Sites using Open Opus
Free database and API of classical music composers and their works.
Found via: StackScope Discovery (Indie) 1
Open Opus has been detected on a single launch we've crawled, Tutor AI — Free AI Tools & Activities for Teachers, on September 11, 2026.
It's most commonly paired with Microsoft 365, Google Search Console, and AWS Route 53.
Share of new sites using Open Opus
Each dot is one launch day. Line is the 7-day rolling average. Chart starts at first detection.
Education leaders
| Tool | % of launches | % of category | ||
|---|---|---|---|---|
| #1 |
GeoGebra
|
<0.01% | 5.58% | |
| #2 |
CTFd
|
<0.01% | 5.22% | |
| #3 |
Find And Study
|
<0.01% | 4.50% | |
| #4 |
Scratch
|
<0.01% | 3.96% | |
| #5 | Udemy | <0.01% | 3.96% | |
| … | ||||
| #171 |
Open Opus
Current page
|
<0.01% | 0.18% | |
Percentages show adoption among indie launches: the share of all analysed launches, and of launches using any Education tool. All 224 in Education →
Often used with
| Tool | Sites |
|---|---|
Microsoft 365
|
1 |
Google Search Console
|
1 |
AWS Route 53
|
1 |
Google Sign-In
|
1 |
Google Fonts
|
1 |
Tools most often detected on the same sites as Open Opus.
Recent launches we can show
1 of the 1 sites using Open Opus are product launches we list individually.
