Showing 583 open source projects for "open source invoice"

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    Automate contact and company data extraction

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  • 1
    Hydrogen

    Hydrogen

    An advanced drum machine with pattern-based programming

    Hydrogen is an advanced drum machine for GNU/Linux, Windows and Mac OS X. It's main goal is to bring professional yet simple and intuitive pattern-based drum programming.
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    Downloads: 1,624 This Week
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  • 2
    Virtual MIDI Piano Keyboard

    Virtual MIDI Piano Keyboard

    Virtual MIDI controller for Linux, Windows and OSX

    VMPK is a virtual MIDI piano keyboard for Linux, Windows and OSX. Based on Qt and Drumstick the program is a MIDI event generator using the computer's alphanumeric keyboard and the mouse. It may be used also to display received MIDI notes.
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    Downloads: 1,517 This Week
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  • 3
    GrandOrgue

    GrandOrgue

    Virtual Pipe Organ Software

    Official development of GrandOrgue has moved to GitHub, please visit https://github.com/GrandOrgue/grandorgue that is our new home! GrandOrgue is a sample based pipe organ simulator. When connected to MIDI keyboards and an audio system, it can accurately simulate the sound of a real pipe organ. This application has builds for Linux, Windows and OS X.
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    Downloads: 582 This Week
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  • 4
    Fx FloorBoard

    Fx FloorBoard

    Graphical editor software for many Boss and Roland effect & synth unit

    Editors for the BOSS GT-1, 3, 5, 6, 8, Pro, 10, 100, 001 Guitar Multi-Effects Processors, and the BOSS GT-1B,6B,10B Bass Multi-Effects Processors. And for the Katana Amplifier. and various Boss and Roland guitar synths. This software can visually edit parameters via Midi,USB, or Bluetooth(via external device on some units) on the Multi-Effects/Amp/Synth Processor.
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    Downloads: 662 This Week
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  • G-P - Global EOR Solution Icon
    G-P - Global EOR Solution

    Companies searching for an Employer of Record solution to mitigate risk and manage compliance, taxes, benefits, and payroll anywhere in the world

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  • 5
    Munt
    A multi-platform software synthesiser emulating (somewhat inaccurately) pre-GM MIDI devices such as the Roland MT-32, CM-32L, CM-64 and LAPC-I. In no way endorsed by or affiliated with Roland Corp. Source hosted at: http://www.github.com/munt/
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    Downloads: 221 This Week
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  • 6
    GR FloorBoard
    midi editing software for use with the Roland GR-55 and Boss SY-300 and GP-10 guitar synthesizer, to allow graphical representation of the internal settings and parameters of the GR-55. Realtime editing and patch data backups, bulk patch editing.
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    Downloads: 266 This Week
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  • 7
    TiMidity++ is an open source MIDI to WAVE converter and player.
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    Downloads: 131 This Week
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  • 8
    Qtractor

    Qtractor

    An Audio/MIDI multi-track sequencer

    Qtractor is an Audio/MIDI multi-track sequencer application written in C++ around the Qt framework. The target platform will be Linux, where the Jack Audio Connection Kit (JACK) for audio, and the Advanced Linux Sound Architecture (ALSA) for MIDI,
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    Downloads: 370 This Week
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  • 9
    ME-Edit
    Patch editor for the Boss ME-25 guitar multi effects and Roland GR-20 guitar synthesizer. The software allows desktop tweaking and editing of the ME-25 internal parameters, making patches a lot easier to create.
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    Downloads: 86 This Week
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  • Desktop and Mobile Device Management Software Icon
    Desktop and Mobile Device Management Software

    It's a modern take on desktop management that can be scaled as per organizational needs.

    Desktop Central is a unified endpoint management (UEM) solution that helps in managing servers, laptops, desktops, smartphones, and tablets from a central location.
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  • 10
    Rosegarden
    The MIDI sequencer that features a rich understanding of music notation along with basic support for digital audio
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    Downloads: 77 This Week
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  • 11
    MuseScore

    MuseScore

    Free music notation & composition software

    MuseScore is a free and open-source music notation software designed for composers, arrangers, educators, and musicians of all levels. It allows users to write, edit, and print professional-quality sheet music with no limitations or subscription fees. MuseScore Studio supports a wide range of instruments and ensembles, from solo piano and guitar to full orchestras and choirs.
    Downloads: 67 This Week
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  • 12
    Drumstick Multiplatform MIDI File Player

    Drumstick Multiplatform MIDI File Player

    Multiplatform MIDI File Player for Linux, Windows, and macOS

    Featured MIDI File Player for Linux, Windows, and macOS written in C++, and using Qt5 and Drumstick2.
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    Downloads: 68 This Week
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  • 13
    Pure Data Computer Music System
    The Pure Data (short Pd) project on SourceForge unifies the extensions (or externals) written for the Pure Data Graphical Computer Music System written by Miller Puckette with contributions from many others.
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    Downloads: 61 This Week
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  • 14
    Psycle Modular Music Creation Studio
    Psycle is a Music tracker (like FastTracker 2 or Impulse Tracker) combined with plugin modularity. It supports its own plugin API, the VST2 plugin standard, and a tracker style sampler playback.
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    Downloads: 38 This Week
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  • 15
    synthv1

    synthv1

    An old-school polyphonic synthesizer

    synthv1 is an old-school 4-oscillator subtractive polyphonic synthesizer with stereo fx.
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    Downloads: 33 This Week
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  • 16
    QXGEdit

    QXGEdit

    Qt XG Editor

    QXGEdit is a Qt GUI for editing MIDI System Exclusive files for XG devices (eg. Yamaha DB50XG).
    Downloads: 19 This Week
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  • 17
    drumkv1

    drumkv1

    An old-school drum-kit sampler

    an old-school drum-kit sampler with stereo fx.
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    Downloads: 23 This Week
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  • 18
    QmidiNet

    QmidiNet

    A MIDI Network Gateway via UDP/IP Multicast

    QmidiNet is a MIDI network gateway application that sends and receives MIDI data over the network, using UDP/IP multicast. Inspired by multimidicast (http://llg.cubic.org/tools) and designed to be compatible with ipMIDI for Windows (http://nerds.de).
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    Downloads: 22 This Week
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  • 19
    MidiQuickFix - Midi editor and player
    MidiQuickFix allows you to directly edit the events in a Midi file. It is intended to make it easy to find and fix problems, such as setting volume and pan values for a track, without the need for a complex Midi sequencing program.
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    Downloads: 21 This Week
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  • 20
    Midi router

    Midi router

    Midi router

    Midi router - anywhere to anywhere. Midi Router Client is an advanced, cross-platform tool designed to route and manipulate MIDI signals in real time. It allows users to create virtual MIDI ports, map MIDI events (e.g., CC to pitch wheel), monitor inputs, and build custom controls like program change dropdowns—all with minimal latency Documentation: https://shemeshg.github.io/MidiRouterClient-mdbook Github and support: https://github.com/shemeshg/MidiRouterClient step by step...
    Downloads: 32 This Week
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  • 21
    samplv1

    samplv1

    An old-school polyphonic sampler

    samplv1 is an old-school all-digital polyphonic sampler synthesizer with stereo fx.
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    Downloads: 23 This Week
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  • 22
    JD990 Super Editor

    JD990 Super Editor

    VERSION 3.6.1 released 9/25/2025

    CtrlrX based editor for Roland SUPER JD SYNTHESIZER MODULE JD-990
    Downloads: 32 This Week
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  • 23
    Mididash

    Mididash

    MIDI router with a node-based interface and Lua scripting

    Mididash is an open source MIDI routing software with a node-based interface and Lua scripting. A modern take on programs like MIDI-OX.
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    Downloads: 14 This Week
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  • 24
    Drumstick Libraries

    Drumstick Libraries

    MIDI libraries for Qt/C++

    Drumstick is a tool to play music. This is a set of C++ MIDI libraries using Qt5 objects, idioms and style. It contains a C++ wrapper around the ALSA library sequencer interface; ALSA sequencer provides software support for MIDI technology on Linux. A complementary library provides classes for SMF (Standard MIDI files: .MID/.KAR), and Cakewalk (.WRK) file formats processing. A multiplatform realtime MIDI I/O library is also provided.
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    Downloads: 22 This Week
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  • 25
    SY-FloorBoard
    A collection of graphical midi based editors, each made specifically for the Boss SY-1000 , Roland VG-99 guitar, or VB-99 bass synth units, which provide an alternative to the Boss/Roland version of midi editors, with full features and control of the SY-1000, VG-99, or VB-99 from a Windows, Mac, or Linux computer.
    Downloads: 23 This Week
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