PolyMeilex/Neothesia

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Flashy Synthesia Like Software For Linux, Windows and MacOs

Stars: 1.5k
Forks: 115
Open beginner issues: 0
Indexed issues: 35
Avg merge: 7h 48m
Merged PRs (30d): 8

Dominant language: Rust
License: GPL-3.0
Last GitHub push: Sep 9, 2026
Latest indexed: Sep 19, 2026
Contributing guide: No contributing guide
Code of conduct: No code of conduct
Beginner labels: No beginner labels indexed

Beginner friendly Everything

Open All

35 open issues indexed

MusicXML File Support and Harmony/Chord Breakdown Open

feature-request

Difficulty 5/5 Over a week Newbie friendliness 25/100

PolyMeilex/Neothesia#428 · Opened Aug 23, 2026
Can't install on Arch Linux CachyOS Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 52/100

PolyMeilex/Neothesia#427 · Opened Aug 23, 2026
Select MiDi Folder Open

feature-request

Difficulty 5/5 Over a week Newbie friendliness 30/100

PolyMeilex/Neothesia#424 · Opened Aug 18, 2026
piano range settings don't affect pc keyboard mapping Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 58/100

PolyMeilex/Neothesia#415 · Opened Aug 3, 2026
Wgpu fragment shader failed to compile error on startup Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

PolyMeilex/Neothesia#386 · 2 comments · Opened Jun 28, 2026
OpenXR support Open

feature-request

Difficulty 5/5 Over a week Newbie friendliness 25/100

PolyMeilex/Neothesia#382 · 1 comment · Opened May 18, 2026
Visually represent note velocity using opacity Open

feature-request

Difficulty 4/5 3-5 days Newbie friendliness 52/100

PolyMeilex/Neothesia#380 · 2 reactions · Opened Apr 3, 2026
Cannot open on Mac M1 - Sequoia 15.7.4 (24G517) Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 45/100

PolyMeilex/Neothesia#374 · 3 comments · Opened Mar 17, 2026
neothesia-cli: multitrack midi file renders as piano Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 38/100

PolyMeilex/Neothesia#372 · Opened Mar 12, 2026
neothesia-cli creates a video file with no sound Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 48/100

PolyMeilex/Neothesia#369 · 3 comments · Opened Feb 26, 2026
Input manager doesn't tear down connections before creating new ones Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 55/100

PolyMeilex/Neothesia#352 · 2 comments · Opened Jan 5, 2026
Feature Request: Note editor (set note to left/right) Open

feature-request

Difficulty 5/5 Over a week Newbie friendliness 25/100

PolyMeilex/Neothesia#339 · 2 reactions · Opened Dec 31, 2025
Feature Request: Display pressed notes on a sheet music staff Open

Design feature-request

Difficulty 5/5 Over a week Newbie friendliness 35/100

PolyMeilex/Neothesia#320 · 1 reaction · Opened Oct 17, 2025
Feature Request: music sheet notes Open

enhancement feature-request

Difficulty 4/5 3-5 days Newbie friendliness 45/100

PolyMeilex/Neothesia#307 · 2 comments · 4 reactions · Opened Aug 24, 2025
Animation speed decreasses based on the resolution Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

PolyMeilex/Neothesia#305 · Opened Aug 16, 2025
Recognize and warn about broken MIDI-files Open

bug

Difficulty 3/5 1-2 days Newbie friendliness 45/100

PolyMeilex/Neothesia#303 · Opened Aug 15, 2025
Spanish Translation Open

enhancement

Difficulty 3/5 1-2 days Newbie friendliness 20/100

PolyMeilex/Neothesia#262 · 2 comments · Opened Jun 22, 2025
Add Webassembly release Open

Difficulty 5/5 Over a week Newbie friendliness 25/100

PolyMeilex/Neothesia#249 · 2 comments · Opened Apr 24, 2025
[BUG] RPN tunings to not get reset between the playback Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PolyMeilex/Neothesia#244 · Opened Apr 17, 2025
Hand Assignment Customization Open

feature-request

Difficulty 5/5 Over a week Newbie friendliness 25/100

PolyMeilex/Neothesia#234 · 1 reaction · Opened Dec 19, 2024
thread 'wgpu-hal WGL Instance Thread' has overflowed its stack Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 32/100

PolyMeilex/Neothesia#198 · Opened Sep 15, 2024
Crash when minimalize the window on Windows 10 Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PolyMeilex/Neothesia#189 · 2 comments · Opened Jul 13, 2024
Feature request: Volume control (e.g., mouse wheel) Open

feature-request

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PolyMeilex/Neothesia#171 · 1 comment · Opened May 5, 2024
Feature request: Support isomorphic layouts Open

feature-request

Difficulty 5/5 Over a week Newbie friendliness 25/100

PolyMeilex/Neothesia#170 · 4 comments · 1 reaction · Opened May 1, 2024
Website design Open

Design

Difficulty 5/5 Over a week Newbie friendliness 20/100

PolyMeilex/Neothesia#145 · 5 comments · Opened Feb 7, 2024
Feature Request: Free play Open

feature-request

Difficulty 5/5 Over a week Newbie friendliness 20/100

PolyMeilex/Neothesia#135 · 10 reactions · Opened Jan 16, 2024
Tracking Neothesia in downstream package repos Open

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PolyMeilex/Neothesia#97 · Opened Oct 20, 2023
Can't play "Rush E" Open

Difficulty 4/5 3-5 days Newbie friendliness 30/100

PolyMeilex/Neothesia#68 · 2 comments · 1 reaction · Opened Sep 21, 2023
[Feature request] Support for e-drums (map midi) Open

feature-request

Difficulty 5/5 Over a week Newbie friendliness 25/100

PolyMeilex/Neothesia#51 · 2 comments · Opened Sep 12, 2023
Feature Request: add scores (notes / errors) Open

feature-request

Difficulty 5/5 Over a week Newbie friendliness 20/100

PolyMeilex/Neothesia#50 · 5 reactions · Opened Sep 12, 2023
Allow to only show the amount of keys needed for given song Open

feature-request

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PolyMeilex/Neothesia#38 · 7 comments · Opened May 7, 2023
[Feature Request] add the ability to start and end a song from a specific point Open

feature-request

Difficulty 4/5 3-5 days Newbie friendliness 25/100

PolyMeilex/Neothesia#29 · 3 reactions · Opened Oct 21, 2022
[Accessibility] Add buttons or keymap to UI Open

Design feature-request

Difficulty 4/5 3-5 days Newbie friendliness 35/100

PolyMeilex/Neothesia#25 · 1 reaction · Opened Sep 9, 2022
Extra feature: File picker inside program Open

Design feature-request

Difficulty 5/5 Over a week Newbie friendliness 25/100

PolyMeilex/Neothesia#16 · 1 comment · 2 reactions · Opened Dec 14, 2021
Crash when change to full screen Open

bug

Difficulty 4/5 3-5 days Newbie friendliness 25/100

PolyMeilex/Neothesia#15 · 2 comments · Opened Oct 25, 2021

PolyMeilex/Neothesia

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