ShareX is a free and open-source application that enables users to capture or record any area of their screen with a single keystroke. It also supports uploading images, text, and various file types to a wide range of destinations.
The free and privacy-friendly screen recorder with no limits 🎥
- screen-capture
- screencast
- recorder
- annotation
MuseScore is an open source and free music notation software. For support, contribution, bug reports, visit MuseScore.org. Fork and make pull requests!
- musescore
- music-notation
- cpp
- musicxml
A JavaScript library for rendering music notation and guitar tablature.
a library for audio and music analysis
Awesome Music Projects
OpenSheetMusicDisplay renders sheet music in MusicXML format in browsers and headless with NodeJS. Based on VexFlow, OSMD is brought to you by PhonicScore.com.
- music
- musicxml
- mxl
- sheetmusic
Multitrack Web Audio editor and player with canvas waveform preview. Set cues, fades and shift multiple tracks in time. Record audio tracks or provide audio annotations. Export your mix to AudioBuffer or WAV! Add effects from Tone.js. Project inspired by Audacity.
- playlist
- waveform
- audio
- audio-visualizer
🎵 Music notation engraving library for MEI with MusicXML and Humdrum support and various toolkits (JavaScript, Python)
- music
- notation
- javascript
- mei
The visual communication layer between humans and AI agents. Capture, annotate, render diagrams, and organize with AI — powered by Electron and Ollama. macOS & Linux.
Cross-Platform Screen Capture and Annotation Tool
A Music programming language. Translates source code into MIDI. Includes a player. Supports MIDI-Karaoke. Includes a MIDI analyzer.
- midi
- music-programming
- karaoke
- karaoke-player
Chord Charts. Evolved.
- chords
- chord-charts
- chordsheet
- chord-sheet
Play MusicXML scores in the browser using Web Audio and Web MIDI.
- midi
- music-notation
- musicxml
- web-audio
Use Lilypond like a boss!
Read and write Excel (.xlsx, .xls), CSV, and ODS files in Java with one line of code. Annotation-based mapping, SAX streaming, built-in validation, 19 type converters, cell styling. A high-performance alternative to Apache POI.
- annotation
- apache-poi
- csv
- data-processing
Pixano Elements - Re-usable web components dedicated to data annotation tasks.
Practice recognizing chords in this Rust/Yew/Webassembly app
- yew
- music-theory
- music-notation
- wasm
Typographic Beat-Oriented Notation for music
Claude Code plugin for visual docs — annotated screenshots, feature demos, flow walkthrough recordings (gif/mp4), terminal captures and before/after composites, one command each. Self-contained Chromium, self-validated output, no MCP.