Showing 239 open source projects for "system 1"

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  • PRTG Catches Network Issues Before They Cause Downtime Icon
    PRTG Catches Network Issues Before They Cause Downtime

    Threshold-based alerts flag problems early, so your team can act before users notice, not after.

    Reactive troubleshooting usually means hearing about a problem from frustrated users, not your monitoring tool. PRTG sets threshold-based alerts across devices, servers and applications, notifying your team by email, SMS or push the moment a metric crosses a set limit. That means catching a failing disk or overloaded server before it becomes an outage and getting time back from firefighting. Start a free trial and set your first alerts today.
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    Demo Series - Small Business Backup By Veeam

    Learn how to protect your Microsoft 365 data, with simple, actionable tips today.

    Watch this on-demand demo series and learn how to protect your Microsoft 365 data with clear, simple, actionable steps that are easy to implement for businesses of all sizes.
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  • 1
    System Design Interview

    System Design Interview

    Notes of the book System Desgin Interview - An Insider's Guide

    System Design Interview is a study repository based on the System Design Interview books, Volume 1 and Volume 2. It organizes notes on core system design concepts and common interview-style architecture problems. The material covers topics such as scaling from zero to millions of users, back-of-the-envelope estimation, rate limiters, consistent hashing, key-value stores, unique ID generators, URL shorteners, and web crawlers.
    Downloads: 2 This Week
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  • 2
    Stellarium

    Stellarium

    GPL software which renders realistic skies in real time

    Stellarium is a free GPL software which renders realistic skies in real time with OpenGL. It is available for Linux/Unix, Windows and macOS. With Stellarium, you really see what you can see with your eyes, binoculars or a small telescope. Stellarium is a free open source planetarium for your computer. It shows a realistic sky in 3D, just like what you see with the naked eye, binoculars or a telescope. Plugin system adding artifical satellites, ocular simulation, telescope control and more....
    Downloads: 28 This Week
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  • 3
    Pro Git

    Pro Git

    Pro Git 2nd Edition

    Welcome to the second edition of the Pro Git book. The entire Pro Git book, written by Scott Chacon and Ben Straub and published by Apress, is available here. All content is licensed under the Creative Commons Attribution Non Commercial Share Alike 3.0 license. Print versions of the book are available on Amazon.com. What is “version control”, and why should you care? Version control is a system that records changes to a file or set of files over time so that you can recall specific versions...
    Downloads: 5 This Week
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  • 4
    Interviews

    Interviews

    Comprehensive computer science and interview preparation guide

    ...Created by Kevin Naughton Jr., the project compiles detailed notes, explanations, and code implementations that cover core areas tested in software engineering interviews. The repository emphasizes topics such as data structures, algorithms, system design, operating systems, databases, and networking. It also includes practical coding examples and solutions that demonstrate how to approach and solve common problems asked at companies like Google, Amazon, Facebook, and Microsoft. By consolidating essential knowledge in one place, the project helps learners efficiently review concepts and practice effectively for interviews.
    Downloads: 1 This Week
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  • Build Agents and Models on One Platform Icon
    Build Agents and Models on One Platform

    Everything you need to build production-ready agents and models. Access 200+ Google and third-party AI models and tools.

    Gemini Enterprise Agent Platform is Google Cloud's comprehensive platform for developers to build, scale, govern, and optimize agents and models. Choose from Google's most advanced models and third-party models like Anthropic's Claude Model Family.
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  • 5
    Monolog

    Monolog

    Sends logs to files, sockets, inboxes, databases and web services

    Monolog sends your logs to files, sockets, inboxes, databases and various web services. See the complete list of handlers below. Special handlers allow you to build advanced logging strategies. This library implements the PSR-3 interface that you can type-hint against in your own libraries to keep a maximum of interoperability. You can also use it in your applications to make sure you can always use another compatible logger at a later time. As of 1.11.0 Monolog public APIs will also accept...
    Downloads: 0 This Week
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  • 6
    Coding Interview University

    Coding Interview University

    A complete computer science study plan to become a software engineer

    Coding Interview University is a multi-month self-study plan that grew from a short personal to-do list into a comprehensive roadmap for preparing technical interviews at large software companies. The author used this plan to transition into a Software Development Engineer role at Amazon and emphasizes that most learners will not need to study as many hours to succeed. The repository focuses on practical readiness over memorization, guiding you to learn core computer science topics to about...
    Downloads: 0 This Week
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  • 7
    Edupro School Management System

    Edupro School Management System

    All-In-One Modern School Software

    Edupro School Management System is an all-in-one, integrated platform designed to streamline school operations and enhance digital learning. Built on powerful open-source technologies—Moodle for Learning Management, Gibbon for Student Information Management, and custom-developed features—it provides a seamless experience for administrators, teachers, students, and parents.
    Downloads: 15 This Week
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  • 8
    ThingPulse ESP8266 Weather Station

    ThingPulse ESP8266 Weather Station

    ESP8266 Weather Station library supporting OpenWeatherMap

    This code works best with the NodeMCU V2 ESP8266 module and an 0.96" OLED display. To get you up and running in no time we created a kit that contains all the necessary parts. By buying this and other kits from us you are funding the maintenance and development of this library. Make sure you use a version of the Arduino IDE which is supported by the ESP8266 platform. If you are using the PlatformIO environment for building, choose one of the available IDE integration or the Atom-based IDE,...
    Downloads: 1 This Week
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  • 9
    Science Olympiad Scoring System

    Science Olympiad Scoring System

    Excel based scoring system for Science Olympiad tournaments

    This is an Excel based scoring system for use at Science Olympiad tournaments. Versions have been in use since 2002 at tournaments all over the country. It is free for non-commercial use and modification. Please submit any bug reports or feature requests by emailing the author at the address listed on the Startup page in the workbook. Click on the green button above to download the current Div C version, or on the files link to get the Div B version (be sure to save to disk first, then...
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    Downloads: 3 This Week
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  • MongoDB Atlas runs apps anywhere Icon
    MongoDB Atlas runs apps anywhere

    Deploy in 115+ regions with the modern database for every enterprise.

    MongoDB Atlas gives you the freedom to build and run modern applications anywhere—across AWS, Azure, and Google Cloud. With global availability in over 115 regions, Atlas lets you deploy close to your users, meet compliance needs, and scale with confidence across any geography.
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  • 10
    ChordSmith

    ChordSmith

    ChordPro editor that can display, transpose and print song sheets.

    ChordSmith is a ChordPro editor that can display, transpose and print song sheets containing chords and lyrics. It can also edit and convert song sheet formats between ChordPro format (chords in square brackets in line with lyrics) and two-line format (chords above lyrics). You can find many free sources of song sheets in both formats on the Internet. More information at https://chordsmith.sourceforge.io/ Here are just a few of ChordSmith's many features:
    Downloads: 153 This Week
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  • 11
    Jmol

    Jmol

    An interactive viewer for three-dimensional chemical structures.

    Over 1,000,000 page views per month. Jmol/JSmol is a molecular viewer for 3D chemical structures that runs in four independent modes: an HTML5-only web application utilizing jQuery, a Java applet, a stand-alone Java program (Jmol.jar), and a "headless" server-side component (JmolData.jar). Jmol can read many file types, including PDB, CIF, SDF, MOL, PyMOL PSE files, and Spartan files, as well as output from Gaussian, GAMESS, MOPAC, VASP, CRYSTAL, CASTEP, QuantumEspresso, VMD, and many other...
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    Downloads: 1,082 This Week
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  • 12

    FET_EDIT_PRINT_MOROCCO

    Advanced editor and printer for FET timetables.

    .... ====== An advanced web application for viewing, editing, and printing timetables created by the FET program, with enhanced features customized for official FET versions and the Moroccan system (morning-afternoon). Available in three languages: French, Arabic, and English. Version V1.4.3— Septembre 2026 ✨ What's new In the unplanned sessions panel, each level now folds with one click and shows how many sessions it holds — no more scrolling to reach a card. In batch printing, the corner of the table shows the sheet's total hours instead of the “Day/Hour” reminder, including in the Morning/Afternoon PDF,
    Downloads: 102 This Week
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  • 13
    RosarioSIS

    RosarioSIS

    Student Information System for school management and communication

    Free Student Information System designed for school management. Modules included: - School Setup - Students (demographics, contacts...) - Grades - Scheduling - Eligibility - Attendance - Accounting - Student Billing - Discipline - Food Service Add-ons like Messaging, Email, Import tools, Quiz, Library modules and much more are available. Manage your school in one web-application powered by PHP/SQL (MySQL or PostgreSQL).
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    Downloads: 21 This Week
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  • 14
    MGB OpenSource Guestbook
    MGB is a free OpenSource Guestbook completely written in PHP, using JavaScript and a MySQL Database. Easy to use, flexible and customizable with templates to make it fit 100% to your homepage.
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    Downloads: 8 This Week
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  • 15
    clavirio

    clavirio

    Learn touch typing without leaving the terminal

    A free, open-source typing tutor for the terminal. Progressive lessons, practice modes, real-time stats, and a virtual keyboard with finger hints — for QWERTY, Dvorak, and Colemak. Methodology Research on typing skill suggests that skilled typing relies more on implicit procedural control than on explicit knowledge of key locations. The paper also suggests that the keyboard is represented in terms of its row-and-column structure, not as a memorized list of individual...
    Downloads: 9 This Week
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  • 16
    Flashcard App

    Flashcard App

    This is an app that will help you learn and prosper in any subject!

    A lightweight but effective Flashcard based learning app to study and memorize using a reward system, built using python and the customtkinter library. Here you can create flashcards and quiz yourself on any topic you like, save the flashcards for later use or simply import one with the correct format. Give yourself hints, earn points and have fun! Play quiz with your friends see who gets the most points. Here almost anything is customizable.
    Downloads: 0 This Week
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  • 17
    SLiMS Library Management System

    SLiMS Library Management System

    Free & Open Community Edition Server in a Complete Virtual Machine

    This VM is created for 2 reasons: 1. Very little initial setup work required to make a Library Management System live, within minutes. 2. This system should keep running for Years, without requiring Updates / Breakages. If you are new to Virtual Machines, then please watch the Video below ( taken from my other project. just replace td with lm wherever mentioned ) After starting this VM, please access these websites ( Just Accept Any Warnings ) : Public Website Address: https://lm.local/ Staff Website Address: https://lm.local/index.php?...
    Downloads: 28 This Week
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  • 18
    Koha Library Management System

    Koha Library Management System

    Free & Open Community Edition Server in a Complete Virtual Machine

    This VM is created for 2 reasons: 1. Very little initial setup work required to make a Library Management System live, within minutes. 2. This system should keep running for Years, without requiring Updates / Breakages. If you are new to Virtual Machines, then please watch the Video below ( taken from my other project. just replace td with koha wherever mentioned ) After starting this VM, please access these websites ( Just Accept Any Warnings ) : Public Website Address: https://koha.local Staff Website Address: https://koha.local:4430 Staff Username: staff Staff Password: change_this from any PC on your Local Network. ...
    Downloads: 43 This Week
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  • 19
    To Be Top Javaer

    To Be Top Javaer

    To Be Top Javaer - The Path to Becoming a Java Engineer

    toBeTopJavaer is an open source knowledge base and learning roadmap designed to help developers become expert Java engineers. Created and maintained by Hollis, the project compiles a wide range of Java fundamentals, advanced features, and ecosystem knowledge into one structured guide. It covers core Java concepts, JVM internals, multithreading, frameworks, databases, system design, and interview preparation. The repository is presented in a structured, progressive format so learners can follow along step by step while also diving into specific areas of interest. Its goal is to help developers not only strengthen their Java skills but also broaden their understanding of software engineering practices, distributed systems, and career development. ...
    Downloads: 1 This Week
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  • 20
    School And College Management System

    School And College Management System

    The Free & Popular Student Mgmt. Software in Complete Virtual Machine

    This VM is created for 2 reasons: 1. Very little initial setup work required to make a School And College Management System live, within minutes. 2. This system should keep running for Years, without requiring Updates / Breakages. If you are new to Virtual Machines, then please watch the Video below ( taken from my other project. just replace td with scmt wherever mentioned ) After starting this VM, please login to its administration panels with: Website Address: https://scmt.local/ ( Accept Any Warnings ) Teacher dashboard: tea@tea.tea tea Student dashboard: stu@stu.stu stu Parent dashboard: par@par.par par from any PC on your Local Network. ...
    Downloads: 4 This Week
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  • 21
    CS Notes

    CS Notes

    Essential knowledge for technical interviews, Leetcode, and OS

    CS-Notes is a comprehensive, community-driven collection of study materials and technical notes for computer science students and professionals. Created by CyC2018, the repository consolidates essential computer science topics, algorithm solutions, and interview preparation materials in one well-organized resource. It covers a broad range of subjects, including data structures, algorithms, operating systems, networks, databases, and Java development. The repository also includes sections on system design, distributed systems, caching, and message queues, providing practical knowledge relevant to software engineering interviews and real-world applications. ...
    Downloads: 0 This Week
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  • 22
    Arduino Launch Control System (LCS)

    Arduino Launch Control System (LCS)

    A single rod model rocket launch control system using the Arduino Nano

    ...It incorporates an additional two-button safety system to ensure that a launch is conducted exactly at the desired time. This release marks Version 1 of the system. It is designed to be modular so that it can be easily modified in the future. This project makes a great entry into electronics, Arduino and model rocketry. As such it is ideal for use in schools and youth organizations.
    Downloads: 0 This Week
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  • 23

    CoolingPower

    Print Steam Tables; Plot diagrams and cycles from equations of state

    CoolingPower is NOT in a condition for use at this time. A couple of bugs have been discovered that severely affect the calculation accuracy. While I troubleshoot, use at your own risk. Once completed, CoolingPower will have the capability to plot diagrams of thermodynamic properties, construct Steam Tables, and plot thermodynamic cycles. Initial fluid will be water/steam, but functionality will extend to include a variety of working fluids. CoolingPower operates in GUI format and, for...
    Downloads: 0 This Week
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  • 24
    arclog archives the log files monthly. It supports Apache access log, Syslog, NTP, Apache 1 SSL engine log, modified ISO date/time log file formats, and Apache-like logs like CUPS, ProFTPD, Pure-FTPd… etc., and gzip and bzip2 compression methods.
    Downloads: 0 This Week
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  • 25
    Zero Install
    Zero Install is a decentralised cross-distribution software installation system. Create one package that works everywhere! With dependency handling and automatic updates, full support for shared libraries, and integration with native package managers
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    Downloads: 1,045 This Week
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