Open Source C++ Productivity Software

C++ Productivity Software

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Browse free open source C++ Productivity Software and projects below. Use the toggles on the left to filter open source C++ Productivity Software by OS, license, language, programming language, and project status.

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  • 1
    Digital Clock 4

    Digital Clock 4

    beautiful customizable clock with plugins

    Very customizable beautiful clock. There are 2 versions exist (they may co-exist): - Digital Clock 4 - discontinued, not recommended - Digital Clock 5 - current version, replacement for Digital Clock 4 Digital Clock 4 final version is 4.7.9 Digital Clock 5 current version is 5.1.8 Nothing special is required to start using this clock. Just launch it and enjoy! When it starts, apart from the clock itself, a small tray icon appears. This tray icon can be used to call the clock configuration dialog. Also this dialog can be called using clock context menu. Sources (v5) are hosted on GitHub: https://github.com/Kolcha/DigitalClock5 You can create your own skin! See this link for details: https://sourceforge.net/p/digitalclock4/wiki/How%20to%20create%20skin/ NOTE: do NOT download any .rar or .exe files marked as my software, these files are NOT made by me and I'm not responsible for their content
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    Downloads: 1,622 This Week
    Last Update:
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  • 2
    Deskflow

    Deskflow

    Share a single keyboard and mouse between multiple computers

    Deskflow is a lightweight productivity tool designed to streamline window and workspace management. It features hotkey-driven app launching, workspace switching, window snapping, search快捷启动, and minimal UI. Built with modern frameworks (likely Electron or Qt) and geared toward power users wanting efficient workflow control.
    Downloads: 250 This Week
    Last Update:
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  • 3
    Notepad Next

    Notepad Next

    A cross-platform, reimplementation of Notepad++

    A cross-platform, reimplementation of Notepad++. Though the application overall is stable and usable, it should not be considered safe for critically important work. There are numerous bugs and half-working implementations. Pull requests are greatly appreciated. Windows packages are available as an installer or a stand-alone zip file on the release page. The installer provides additional components such as an auto-updater and Windows context menu integration.
    Downloads: 249 This Week
    Last Update:
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  • 4
    Xournal++

    Xournal++

    A handwriting notetaking software with PDF annotation support

    Xournal++ (/ˌzɚnl̟ˌplʌsˈplʌs/) is an open-source and cross-platform note-taking software that is fast, flexible, and functional. A modern rewrite and a more feature-rich version of the wonderful Xournal program. Support for pressure-sensitive stylus and drawing tablets (Wacom, Huion, XP-Pen, etc.) Robust and customizable pen, highlighter and eraser tools, allowing you to write how you want to write. Use layers to make complex notes that are still pleasant to work with. Keep track of the notes by using page previews. Add images and create various shapes, from circles to splines to axis. Snap objects to rectangular grid or degrees of rotation. Create anything from differential equations to electrical circuits or the structural formula of molecules using our built-in LaTeX editor. Customize your toolbar to create a new layout, tailor-made for you.
    Downloads: 77 This Week
    Last Update:
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  • 5
    QOwnNotes

    QOwnNotes

    QOwnNotes is a plain-text file notepad and todo-list manager

    QOwnNotes is a fully open-source markdown-focused note-taking and personal information manager that runs natively on Linux, macOS, and Windows, with a strong emphasis on plain-text storage and cross-device synchronization. Because all notes are stored as markdown files in user-controlled directories, you avoid vendor lock-in and can sync through services like Nextcloud, ownCloud, Dropbox, or Git without proprietary cloud dependency. The application is optimized for performance and minimal footprint, so it runs smoothly even with large note libraries, and it includes features like a live markdown preview panel that lets you see rendered text alongside raw markdown as you type. QOwnNotes supports hierarchical folders and tagging, making it easy to organize, filter, and retrieve information quickly, and it also integrates to-do lists and task markers directly in your notes.
    Downloads: 4 This Week
    Last Update:
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  • 6
    Souper

    Souper

    A superoptimizer for LLVM IR

    Souper is a superoptimizer for LLVM IR designed to automatically discover missed optimization opportunities within LLVM’s mid-end optimizers. By leveraging SMT (Satisfiability Modulo Theories) solvers, Souper symbolically analyzes LLVM Intermediate Representation (IR) to synthesize equivalent, more efficient expressions. It identifies peephole optimizations—small instruction-level improvements—that LLVM’s optimizer may overlook, thereby improving compiled code quality. Souper can operate in multiple modes: as a standalone analysis tool that extracts and solves SMT queries from LLVM bitcode, or as an LLVM optimization pass that applies discovered optimizations directly to the IR. It integrates seamlessly with Clang and LLVM tools and supports caching mechanisms (RAM or Redis) to accelerate repeated analyses. The system can output suggested rewrites for developers or automatically apply transformations, helping compiler engineers improve optimization passes.
    Downloads: 2 This Week
    Last Update:
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  • 7
    Notepad3

    Notepad3

    Light-weight Scintilla-based text editor with syntax highlighting

    Notepad3 is a fast and light-weight Scintilla-based text editor with syntax highlighting. Notepad3 is an excellent replacement for the default Windows text editor. Notepad3 offers many extra features over Notepad. It has a small memory footprint, but is powerful enough to handle most programming jobs.
    Downloads: 20 This Week
    Last Update:
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  • 8
    Lifeograph

    Lifeograph

    Advanced personal note taking application

    Lifeograph is a diary program to take personal notes on life. It has all essential functionality expected in a diary program and strives to have a clean and streamlined user interface.
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    Downloads: 28 This Week
    Last Update:
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  • 9
    This is an alarm clock for Windows that lives in the lives in the tray. Alarms can be configured to play music to wake you up gently.
    Downloads: 5 This Week
    Last Update:
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  • 10
    Pomodoro

    Pomodoro

    Simple to use Pomodoro timer.

    Simple to use Pomodoro timer with features like sound notification, tray icon and customizable timings. https://github.com/spikest3r/Pomodoro
    Downloads: 10 This Week
    Last Update:
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  • 11
    Intention Repeater MAX

    Intention Repeater MAX

    Repeating your Intentions to aid in manifestation

    Please see the README.txt. The ServitorConnect 4443 and Python Daemon and Intention Repeater Android are better because repeating once-per-hour is better than millions of times per second (or even 3Hz). The archive bundle includes binaries and source code for: MAX and Simple Intention Repeaters CUDA version for Windows/Linux Memory Frequency Generator Multi-Format to WAV Repeater Android app Sourcecode File/Image Writers Nesting Files Creator Prayer Wheel Spiritual Chat Tarot WiFi Broadcast Whether you're seeking to manifest abundance, enhance your spiritual journey, or promote overall well-being, Intention Repeater MAX empowers you to harness the incredible strength of intention repetition. Compatible with Windows, macOS, and Linux. Download now and experience the life-changing benefits for yourself! 🙌
    Downloads: 5 This Week
    Last Update:
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  • 12
    MultiCopyPaste

    MultiCopyPaste

    Store and organize your text data and copy/paste them with one click

    Tired of copying and pasting the text over and over? Use this software to save all the text data and access it anytime with a click of a button. You can also organize your data in different tabs. All the data can be stored in JSON format and can be accessed again once you restart the software. Binaries for platform: Windows and Linux (Coz I have these two with me)
    Downloads: 4 This Week
    Last Update:
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  • 13
    ASSA is a UNIX/Linux Object-Oriented C++ networking (BSD sockets) library and application framework based on Adaptive Communication Patterns. ASSA is designed to improve productivity of writing network-oriented client/server applications.
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    Downloads: 7 This Week
    Last Update:
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  • 14
    Prescription Tracker is a console app written in C++ to keep track of your personal prescriptions and remind you when to buy more and tell you the cost.
    Downloads: 2 This Week
    Last Update:
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  • 15
    SleepTimer

    SleepTimer

    On-screen system suspend timer

    A simple countdown timer to put the system to sleep. Similar to the Sleep function on TV sets.
    Downloads: 2 This Week
    Last Update:
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  • 16
    Alarm Clock for Windows

    Alarm Clock for Windows

    Musical, talkative Alarm Clock.

    This Alarm Clock software has ability to play mp3, wav and many other music file formats and has the exclusive option to talk each whole hour.
    Downloads: 2 This Week
    Last Update:
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  • 17
    Chrono Tasker

    Chrono Tasker

    Alarm clock, Timer and Stopwatch application

    Chrono Tasker allows the temporization of actions, both on the level of the OS and of the application itself. It is also used to manually stopwatch of some of the user’s activities, by specifying the beginning and the finish moment of the chronometration. Temporizable actions: - Running a file (program or script), of commands in Command Prompt and of actions such as turning the system off and restarting the computer, as well as returning to the login screen in Windows and logging off the current user. - Opening a document with the it’s type associated program (identified by the file extension) and of Internet addresses in the web browser. - Displaying a message; - Playing a beep or an audio file – chosen from a list or specified by the user.
    Downloads: 2 This Week
    Last Update:
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  • 18
    ShutdownIt is a shutdown tool which can shutdown, restart, logoff, hibernate your pc. It can just remind you or let you start a program. Therefor you can select a countdown timer or a special time stamp.
    Downloads: 2 This Week
    Last Update:
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  • 19
    QOwnNotes

    QOwnNotes

    Plain-text file notepad with markdown support and ownCloud integration

    QOwnNotes is the open source (GPL) plain-text file notepad with markdown support and todo list manager for GNU/Linux, Mac OS X and Windows, that (optionally) works together with the notes application of ownCloud. Please visit the project webpage for downloading QOwnNotes.
    Downloads: 1 This Week
    Last Update:
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  • 20
    Frank Nagl's Birthday Reminder is a tool, where you can save, administrate and edit birthdays. The program is located as an system tray icon. Further it remembers the user with a system tray ballon message, when birthdays are pending in the next time.
    Downloads: 1 This Week
    Last Update:
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  • 21
    HealthCarer
    A software to remind you avoiding Cervical Vertebrae problem and take care you health before you sitting beside computer It is the best software for all people working on PC
    Downloads: 1 This Week
    Last Update:
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  • 22
    Pocket Clock ist a program for Pocket PC 2002/2003 on ARM or XScale CPUs. It has 4 functions from which can be choosen in the program. It can be a normal clock and dateviewer, a countdown timer, a countup timer (displays elapsed time), and a target timer
    Downloads: 1 This Week
    Last Update:
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  • 23
    SemNotes

    SemNotes

    Semantic Note-taking tool for KDE

    SemNotes is a semantic note taking tool for KDE4, built on top of Nepomuk-KDE. The tool is still under development, but it is already usable, provided that KDE4 is installed and the Nepomuk running.
    Downloads: 1 This Week
    Last Update:
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  • 24
    Simple Timer Stopwatch

    Simple Timer Stopwatch

    A simple timer stopwatch.

    This is a simple timer stopwatch written in C++ with the Qt framework, without any extra features. A program for minimalists.
    Downloads: 1 This Week
    Last Update:
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  • 25
     rims-arduino-library

    rims-arduino-library

    Recirculation infusion mash system library for Arduino

    This library implement RIMS controls for home brewers. For definition of a RIMS, see https://tinyurl.com/j3lyuyc For me, an Arduino micro controller + a LCD Keypad shield was cheaper and a lot more customizable than a commercial PID controller. So, with this library, a commercial PID controller is unnecessary. Automatic PID tuning toolkit is also included. Temperature can be read with a thermistor, a resistance temperature detector (RTD) or any custom temperature probe. Heater is controlled with pulse-width modulation (PWM) of a solid-state relay (SSR). Documentation : https://tinyurl.com/y7579v6a
    Downloads: 0 This Week
    Last Update:
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