Programmation C++ Jobs

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# MMORPG Game Client Reverse Engineering - Anti-Cheat Bypass ## Project Description We operate a private server for an MMORPG game. The game client is written in C++ (Win32, DirectX 9, x86) and uses XignCode3 as its anti-cheat system. We have a complete C++ GameServer and a custom Launcher. We need a reverse engineer to update our existing client hook DLL to work with the current game client version. The anti-cheat addresses have changed in the latest client update, and our hook DLL needs to be updated accordingly. This is for private server development, not cheating on official servers. ## What We Need 1. Analyze the current game client EXE using IDA Pro with Hex-Rays decompiler 2. Find all XignCode3 bypass addresses in the new client (LoadLibrary calls, init functions, timer callba...

I need a production-ready server dedicated to cryptocurrency trading that can seamlessly integrate with the Binance, Coinbase, and Kraken APIs. The core of the project is to centralize market data from those exchanges, analyse it in real time, execute strategies through automated bots, and allow end-users to open and manage their own trading accounts on the system. Key capabilities I expect: • Real-time data analysis: low-latency collection, cleansing and aggregation of tick-level data, plus the ability to run custom analytics or indicators on it. • Automated trading bots: strategy engine that can place, modify, and cancel orders on any of the three exchanges, with configurable risk parameters. • User account management: secure registration, role-based access, API-key...

I manage about 700 separate Facebook accounts, each isolated in its own Chrome profile on a single Windows PC. I need a streamlined way to pull the full cookie set from every profile. I found a chrome extension, but i don´t want to install the extension 700 times. i can not login with other browser / automaticly with email/password, because then the accounts get blocked (or i need to solve a captcha) I´m searching in the web and someone told me, that it can work this way: - Create a website with a code - Only visit the website with the profiles - The cookies will export automaticly Is that possible / working ?

is moving into its fourth major iteration and I’m ready to turn our vision of a decentralized NVIDIA H100 “super-cluster” into production reality. The system will let independent operators spin up GPU nodes, pool them into a single compute mesh, and have workloads automatically routed to whichever marketplace is paying the best rate at that moment. My current stack direction is Python for the core services and Kubernetes to orchestrate the GPU containers across diverse hosts. You’ll be shaping a high-performance, fault-tolerant backend that can scale from dozens to thousands of nodes without manual babysitting. Phase 1 focuses on three cornerstone capabilities: • Automated workload distribution – smart scheduling that assigns jobs to the right GPU in ...

I’m putting together a brand-new game in Unreal Engine and need an experienced developer to help me take it from concept to a polished PC release. The core responsibilities will revolve around building gameplay systems, integrating assets, and packaging stable Windows builds. I already have a general vision and art direction; what I’m missing is the technical expertise to transform those ideas into a smooth, responsive experience. You should be fully comfortable with Unreal Engine (Blueprints and/or C++), know your way around performance optimisation for desktop hardware, and be able to advise on best practices for input handling, networking, and QA workflows. While the immediate target is PC, I’d like to keep the architecture flexible enough that we could consider conso...

I need my existing C++-based IPP server application adjusted so that, when a printer is installed on Windows 11, the operating system automatically selects an IPP (TCP/IP) port rather than falling back to WSD. The existing code is based on PWG IPPSample, which can be accessed here: The core code already works well, so the goal is a focused refactor: • Keep everything that is in place today—our custom authentication methods, detailed logging/diagnostics, and current error-handling flow must remain untouched in both behaviour and structure. • Introduce the logic (or, if necessary, the correct service advertising tweaks) that convinces Windows 11 to register the device on an IPP-based Standard TCP/IP port. Acceptance criteria 1. After installation or discovery on ...

# MMORPG Game Client Reverse Engineering - Anti-Cheat Bypass ## Project Description We operate a private server for an MMORPG game. The game client is written in C++ (Win32, DirectX 9, x86) and uses XignCode3 as its anti-cheat system. We have a complete C++ GameServer and a custom Launcher. We need a reverse engineer to update our existing client hook DLL to work with the current game client version. The anti-cheat addresses have changed in the latest client update, and our hook DLL needs to be updated accordingly. This is for private server development, not cheating on official servers. ## What We Need 1. Analyze the current game client EXE using IDA Pro with Hex-Rays decompiler 2. Find all XignCode3 bypass addresses in the new client (LoadLibrary calls, init functions, timer callba...

I need a small utility that can open multiple PowerPoint (.pptx) files and pull out only the slide body content—no titles, no notes. All extracted text should be written to a single plain-text (.txt) file. Within that file I want the text grouped by "Hymn Number" "title" “verse number” "Verse content" etc exactly as specified, so each new verse is clearly delineated before the next block begins. Feel free to use Python (python-pptx, COM automation, or similar) or any other language that gives me a repeatable, one-click workflow on Windows. The tool should: • Accept a folder of presentations or allow drag-and-drop of individual files • Parse every slide, capture the body text in reading order • Write the result to the outp...

QuantConnect / LEAN Python Algo Trading Developer (IBKR) We are looking for an experienced algorithmic trading developer to build and optimize trading strategies for US stocks and ETFs using QuantConnect (LEAN) and Interactive Brokers (IBKR API). This is a hands-on development role focused on implementing and deploying systematic trading strategies. Scope of work Develop algorithmic trading strategies in Python (QuantConnect / LEAN) Backtesting and performance optimization Integrate strategies with Interactive Brokers (IBKR) Implement risk management and position sizing logic Work with historical and live market data Deploy and maintain strategies in live trading environment Analyze performance (PnL, Sharpe, drawdown) Requirements Proven experience in algorithmic trading / quan...

I need a compact, custom gateway that sits between an existing VAX / OpenVMS host (running DECnet Phase IV) and modern Windows-based SCADA software that only understands raw TCP frames. The current middleware is read-only; this replacement must provide full bidirectional READ and WRITE capability so I can both monitor and issue control commands in real time. Key requirements • Hardware: x86-class embedded Linux controller (Debian or Yocto are fine as long as the kernel exposes raw sockets). • Protocol handling: native DECnet Phase IV on one side; raw TCP frames on user-defined port numbers on the other. In addition, it should expose an OPC UA/DA endpoint for external clients that prefer that interface. • Data scope: “Real Time Data monitoring and control” ...

I’m putting together a brand-new game in Unreal Engine and need an experienced developer to help me take it from concept to a polished PC release. The core responsibilities will revolve around building gameplay systems, integrating assets, and packaging stable Windows builds. I already have a general vision and art direction; what I’m missing is the technical expertise to transform those ideas into a smooth, responsive experience. You should be fully comfortable with Unreal Engine (Blueprints and/or C++), know your way around performance optimisation for desktop hardware, and be able to advise on best practices for input handling, networking, and QA workflows. While the immediate target is PC, I’d like to keep the architecture flexible enough that we could consider conso...

I'm looking for an experienced programmer to create a custom plugin/mod for the upcoming Spellbound SMP. All details for the plugin can be found in the document below. On this SMP, I'd like the first hostile mob a player kills to grant that player a buff, based on the mob in question. This assigned buff can only be reversed via use of a Reset Star, the recipe for which is also found in my doc. Our budget to start is $100, although a larger price is negotiable. I've wanted to do this for a very long time, and it'd mean a lot to me and my community if you can help me with it. It should go without saying that you'll be fully credited for your work in the descriptions of all my videos, and if you'd like to join the SMP once this is done, you can. I'd prefe...

A critical bug has surfaced in one of the open-source tools that underpins our daily workflow, and I need a sharp set of eyes to track it down and squash it. The issue manifests as an unexpected crash during routine operations; logs point to a memory-handling fault, but the exact trigger remains elusive. Here’s the flow I have in mind: • Reproduce the bug on your local environment so we can confirm we’re seeing the same failure. • Trace the root cause—code review, breakpoints, anything that helps narrow the faulty module. • Craft a clean, well-commented patch that follows the project’s contribution guidelines. • Prove the fix: unit tests, regression checks, and a short write-up on how the solution eliminates the crash without side effects....

The goal is to build a proof-of-concept that embeds additional image data inside the JPEG photographs captured by my drones, using the classic Least Significant Bit (LSB) method. Once hidden, the pictures travel through a FANET where each UAV joins a lightweight consensus round to decide which unit forwards the package to the ground station. By the time the file reaches the base, I want to be able to demonstrate that the payload is intact, immutable, and directly traceable to the specific drone that collected it. Core expectations • A clean, well-commented module that hides and later extracts image-based payloads inside JPEG frames via LSB or other types required. • A simple simulation (or lightweight real-world test) showing at least two drones/nodes running a consensus rou...

I’m updating the firmware for an STM32-based design and need an experienced C++ developer who is comfortable inside STM32CubeIDE. The codebase already compiles and runs on the microcontroller, but several features still require clean, well-structured implementation, performance tuning and thorough testing directly on the hardware. You’ll be working exclusively with STM32 microcontrollers; no FPGA or other targets are involved. Please be ready to pull the current CubeIDE project from my repository, build it as-is, and then extend it in C++17 (or later) while respecting the existing HAL layer and project structure. Deliverables • Updated CubeIDE project with the new or fixed functionality fully integrated • Clear build instructions and a short change log so I can ...

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I need a lightweight “XL Word Pad” application whose main strength is document formatting, with special emphasis on flexible page-layout controls. The key capability I’m after is rock-solid support for column layouts—think easy switching between single-, double-, or custom multi-column views, with adjustable widths that hold their shape when the file is saved, reopened, or exported. The core workflow should feel as familiar as a basic WordPad, yet expose dedicated layout settings right on the toolbar or in a side-pane so I can set column count, spacing, and individual column width without digging through menus. If you prefer to build in C#, WPF, Electron, or another rapid UI framework, I’m open, as long as startup time stays snappy and the finished editor run...

I need a developer to create a patch that will allow Microsoft PhotoDraw v.2 to run on Windows 10. The program currently does not open at all on this OS. Requirements: - Experience with Windows application compatibility - Knowledge of legacy software and Windows APIs - Proficiency in programming languages such as C++ or C# Ideal Skills and Experience: - Familiarity with Microsoft PhotoDraw or similar graphic design software - Previous experience creating patches or compatibility layers for older software - Strong problem-solving skills and attention to detail Please provide examples of similar work done.

Project Description: I am looking for an experienced full-stack developer (preferably with blockchain/DeFi knowledge) to create a high-quality, modern cryptocurrency price oracle scanner and monitoring platform, closely inspired by — specifically the "BTC Oracle Scanner" tool. This site is not a full publishing oracle like Chainlink or Pyth (i.e., it does not need to push data on-chain initially), but rather a powerful real-time monitoring, deviation detection, latency tracking, and anomaly alerting dashboard that compares BTC/USD (and potentially other assets) prices across multiple sources: CEXs, oracles, DEXs, and wrapped/bridge tokens. Core Goal & Inspiration Replicate and improve upon the functionality of : Real-time BTC/USD price pulling and comparison every few...

PROJECT DOCUMENT Discord Bot for Multi-Brand Clipping Campaign Management 1. Project Overview We need a Discord bot to manage and track multiple brand clipping campaigns simultaneously. Clippers will submit promotional logo videos posted on: Instagram TikTok YouTube X (Twitter) The bot must: Track views automatically every 3 hours Calculate earnings based on configurable CPM Support multiple active campaigns at once Provide leaderboards and stats Export campaign reports to Excel Store USDT wallet addresses (manual payout only) Expected volume: 8,000–10,000 submissions per month Database: SQLite 2. Campaign System The bot must support multiple campaigns running at the same time (different brands). Campaign Fields Each campaign must include: Campaign Name Brand Name...

I'm seeking an experienced programmer to create a Windows-compatible software tool for automating exam registrations. This tool will be used to register for a large number of exams and will require user authentication, but only for admin users. Key Requirements: - Windows compatibility - Automation of mass exam registrations - Admin authentication for software access Ideal Skills & Experience: - Proficiency in Windows software development - Experience with automation tools and scripts - Knowledge of secure authentication protocols Please provide examples of similar work and an estimated timeline for completion.

I need a Deriv-compatible bot that will take over my forex trades completely and run a clean, rules-based trend-following strategy. The goal is full automation: from scanning currency pairs on Deriv through to order execution, position management, and trade closure, all without manual intervention. Key points to hit • Strategy logic: simple, robust trend-following rules which i will convey to you • Market scope: any forex asset, metals, crypto, indices etc. • Platform: it must run on Deriv’s DBot/Binary Bot framework or via their API, so please factor in Deriv-specific blocks, syntax, and authentication. • Risk controls: configurable lot size, max simultaneous trades, dynamic stop-loss and take-profit tied to ATR or percentage of price. • Output: the...

I’m currently working through the “BCA topic” section of my Bachelor of Computer Applications course and have reached the data-structure unit that falls under the Programming Languages module. Everything is being assessed in C++, and I need focused help turning theory into clean, working code. What I’m looking for is straight-to-the-point guidance that covers the core ideas behind each structure and then shows how to implement, test, and analyse them in modern C++. I learn fastest when I can read well-commented source, step through it, and ask a couple of follow-up questions afterward, so please be comfortable explaining your choices as you code. Deliverables (all discrete): • C++ source and header files that compile with g++ 11 or later • In-code or a...

I already have an n8n-powered AI video automation workflow that uploads to YouTube via the V3 API and pulls data from Google Sheets. I need someone to tighten up this flow so every piece works smoothly and is easy to maintain. Here is what I want done: • Trace and repair any broken or missing links inside the existing YouTube V3 upload routine, iits already Google Sheets connections,n8nconnection • Refine the current VidIQ-style logic so keyword selection, tagging, and timing rules trigger . • link UI/UX (design files are ready). When you finish, hand me a Google Sheets guide that walks through setting configuration and prompt, screenshots ,video [Mandatory] tell me your portfolio related to this task. and Tell me price and timeline.

More details: What specific features do you want in the cheat? Aimbot, ESP (Extra Sensory Perception), More features like every panel Which additional features, similar to other cheat panels, would you like included? This question was skipped by the user How would you like to activate or control the cheats? External application

I'm seeking an experienced Roblox developer to create an action game with both PvE and PvP elements.

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I’m looking for help building a small FFmpeg-based workflow focused purely on video processing vision

I am commissioning a brand-new desktop application that must run natively on Windows. This is a pure software-development project—no web or mobile versions are required—so everything from the architecture through packaging should be tailored for a Windows environment. Scope • Translate my functional requirements (to be shared after NDA) into a clear technical design. • Build the application, incorporating a responsive UI, solid error handling, and efficient performance. • Package it with an installer that works on current Windows releases. • Provide full source code, build instructions, and brief user documentation. You are free to suggest the most suitable tech stack—C#/.NET, C++/Qt, Electron, or another Windows-friendly framework—so l...

I am commissioning a brand-new desktop application that must run natively on Windows. This is a pure software-development project—no web or mobile versions are required—so everything from the architecture through packaging should be tailored for a Windows environment. Scope • Translate my functional requirements (to be shared after NDA) into a clear technical design. • Build the application, incorporating a responsive UI, solid error handling, and efficient performance. • Package it with an installer that works on current Windows releases. • Provide full source code, build instructions, and brief user documentation. You are free to suggest the most suitable tech stack—C#/.NET, C++/Qt, Electron, or another Windows-friendly framework—so l...

I need a straightforward software application that runs natively on Linux and serves as a dedicated utility tool. The core idea is already outlined on my side; once we agree to work together, I will share a concise feature list and expected workflows. Here is what matters most to me: • Clean, dependable code that compiles without hassle on common Linux distributions. • A minimal-footprint executable plus the full, well-commented source. • Clear build instructions (Makefile, CMake, or an equivalent shell script). • A short README so I can install, run, and troubleshoot the tool on my own. Any modern language that is well supported on Linux—C, C++, Rust, Go, or Python—is fine, so choose whichever lets you deliver a robust result quickly. If you l...

I need you to make me a secret like input sense you have to reverse app to edit NBA 2k26 I want the name to be Vale Secret Requirements No Titan, Zen, or capture card needed. You only need: A PC 2 Ethernet cables USB-to-Ethernet adapter Note: If you are on a laptop with no ethernet port, you will need two USB-to-Ethernet adapters. the cheat runs through the Ethernet cable to your console it doesn't operate like a traditional script and works directly through network packets, not input emulation. 1) Network manipulation (lag switch idea) These tools sit between your console and the internet (PC + Ethernet) and: • delay packets • drop certain packets • resend them at controlled times Result: • other players appear frozen or delayed • your console keeps enough co...

I’m working with the code in and need the existing, partly-finished client transformed into a dependable, everyday IRC application with a modern graphical interface. What I have • A Qt-based proof-of-concept that already connects and exchanges messages but lacks polish, persistence, and packaging. What I need • A clean, stable GUI that feels at home on today’s desktops (Qt 5/6 widgets or Qt Quick are both fine). • Core IRC features you’d expect in a daily driver: multiple server tabs, channel list, nickname management, auto reconnect • Quality-of-life touches such as tray or dock icon notifications, chat history saved per channel, and a preferences dialog where I can toggle logging, notifications, and theme. Acceptance I’ll consid...

I have a Gmail account where many incoming messages show only my own address in the “To” field, yet I know the sender included additional recipients. I want a reliable way to uncover every hidden address those messages actually reached—across my whole mailbox, not just one or two samples—and export them for later use. Here’s exactly what I need: • A repeat-able solution that scans all selected emails in my Gmail inbox and programmatically pulls every address found in the full header (including any Bcc or undisclosed recipients Google preserves). • Output as a clean, deduplicated list—CSV or plain text is fine. • The process must work on Windows-based machines; I use Windows 10. If you prefer a small cloud utility or a local Python/P...

I am developing a Cabal Online Private MMORPG (EP 35 +). The system works through .so library injection into the game server process, and includes: Advanced C++ development Memory hooks and offset manipulation Packet interception and handling (C2S / S2C) Internal game structure interaction Modular plugin system JSON-based configuration Linux-based deployment I am looking for an experienced developer to help expand, stabilize, and improve this system. - Technical Requirements Strong C++ (advanced level); Linux development experience; Memory manipulation (pointers, offsets); Hooking / detours; Reverse engineering knowledge; Networking and protocol understanding; Advanced debugging skills; Nice to have: Experience with MMO private servers; Familiarity with Cabal, MU Online, Ragnarok, o...

My character FBX plays perfectly in DCC tools, yet inside my C-based custom engine every animation explodes—bones shoot off, limbs scale unpredictably and the mesh tears apart. The issue is clearly in the way my engine parses or applies the skeleton data, not in the source file itself. Here’s what you’ll walk into • A lean, self-written renderer and animation module (C, OpenGL, Assimp + limited FBX-SDK calls). • One rigged character with walk, run and idle clips that demonstrate the incorrect bone transformations as soon as they are loaded. • A reproducible test scene and a build pipeline that compiles in seconds on Windows. What I need from you 1. Pinpoint why the bone matrices are wrong—be it incorrect bind-pose extraction, wrong matrix or...

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I want a single, turnkey application that watches my CCTV feeds, spots shop-lifters in real time, recognises grocery products on the shelves, and keeps a live head-count of customers. The core model must be YOLO, and I need the exact same code-base to compile and run on both Windows (desktop with NVIDIA GPU) and a Raspberry Pi 4. Video sources vary—some cameras stream RTSP over IP while a few older analog units reach the NVR through a capture card—so the program has to accept either type without manual re-configuration. For product recognition I care only about groceries; no clothing or electronics labelling is necessary. The model should be trained (or fine-tuned) on the most common supermarket items so false positives stay low even when shelves are crowded. Key expecta...

Tôi đang làm việc với Amibroker và cần hiển thị một đường trend line tăng trên đồ thị giá. Đường này phải bám theo các đỉnh đang cao dần và tự cập nhật khi có dữ liệu mới. Bên cạnh đó, tôi muốn thấy rõ các mức hỗ trợ và kháng cự ngay trên cùng biểu đồ để thuận tiện đánh giá điểm vào – ra. Kết quả tôi mong đợi: • Đường trend line tăng hiển thị chính xác, tự động cập nhật. • Các mức hỗ trợ và kháng cự được vẽ rõ ràng, có thể bật / tắt tùy ý. • Hướng dẫn cấu hình hoặc mã AFL kèm giải thích đủ để tôi chỉnh sửa tha...

I’d like to turn my stock-market ideas into an AIML pattern–driven trading bot that can watch live prices, analyse them on the fly, and place orders automatically while staying within clear risk limits. The core logic must be written around AIML so that trading rules can be updated simply by editing or adding patterns rather than rewriting code. Scope • Data feed & brokerage connection: connect to reliable real-time stock quotes and an API that allows live order execution. • AIML engine: ingest my pattern files, match market conditions, and trigger buy/sell signals. • Strategy design: please propose robust, back-testable strategies suitable for liquid equities; optimisation and walk-forward testing are expected. • Risk layer: position sizing, st...

Box for 70000 tunnels with PCI transaction in process. View to process in command line. Sertificates installed. Cheap setup. Fast installation. Connections documented. Drop and go for dedicated box setup. Url for inbound and outbound transactions. User and pw. Tunnelling opponent access only. Four certs. Install included.

Greetings! In need of an Unreal Engine developer who can help us push our prototype across the finish line in time for Steam NextFest submission and funding rounds. The game; think Heavy Metal co-op based PVE bot action on other planets with old school inspirations from SWG and MechWarrior! We're looking for someone experienced with both C++ and Blueprint visual scripting who can help optimize systems, implement features, and polish our prototype for public testing. A key part of this work will involve converting Blueprint functionality to C++ for performance optimization. Experience with multiplayer, specifically co-op PVE mechanics, lobby systems, would be a major plus for certain functionality we're implementing. We currently have one other developer (aside from me) on the ...

I'm seeking an experienced C++ developer to write a patch for an old Windows 98/XP game to make it stable on Windows 10. The game currently crashes or freezes during gameplay, seemingly at random after playing for a while. The game is designed for 32bit, not 16, so it should probably be a bit easier. But I have very little knowledge of coding Requirements: - Expertise in C++ - Experience with legacy software and Windows compatibility issues - Ability to diagnose and fix crashes in games Ideal Skills: - Game development background - Familiarity with Windows 10 internals - Strong debugging skills

I need two songs snipped and merged for a high school assembly backing track. The original songs are in YouTube video format. Requirements: - Snip two songs and merge them - Use fade in/out transitions - Adjust volume levels to be the same Ideal Skills and Experience: - Experience with audio editing - Proficiency in handling YouTube audio extraction - Familiarity with transitions and volume adjustments

Looking for Experienced Metin2 Developers (C++ / Python) – Paid Project Hi, I’m looking for 1–2 experienced Metin2 developers for a long-term paid project. Project: Custom Metin2 private server with unique systems (runes, custom drops, balance changes, PvE/PvP improvements). The goal is to build a stable, long-term server, not a quick copy-paste project. Requirements: Proven experience with Metin2 server core (C++) Experience with Metin2 client modifications (Python/UI) Ability to create custom systems (e.g. rune system, special bonuses, dungeon mechanics, drop systems) Bug fixing, optimization, performance improvements Good communication and reliability Nice to have: Previous work on known Metin2 private servers Experience with server security / basic anti-che...

I need an end-to-end deep-learning model that can pick out identical human faces across images and video in real time. The core requirements are straightforward: • Detect every human face in an image or live stream, draw accurate bounding boxes, then compare each face against a gallery to decide whether it is an identical match. • Serve three environments without extra rewrites: security-grade CCTV feeds, social-media style mobile uploads, and large photo-management archives. • Deliver low latency on a single modern GPU while still running acceptably on CPU-only hardware for lightweight deployments. I’m comfortable with either PyTorch or TensorFlow/Keras; use the framework you know best. A pre-trained backbone such as ResNet, MobileNet, or Vision Transformer is...

I will hand you the current Worldbox assemblies (, , ) together with either or NeoModLoader.dll. Using those files as a base, I need a self-contained fantasy-themed mod that drops straight into the mod-loader folder and runs without errors. Scope of the build • New game mechanics: a deeper combat system, a working resource-gathering loop, and periodic world events that can reshape kingdoms. • Additional fantasy characters and items that integrate with the above mechanics and respect Worldbox’s art style and balance. Once I give you the source pack you’ll have seven calendar days to deliver. After we talk through final details I expect a single fixed price for this sprint; no hourly or “starting from” figures. Deliverables (all required for project ...

I am looking forward a trainer who has deep experience in C programming, and train me with all function types remotely, and also help wirh real time project examples

I want a lightweight Windows executable that lets me write free-hand over anything displayed on the screen so I can illustrate points live during my lessons. The goal is strictly educational and the main users will be fellow teachers who need to annotate slides, webpages or videos without juggling complicated apps. Core expectations • Launches from a single .exe and overlays a transparent canvas on top of the current screen. • Smooth pen, highlighter and eraser with adjustable colours and stroke widths. • Quick shortcuts to hide/show ink or clear the canvas while keeping the underlying content intact. • Option to save a screenshot of the annotated screen for later sharing. I’m open to your suggestions on extra classroom-friendly touches—perhaps s...