Browse free open source System software and projects for Windows and Android below. Use the toggles on the left to filter open source System software by OS, license, language, programming language, and project status.

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  • 1
    Pandora Open

    Pandora Open

    Open Source Monitoring System for performance and availability.

    Pandora OPEN is a high-performance, 100% open-source monitoring ecosystem, born as the independent evolution of the Pandora FMS community branch after version 777. Licensed under GPLv2, it provides a modular and sovereign platform for supervising networks, servers, and applications without commercial dependencies. It features multi-platform agents, remote monitoring (SNMP, WMI, HTTP), GIS maps, and advanced visual dashboards. Entirely maintained by the community on GitHub, it ensures total transparency, technical flexibility, and absolute freedom for system administrators.
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    Downloads: 1,603 This Week
    Last Update:
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  • 2
    uGet - Download Manager
    uGet, the Best Download Manager for Linux. uGet is a lightweight yet powerful Open Source download manager for GNU/Linux developed with GTK+, which also comes packaged as a portable Windows app. - Quick Links - Features: https://ugetdm.com/features Screenshots: https://ugetdm.com/screenshots Blog: https://ugetdm.com/blog Support: https://ugetdm.com/qa Frequently Asked Questions (FAQs): https://ugetdm.com/qa/faq RSS Feed: https://ugetdm.com/rss GitHub: https://github.com/ugetdm
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    Downloads: 628 This Week
    Last Update:
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  • 3
    SliTaz GNU/Linux is a mini distribution and live CD designed to run speedily on hardware with 256 MB of RAM. SliTaz uses BusyBox, a recent Linux kernel and GNU software. 致力于slitaz的中文化。
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    Downloads: 140 This Week
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  • 4
    SerialTest

    SerialTest

    A cross platform debugger for serial port/Bluetooth/TCP/UDP

    A versatile test tool running on Windows/Linux/macOS/Android. Works as data transceiver/realtime plotter/shortcut/file transceiver. Supports serial port, Bluetooth SPP client/server, Bluetooth LE client, TCP client/server, UDP. Homepage: https://github.com/wh201906/SerialTest
    Downloads: 124 This Week
    Last Update:
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  • 5
    Free Download Manager

    Free Download Manager

    Powerful modern download accelerator and organizer for all platforms

    Free Download Manager for Windows, macOS, Android, and Linux allows you to adjust traffic usage, organize downloads, control file priorities for torrents, efficiently download large files and resume broken downloads. Free Download Manager (FDM) is a versatile, user-friendly software that revolutionizes how users manage and accelerate their downloads. It seamlessly integrates with various browsers, making it an essential tool for anyone who downloads files frequently. FDM enhances download speeds by splitting files into sections and downloading them simultaneously, ensuring optimal bandwidth usage. Whether you're downloading large files, videos, or entire websites, FDM simplifies the process with its intuitive interface and customizable settings. Its lightweight design ensures that your system remains fast and responsive while managing multiple downloads effortlessly. Plus, it's open-source, which means users benefit from continual improvements and a strong support community.
    Downloads: 107 This Week
    Last Update:
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  • 6
    SerialPortAssistant
    Serial port assistant This is only a read-only mirror repository. Main repository: https://github.com/KangLin/SerialPortAssistant
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    Downloads: 137 This Week
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  • 7
    RabbitRemoteControl

    RabbitRemoteControl

    Remote control. Support VNC, RDP, Terminal, SSH, TELNET etc

    Rabbit Remote Control is a open-source, cross-platform, multi-protocol remote control software. Allows you to use any device and system in anywhere and remotely manage any device and system in any way. Its goal is to be simple, convenient, security and easy to use, improving work efficiency. It include remote desktop, remote control, file transfer(FTP, SFTP), terminal, remote terminal(SSH, TELNET), player, network tools etc functions. This is only a read-only mirror repository. Main repository: https://github.com/KangLin/RabbitRemoteControl
    Downloads: 32 This Week
    Last Update:
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  • 8
    GoldBug - Encrypted Communications

    GoldBug - Encrypted Communications

    Chat Messenger. E-Mail-Client. Websearch. Filetransfer.

    GoldBug is a decentralized & secure communication suite that offers an integrated e-mail client, an instant messenger & a file transfer. Also included is an URL-RSS-DB & a p2p web search. Current vers. w/ McEliece Algorithm. GoldBug has been 2013 - 2023 ten years just another Graphical User Interface of the Spot-On Encryption Suite. Main GUI features: Minimal & colorful Interface with Tabs in the East. Microsoft & Qt MinGW deprecated Win32 & for Compiling: ● https://sourceforge.net/p/goldbug/wiki/compiling As Spot-On implemented the minimal GB-concept & Nuvola Icons, GoldBug has now been fully integrated into Spot-On Win64: Just choose Tabs at East & Mini-View in Options - w/ Nuvola Icons of course! Voilá! & Many Thanks, Pro-Files can be found archived at ● current source: https://github.com/textbrowser/spot-on ● EN Manual: https://www.amazon.com/dp/3749435065 ● DE: https://compendio.github.io/goldbug-manual-de/ ● Study: https://www.amazon.com/asin/dp/3750408971
    Downloads: 24 This Week
    Last Update:
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  • 9
    KeexyBox

    KeexyBox

    The box to keep the Internet under your control

    KeexyBox allows you to do parental control, block ads, limit telemetry, and browse the Internet anonymously from your home network without installing any software on your devices. It also can be used to create a public wireless access point with the captive portal. It is a software program which requires a Raspberry PI box and which is installed on Raspbian. It constitutes a cut-off point between your devices (computers, tablets, smartphones, etc.) and your router or Internet box. KeexyBox acts as a default gateway and DNS server for the devices in your home network. It thus intercepts all connections to the Internet to carry out website filtering or to activate browsing via the Tor anonymity network according to connection profiles which you have configured.
    Downloads: 4 This Week
    Last Update:
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  • 10
    X2CRM

    X2CRM

    X2CRM - Workflow, Sales, Marketing, Workflow, Custom Apps, PHP, MySQL

    X2CRM Open Source Sales CRM: X2Engine, X2CRM is an Open Source PHP Customer Relationship Management, Sales, Contact Management, Customer Service and Marketing CRM software application. X2CRM helps you optimize your contacts to help you sell more and grow your business. Very powerful B2C and B2B sales management app. Build on top of the Yii framework. Supports all browsers, iPads, iPhones and most mobile devices. X2CRM Key Features Workflow Designer Mobile Apps Web and Facebook Lead Capture Forms Lead Nurturing, Scoring and Intelligent Routing Contact Activity Management Sales Process Work-flow Engine Email Correspondence Product and Sales Quotes User Profile Pages and Activity Streams Field Security, Roles and Sales Teams Visual Form Editor for Admins Reporting Dashboard iPad and Mobile Device Apps X2Studio, an administrative tool, allows developers to create and share new application modules without any programming knowledge.
    Downloads: 1 This Week
    Last Update:
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  • 11
    RabbitProxyServer
    Proxy server. There are the read-only mirror of github. Home: https://github.com/KangLin/RabbitProxyServer.git
    Downloads: 1 This Week
    Last Update:
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  • 12
    DropYet

    DropYet

    It's the simple cloud.

    With DropYet you can manage your personal files in the easiest way. And it's not that bad looking. :) Enjoy the security, simplicity and beauty of DropYet. Upload, rename and delete files. The simpliest manager of files and folders. Furthermore, there are more features like securely sharing files, password encryption and encrypted file detection. Setting it up is easier than ever before. Just try DropYet. Currently working on MORE features for you. Now with Dark Mode! Requirements: PHP (recommended is 7 and higher), HTML, cURL, sendmail Read everything else on our website! :) https://dropyet.maximiliansixdorf.de/en
    Downloads: 0 This Week
    Last Update:
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  • 13
    Gobisoft

    Gobisoft

    Software auto-installation builder

    Gobisoft is a batch package builder for applications, it builds a self-install package of your programs. Creates a stand alone executable file that performs the (secured installation and removing) of the elements necessary to distribute your applications. The software offers many possibilities, such as executing commands before and after installation.
    Downloads: 0 This Week
    Last Update:
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  • 14
    OmniEdge

    OmniEdge

    Bringing intranet on the internet with Zero-Config Mesh VPNS.

    OmniEdge is an Open source p2p layer 2 , zero-config mesh VPN infrastructure, a traditional VPN, AWS VPC, Ngrok, DDNS alternative. No central server, easy to scale with less maintenance. What happens in intranet, stays in in intranet.
    Downloads: 50 This Week
    Last Update:
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