Learn cybersecurity by doing it β not reading about it.
Passion Project
Active Development
After-Hours
# hackersim.io
Realistic hacking simulation platform built after hours β learn cybersecurity by doing, not watching videos. Simulated Linux environment with real terminal mechanics, network topology, and CVE-based vulnerabilities β all safely sandboxed. Every scenario drawn from real incidents.
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βοΈ HACKERSIM Β· Live Hacking Simulator
π€ Stein LVL 6
$ 362,350
REP: 183
WHITE HAT
9GB T1
HACKERSIM
π»My PC
β¨οΈTerminal
πBrowser
π‘Network
π―Missions
πMarket
π¬Chat
π₯Clans
πFiles
β¨HTalk
π¬Forensics
π°News
π±Exchange
πTraining
π±Phone
πSIEM
βοΈPolice
πCTF
π₯οΈ Desktop β 18+ Applications Β· My PC Β· Terminal Β· Market Β· SIEM Β· CTF
DARK MARKET
SECURE
ALL
COMMON
RARE
EPIC
LEGENDARY
Port ScannerEPIC95% Β· LVL 3
$2500
SSH BruteRARE75% Β· LVL 2
$1500
DDoS AmpLEGEND90% Β· LVL 5
$5000
18:51
+1-555-356-913
π
π¬
π€
π
π
βοΈ
π Dark Market Β· π± In-game Phone with Apps
π home/user
γ dict_json.hpy
γ fizzbuzz.hpy
γ player_stats.hpy
γ scan_target.hpy
# Show character stats
p = me()
print("Username : " + p.username)
print("Level : " + str(p.level))
print("Currency : " + str(p.currency))
print("CPU : " + str(p.cpu))
print("RAM : " + str(p.ram))
RootWalker"only the loop survives"
NeonHackernvidia banned my region again
ShadowByteupgraded to 10gbe nic, scans fly
NeonHackerbuilt rubber ducky w/ dns exfil
π» hpy IDE (Python-flavoured) Β· π° HackerNet Live Feed
π
Ε»YWY ΕWIAT Z AI NPC
Setki unikalnych postaci NPC z wΕasnymi osobowoΕciami. Twoje wybory wpΕywajΔ
na dynamiczny ekosystem peΕen niespodzianek.
βοΈ
PRAWDZIWE MECHANIKI HACKINGU
Multi-etapowe ataki: scan β exploit β persist. Forensics, heat system, defense β jak rzeczywisty hacking, bezpieczny.
π»
PISZ PRAWDZIWY KOD
Terminal akceptuje polecenia Bash. Tworzysz skrypty w Pythonie. Automacujesz ataki, budujesz narzΔdzia, sprzedajesz graczom.
π
EDUKACJA WBUDOWANA
Kursy cybersecurity wewnΔ
trz gry. Uczysz siΔ rzeczywistych koncepcji przez aplikowanie ich bezpoΕrednio.
π°
EKONOMIA NAPΔDZANA GRACZAMI
Firmy, gieΕda, krypto, klany. Twoja ekonomia ksztaΕtowana przez inne gracze. Jeden hack moΕΌe zawaliΔ cenΔ tokena.
π
MULTIPLAYER Z KONSEKWENCJAMI
Chat, PvP, klany, raidy. KaΕΌda akcja ma ripple effect. MoΕΌesz siΔ broniΔ, zaatakowaΔ, wystawiΔ bounty.
Frontend:
ReactTypeScriptVite
TailwindCSSshadcn/uiTanStack Query
WouterLucide React
Backend:
Node.jsExpressTypeScript
WebSocket (ws)PostgreSQLDrizzle ORM
bcryptRailway
β
Support hackersim development on Ko-fi
AIPOL.com.pl
Polish IT company β AI, Security, Custom Software
Co-building as Lead Tech
Warsaw, PL
# aipol.com.pl
Co-building as lead technical person β merging cybersecurity expertise with software development and cutting-edge AI. Deliver comprehensive solutions: security audits, custom applications, SaaS platforms, and autonomous AI agent deployments.
π§¬
skanujzdrowie.pl
Online cancer tests β partnership with Novazym laboratory
Building
Novazym Lab
MedTech
# skanujzdrowie.pl
E-commerce platform for cancer diagnostic testing in partnership with Novazym laboratory. Users order tests online, collect samples at home or collection points, and receive results securely through encrypted dashboard.
PythonFlaskSQL
Stripe / Przelewy24ShoperRODOHL7/FHIR
βοΈ
Hearthmark
Browser MMO Β· Harsh Medieval World
In Production
Browser MMO
Card Combat
Passion Project
# Hearthmark β Harsh Medieval World
Browser MMO where players start from zero β chop trees, farm land, learn crafts, build settlements on a shared, living world. Card-based combat with initiative points, not simple clicking. Play Hearthmark β
π
Card Combat
Tactics matter. Every encounter with wolf, bear, or player requires strategy, hand management, and reading your opponent.
βοΈ
Material Quality
Three axes: Substrate, Essence, Vitality cascade through crafting β wood quality affects tool quality, which affects final product value.
ποΈ
Settlements & Alliances
Villages with rank hierarchies. Alliances, shared projects, competition for resources shape emergent player-driven politics.
π―οΈ
Altars & Oaths
Sacrifice at ancestor altars and swear oaths for bonuses at cost of constraints. Every choice has real price.
Frontend:
Vanilla JavaScriptHTML5Canvas
WebAudio API
Backend:
Node.jsWebSocket (ws)PostgreSQL
DockerFly.io
π
Open Source β Free Solutions to Real Problems
Tools released free for everyone β solving issues that usually require paid software or complex setup.
One audio source, two headphones β share sound instantly without hardware splitters or complex setup.
Open Source
Free Forever
Live Demo
# 1audio2headphones
Solves a problem that's surprisingly hard otherwise β synchronized audio playback across two pairs of headphones from one device. No hardware splitters (which cause volume drops), no Bluetooth pairing dances, no driver hacks. Just open in browser, plug both headphones, share the sound. Released free as alternative to paid audio routing software costing $30-100. Try it live β
JavaScriptWeb Audio APIHTML5
CSS3GitHub Pages
β
Buy me a coffee β keep tools like this free
Free Windows diagnostics β replaces $30-50/year "PC optimizers" with honest open-source tooling.
Open Source
No Bloatware
Free Forever
# FreeSystemDoctor
Full Windows diagnostic and repair toolkit β built specifically as alternative to predatory "PC cleaner" software (CCleaner Pro, IObit, Restoro) that charge subscriptions for things Windows already does free. Scans hardware health, performance bottlenecks, system integrity, registry issues, and security vulnerabilities. No subscriptions, no upsells, no false alarms inflating "issues count" to scare users into paying. Honest open-source code anyone can audit. View on GitHub β
PowerShellPythonWindows API
WMIRegistryOpen Source
β
Donate on Ko-fi β fight predatory PC cleaner industry