Maha
Maha was an Twitter client for iOS, featuring a Windows Phone-lookalike UI.
TweetRain
TweetRain was a Twitter client for Mac and iOS, sliding tweets over screen.
It was useless after Twitter closed down the streaming API, and is now reborn as TootRain.
Everyone let’s go to fediverse!
Lilium
Lilium was a app for viewing images on social networks, including Instagram, Facebook, Twitter, Tumblr, and Flickr.
It’s no longer relevant in the age of walled garden. You can find the source code here.
HK Ferry Timetable for iOS
Source code: https://github.com/b123400/FerryTimetable3
Whosetweet - A little game guessing the author of tweets. Written in pure functional languages. It’s useless after Twitter closed down it’s API.