Showing 272 open source projects for "open source invoice"

View related business solutions
  • AI-generated apps that pass security review Icon
    AI-generated apps that pass security review

    Stop waiting on engineering. Build production-ready internal tools with AI—on your company data, in your cloud.

    Retool lets you generate dashboards, admin panels, and workflows directly on your data. Type something like “Build me a revenue dashboard on my Stripe data” and get a working app with security, permissions, and compliance built in from day one. Whether on our cloud or self-hosted, create the internal software your team needs without compromising enterprise standards or control.
    Try Retool free
  • 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
  • 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.
    Leader badge
    Downloads: 1,767 This Week
    Last Update:
    See Project
  • 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.
    Leader badge
    Downloads: 1,560 This Week
    Last Update:
    See Project
  • 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.
    Leader badge
    Downloads: 574 This Week
    Last Update:
    See Project
  • 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.
    Leader badge
    Downloads: 674 This Week
    Last Update:
    See Project
  • Free and Open Source HR Software Icon
    Free and Open Source HR Software

    OrangeHRM provides a world-class HRIS experience and offers everything you and your team need to be that HR hero you know that you are.

    Give your HR team the tools they need to streamline administrative tasks, support employees, and make informed decisions with the OrangeHRM free and open source HR software.
    Learn More
  • 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/
    Leader badge
    Downloads: 239 This Week
    Last Update:
    See Project
  • 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.
    Leader badge
    Downloads: 249 This Week
    Last Update:
    See Project
  • 7
    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.
    Leader badge
    Downloads: 153 This Week
    Last Update:
    See Project
  • 8
    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.
    Leader badge
    Downloads: 67 This Week
    Last Update:
    See Project
  • 9
    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.
    Leader badge
    Downloads: 77 This Week
    Last Update:
    See Project
  • Connect with customers in one app Icon
    Connect with customers in one app

    Businesses of all sizes seeking an AI-enhanced, all-in-one communication platform to unify voice, video, and messaging for improved team collaboration

    Dialpad Connect is an AI-powered unified communications platform that combines voice, video, and messaging to enhance team collaboration and customer interactions. It features real-time call transcription, automated call summaries, and AI-generated action items to help users stay focused during conversations. The platform integrates seamlessly with popular business apps like Salesforce, Zendesk, Microsoft Teams, and Google Workspace to streamline workflows. Designed for businesses of all sizes, Dialpad Connect delivers enterprise-grade reliability with 100% uptime SLA and robust disaster recovery. Security and privacy are core priorities, meeting standards like GDPR, HIPAA, and SOC 2 compliance. Dialpad Connect helps companies elevate customer experiences while boosting team productivity.
    Learn More
  • 10
    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.
    Leader badge
    Downloads: 68 This Week
    Last Update:
    See Project
  • 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: 52 This Week
    Last Update:
    See Project
  • 12
    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: 61 This Week
    Last Update:
    See Project
  • 13
    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.
    Leader badge
    Downloads: 25 This Week
    Last Update:
    See Project
  • 14
    AJED

    AJED

    An Editor for Roland JUNO ALPHA type synthesizers

    An Editor for Roland JUNO ALPHA 1/ 2 HS-10/HS-80 and Roland MKS50 Version 2.6.1 July 14th 2025 release (Windows Installer) Version 2..6.1 August 15th 2025 release (Builds for macOS) This project is a continuation of the now discontinued Juno Alpha panel. Please upgrade to this version. A lot of work went into the creation of this program. If you profit from it either financially or creatively, please consider a donation of as little as $10.00 USD. Please click on the PayPal...
    Leader badge
    Downloads: 36 This Week
    Last Update:
    See Project
  • 15
    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.
    Leader badge
    Downloads: 17 This Week
    Last Update:
    See Project
  • 16
    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: 34 This Week
    Last Update:
    See Project
  • 17
    Mixxx

    Mixxx

    Free DJ software: everything you need to perform live mixes

    ...With strong community-driven development, Mixxx is continuously improved by DJs and programmers from around the world. As a fully open-source project, Mixxx is and will always remain free to use.
    Downloads: 17 This Week
    Last Update:
    See Project
  • 18

    abcmidi

    abcmidi is a library of programs to handle abc music notation files

    abcmidi contains a collection of command line utilities for working with abc music notation files. abc2midi converts an abc file into a midi file. abc2abc transposes the contents of an abc file to another key. midi2abc converts a midi file into an abc file. yaps renders the contents of an abc file into common music notation and records it into a PostScript file. mftext presents a textual representation of a midi file. midicopy changes the contents of a midi file and records it in a new midi...
    Downloads: 17 This Week
    Last Update:
    See Project
  • 19
    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: 19 This Week
    Last Update:
    See Project
  • 20
    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.
    Leader badge
    Downloads: 17 This Week
    Last Update:
    See Project
  • 21

    wrk2mid

    Cakewalk to Standard MIDI Files Command Line Utility Translator

    wrk2mid is a command line utility for translating WRK (Cakewalk) files into MID (standard MIDI files). This project depends on Qt and Drumstick libraries.
    Downloads: 12 This Week
    Last Update:
    See Project
  • 22
    JsonMidiPlayer

    JsonMidiPlayer

    Very simple MIDI Player of JSON files

    Very simple MIDI Player intended to be used to play JSON files created by JsonMidiCreator* or directly by the dynamic library. * https://github.com/ruiseixasm/JsonMidiCreator
    Downloads: 6 This Week
    Last Update:
    See Project
  • 23
    WildMidi is a midi processing library and a midi player using the gus patch set.
    Downloads: 4 This Week
    Last Update:
    See Project
  • 24
    AGS - Advanced Gtk+ Sequencer
    Advanced GTK+ Sequencer is intended to use for music composition. It features a piano roll, as well a synth, matrix editor, drum machine, soundfont2 player, mixer and an output panel. It's designed to be highly configurable, you may add effects to its effect chain, add or remove audio channels/pads. You may set up a fully functional network of engines, therefore exists a link editor for linking audio lines. In conjunction with ags you need a realtime kernel and alsa support. `ags` uses...
    Downloads: 5 This Week
    Last Update:
    See Project
  • 25
    libTiMidity is a MIDI to WAVE converter library that uses Gravis Ultrasound-compatible patch files to generate digital audio data from General MIDI files. This library based on the TiMidity decoder from SDL_sound library.
    Leader badge
    Downloads: 4 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • 3
  • 4
  • 5
  • Next