Current Song Overlay This is an application allowing (mostly) streamers to display the currently playing song. There's also an extension to get metadata and play progress from the browser. On Windows, it registers itself as a service which makes it easy to work with since it's in the autostart.
Instagram MQTT Instagram Realtime and FBNS client allowing users to receive events like direct messages or notifications in realtime.
Instagram Private API This is a TypeScript library which is using Instagram's Android-API to allow the upload of media or viewing of profiles just to name a few. I'm one of the contributors.
Burp Insta Tools An extension written in Kotlin for Burp which prettifies and decompresses Instagram requests and responses to analyze them easily.