Instander - Instander is a free modification of the Instagram app for android. It contains many improvements over the original application. Instander has a lot of different improvements that give the user an edge over other Instagram users.
4K Stogram - Free Instagram Downloader for macOS, PC and Linux. Search, download or backup Instagram photos shared by any user. Follow your favorite photographers and stay tuned!
Barinsta - The beautiful, open source, and privacy-friendly alternative Instagram client for Android
IgMp3 - Instagram Mp3 Converter - Instagram to Mp3 converter and video downloader
InstaMod - its basically Instagram, but with More enhanced and Must have features.
DownloadGram - Downloadgram Instagram Photos, Carousel, Video, and IGTV - Free, online, and one-click download.