Showing 7470 open source projects for "java open source"

View related business solutions
  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
    Try free now
  • Automate contact and company data extraction Icon
    Automate contact and company data extraction

    Build lead generation pipelines that pull emails, phone numbers, and company details from directories, maps, social platforms. Full API access.

    Generate leads at scale without building or maintaining scrapers. Use 10,000+ ready-made tools that handle authentication, pagination, and anti-bot protection. Pull data from business directories, social profiles, and public sources, then export to your CRM or database via API. Schedule recurring extractions, enrich existing datasets, and integrate with your workflows.
    Explore Apify Store
  • 1
    86Box

    86Box

    Emulator of x86-based machines based on PCem

    86Box is a low level x86 emulator that runs older operating systems and software designed for IBM PC systems and compatibles from 1981 through fairly recent system designs based on the PCI bus. Easy to use interface inspired by mainstream hypervisor software. Low level emulation of 8086-based processors up to the Pentium with focus on accuracy. Great range of customizability of virtual machines. Many available systems, such as the very first IBM PC 5150 from 1981, or the more obscure IBM...
    Downloads: 79 This Week
    Last Update:
    See Project
  • 2
    Flipper Zero Firmware

    Flipper Zero Firmware

    Flipper Zero firmware source code

    Flipper Zero is a portable multi-tool for pentesters and geeks in a toy-like body. It loves hacking digital stuff, such as radio protocols, access control systems, hardware, and more. It's fully open-source and customizable, so you can extend it in whatever way you like. Flipper Zero is a tiny piece of hardware with a curious personality of a cyber-dolphin. It can interact with digital systems in real life and grow while you use it. Explore any kind of access control system, RFID, radio protocols, and debug hardware using GPIO pins. ...
    Downloads: 43 This Week
    Last Update:
    See Project
  • 3
    Brotli

    Brotli

    Brotli compression format

    Version 1.0.9 contains a fix to "integer overflow" problem. This happens when "one-shot" decoding API is used (or input chunk for streaming API is not limited), input size (chunk size) is larger than 2GiB, and input contains uncompressed blocks. After the overflow happens, memcpy is invoked with a gigantic num value, that will likely cause the crash. Brotli is a generic-purpose lossless compression algorithm that compresses data using a combination of a modern variant of the LZ77 algorithm,...
    Downloads: 59 This Week
    Last Update:
    See Project
  • 4
    OpenHardwareMonitor

    OpenHardwareMonitor

    Free open source tool for real-time PC hardware sensor monitoring

    Open Hardware Monitor is a free and open source hardware monitoring application designed primarily for personal computers. It provides real-time insights into key system metrics such as temperatures, fan speeds, voltages, load percentages, and clock speeds by reading directly from sensors embedded in CPUs, GPUs, motherboards, and storage devices.
    Downloads: 31 This Week
    Last Update:
    See Project
  • Atera all-in-one platform IT management software with AI agents Icon
    Atera all-in-one platform IT management software with AI agents

    Ideal for internal IT departments or managed service providers (MSPs)

    Atera’s AI agents don’t just assist, they act. From detection to resolution, they handle incidents and requests instantly, taking your IT management from automated to autonomous.
    Learn More
  • 5
    libusb

    libusb

    A cross-platform library to access USB devices

    libusb is a library for USB device access from Linux, macOS, Windows, OpenBSD/NetBSD, Haiku and Solaris userspace. It is written in C (Haiku backend in C++) and licensed under the GNU Lesser General Public License version 2.1 or, at your option, any later version. libusb is a C library that provides generic access to USB devices. It is intended to be used by developers to facilitate the production of applications that communicate with USB hardware. Using a single cross-platform API, it...
    Downloads: 48 This Week
    Last Update:
    See Project
  • 6
    VirtualBox

    VirtualBox

    Virtualization software for x86_64 hardware

    VirtualBox is a powerful open-source full virtualization software that allows a user to run one or more “guest” operating systems simultaneously inside “virtual machines” on a single physical “host” machine. It supports a wide variety of host platforms (Linux, Windows, macOS, Solaris, etc.) and guest OSes, enabling, for example, running Linux on a Windows PC, running Windows Server on a Linux host, or even legacy OSes in a controlled environment.
    Downloads: 50 This Week
    Last Update:
    See Project
  • 7
    BizHawk

    BizHawk

    BizHawk is a multi-system emulator written in C#

    A multi-system emulator written in C#. As well as quality-of-life features for casual players, it also has recording/playback and debugging tools, making it the first choice for TASers (Tool-Assisted Speedrunners). Screenshotting and recording audio + video to file. Firmware management, input, framerate, and more in a HUD over the game. Rebindable hotkeys for controlling the frontend (keyboard+mouse+gamepad). A comprehensive input mapper for the emulated gamepads and other peripherals....
    Downloads: 45 This Week
    Last Update:
    See Project
  • 8
    simplewall

    simplewall

    Simple tool to configure Windows Filtering Platform (WFP)

    simplewall is an open-source Windows application that provides a user-friendly firewall control interface powered by Windows Filtering Platform (WFP), enabling users to block or allow outgoing and incoming network connections without diving into complex OS settings or command-line tools. The app presents a clean, intuitive UI where users can define rules based on process names, IP addresses, ports, and protocols, making it possible to restrict apps from accessing the internet or control specific traffic flows with fine granularity. ...
    Downloads: 28 This Week
    Last Update:
    See Project
  • 9
    WinDiskWriter

    WinDiskWriter

    Windows Bootable USB creator for macOS

    Windows USB disk creator for macOS. You can use this app to create bootable universal USB Windows installers that support both UEFI and Legacy BIOS modes. With this USB drive, you can install and enjoy Windows on your PC, Intel Mac, or certain Virtual Machines. WinDiskWriter knows how to make a bootable drive for each Windows Image type. You can bypass TPM, Minimum RAM, Secure Boot, and some other System Requirements set by Microsoft for Windows 11. You can create an all-in-one USB drive...
    Downloads: 44 This Week
    Last Update:
    See Project
  • Grafana: The open and composable observability platform Icon
    Grafana: The open and composable observability platform

    Faster answers, predictable costs, and no lock-in built by the team helping to make observability accessible to anyone.

    Grafana is the open source analytics & monitoring solution for every database.
    Learn More
  • 10
    MicroPython

    MicroPython

    Python implementation for microcontrollers and constrained systems

    MicroPython is a lean and efficient implementation of the Python 3 programming language that includes a small subset of the Python standard library and is optimised to run on microcontrollers and in constrained environments. The MicroPython pyboard is a compact electronic circuit board that runs MicroPython on the bare metal, giving you a low-level Python operating system that can be used to control all kinds of electronic projects. MicroPython is packed full of advanced features such as an...
    Downloads: 47 This Week
    Last Update:
    See Project
  • 11
    OpenWrt

    OpenWrt

    A Linux operating system targeting embedded devices

    OpenWrt Project is a Linux operating system targeting embedded devices. Instead of trying to create a single, static firmware, OpenWrt provides a fully writable filesystem with package management. This frees you from the application selection and configuration provided by the vendor and allows you to customize the device through the use of packages to suit any application. For developers, OpenWrt is the framework to build an application without having to build a complete firmware around it;...
    Downloads: 29 This Week
    Last Update:
    See Project
  • 12
    ReactOS

    ReactOS

    A free Windows-compatible Operating System

    Imagine running your favorite Windows applications and drivers in an open-source environment you can trust. That's the mission of ReactOS! Being part of a Worldwide Community, as ReactOS is, will boost your own personal skills to a highest new level. Working teamed with people from different countries will enhance your team-working, empathy and English. All these skills are really appreciated by companies out there in job interviews.
    Downloads: 34 This Week
    Last Update:
    See Project
  • 13
    XClicker

    XClicker

    Fast gui autoclicker for x11 linux desktops

    XClicker is an open-source, easy-to-use, feature-rich and blazing-fast Autoclicker for linux desktops using x11. It is written in C and uses the gtk framework. The user interface may look different depending on what gtk theme you are using. The highest I have got with it was around 750cps, but that was still with 1-millisecond interval. With 0 millisecond interval, the focused application may freeze.
    Downloads: 22 This Week
    Last Update:
    See Project
  • 14
    Grafana

    Grafana

    Leading open-source visualization and observability platform

    Grafana OSS is a leading open-source visualization and observability platform that lets you query, visualize, alert on, and explore your data—regardless of where it’s stored. With support for 100+ data source plugins (such as Prometheus, Loki, Elasticsearch, InfluxDB, SQL/NoSQL databases, OTel, and more), you can unify metrics, logs, traces, and other observability signals in one place.
    Downloads: 31 This Week
    Last Update:
    See Project
  • 15
    xemu

    xemu

    Original Xbox Emulator for Windows, macOS, and Linux

    A free and open-source application that emulates the original Microsoft Xbox game console, enabling people to play their original Xbox games on Windows, macOS, and Linux systems. The source code for xemu is publicly available. Users are invited to help improve the project! xemu runs natively on Windows, macOS, and Linux platforms. Pre-compiled binaries are available for Windows, macOS, and Ubuntu.
    Downloads: 16 This Week
    Last Update:
    See Project
  • 16
    Memtest86+

    Memtest86+

    Stand-alone memory tester for x86 and x86-64 architecture computers

    Memtest86+ is a free, open-source, stand-alone memory diagnostic tool designed to thoroughly test system RAM beyond standard BIOS checks. It runs independently of any operating system, allowing it to access nearly all available memory without software or UEFI library limitations. Supporting x86, x86-64, and LoongArch64 architectures, Memtest86+ works on a wide range of modern and legacy hardware platforms.
    Downloads: 21 This Week
    Last Update:
    See Project
  • 17
    DeSmuME

    DeSmuME

    DeSmuME is a Nintendo DS emulator

    In this version we have added support for high-resolution 3D rendering. Try the new “GPU Scaling Factor” feature to increase the 3D resolution beyond the native resolution of 256×192 pixels. Also, the Cocoa frontend sees continued radical enhancements and while the Windows frontend sees some new incremental enhancements. DeSmuME is a very CPU demanding app. While many users will see DeSmuME as a toy (and use it as such), it is actually a very sophisticated piece of software with lots of...
    Downloads: 30 This Week
    Last Update:
    See Project
  • 18
    ZMap

    ZMap

    ZMap is a fast single packet network scanner for network surveys

    ZMap is a fast single packet network scanner designed for Internet-wide network surveys. On a typical desktop computer with a gigabit Ethernet connection, ZMap is capable scanning the entire public IPv4 address space in under 45 minutes. With a 10gigE connection and PF_RING, ZMap can scan the IPv4 address space in under 5 minutes. ZMap operates on GNU/Linux, Mac OS, and BSD. ZMap currently has fully implemented probe modules for TCP SYN scans, ICMP, DNS queries, UPnP, BACNET, and can send a...
    Downloads: 23 This Week
    Last Update:
    See Project
  • 19
    Fastfetch

    Fastfetch

    A maintained, feature-rich and performance oriented, neofetch

    Fastfetch is a high-performance, highly customizable command-line tool, similar to Neofetch, that displays system information in an appealing and flexible format. Written primarily in C, it's optimized for speed and versatility. Neofetch-like styling with performance-oriented implementation. Configuration via modules for tailored fetch layouts. Fast, visually appealing system info display. Highly customizable output with modular design.
    Downloads: 18 This Week
    Last Update:
    See Project
  • 20
    Unicorn Engine

    Unicorn Engine

    Unicorn CPU emulator framework (ARM, AArch64, M68K, Mips, Sparc

    Unicorn is a lightweight multi-platform, multi-architecture CPU emulator framework. Highlight features. Multi-architectures: ARM, ARM64 (ARMv8), m68k, MIPS, PowerPC, RISC-V, S390x (SystemZ), SPARC, TriCore & x86 (include x86_64). Clean/simple/lightweight/intuitive architecture-neutral API. Implemented in pure C language, with bindings for Pharo, Crystal, Clojure, Visual Basic, Perl, Rust, Haskell, Ruby, Python, Java, Go, D, Lua, JavaScript, .NET, Delphi/Pascal & MSVC available. Native...
    Downloads: 3 This Week
    Last Update:
    See Project
  • 21
    fping

    fping

    High performance ping tool

    fping is a program to send ICMP echo probes to network hosts, similar to ping, but much better performing when pinging multiple hosts. fping has a very long history: Roland Schemers did publish a first version of it in 1992 and it has established itself since then as a standard tool for network diagnostics and statistics. There was no official fping release from 2002 until end of 2011. Various patches existed, but were never integrated "upstream". Also, the official maintainer didn't answer...
    Downloads: 23 This Week
    Last Update:
    See Project
  • 22
    iSH

    iSH

    The Linux shell on iOS

    iSH is an open source project that allows for a Linux shell environment to run locally on your iOS device. It does this through a usermode x86 emulation and syscall translation. With iSH you can run Linux applications and programs on iOS, access the Alpine package manager, and install programs with apk add <name>. iSH also features a keyboard addition that makes navigation a whole lot easier.
    Downloads: 11 This Week
    Last Update:
    See Project
  • 23
    Tasmota

    Tasmota

    Alternative firmware for ESP8266 with easy configuration

    Alternative firmware for ESP8266 with easy configuration using webUI, OTA updates, automation using timers or rules, expandability and entirely local control over MQTT, HTTP, Serial or KNX. Unless your Tasmota powered device exhibits a problem or you need to make use of a feature that is not available in the Tasmota version currently installed on your device, leave your device alone - it works so don't make unnecessary changes! If the release version (i.e., the master branch) exhibits...
    Downloads: 20 This Week
    Last Update:
    See Project
  • 24
    puNES

    puNES

    Qt-based Nintendo Entertaiment System emulator and NSF/NSF2/NSFe Music

    puNES is a highly accurate NES/Famicom emulator written in C++, with a focus on compatibility, cycle-accuracy, and faithful rendering of classic Nintendo hardware. It supports a wide range of mappers, has a robust set of debugging tools, and provides accurate audio and video emulation down to the scanline and pixel level. puNES is designed to run on multiple operating systems and includes a highly customizable interface with support for shaders, rewind, netplay, and recording features. It's...
    Downloads: 18 This Week
    Last Update:
    See Project
  • 25
    Linux Kernel

    Linux Kernel

    Linux Kernel source tree

    The Linux Kernel is the core component of the Linux operating system—a free, open-source, monolithic, Unix-like system kernel initiated by Linus Torvalds in 1991 and since evolved into a foundational technology powering everything from servers and supercomputers to smartphones and embedded devices. There are various text files in the Documentation/ subdirectory, several of them using the reStructuredText markup notation.
    Downloads: 8 This Week
    Last Update:
    See Project