintained the service for 10 years (2012-2022).
2011
- Virtual Printer, Windows port monitor used on the bottom of remote desktop software, closed source, commercial work for NoMachine S.à r.l.
2010
- DOC/XLS repair tool, Working on app to repair corrupted doc and xls files (old binary formats), closed source, commercial work for VIP International.
2009
- Hartree-Fock-Roothan (C++), Naive Hartree-Fock-Roothan implementation in C++.
2008
- Hartree-Fock-Roothan (F77), Naive Hartree-Fock-Roothan implementation in pure FORTRAN77 syntax.
- SSE2 matrix multiplication, General matrix multiplication using SSE2 written in x86-32 assembly.
2003
- Marcel II, 2D platform game written in 16-bit assembly.
2002
- SB16 driver, Legacy 16-bit DOS driver SB16 card using DMA mode, written in x86 assembly.
- MPU-401 driver, Legacy 16-bit DOS driver for MPU-401 device written in x86 assembly.
2000
- Gwiezdna bitwa, 2D shoting game written in QBASIC.
1999
- Ping-pong, Ping-pong game written in QBASIC.
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