Ennuicastr is described as 'web-based voice chat tool and audio recorder, which records in high quality (128kbit Opus or lossless FLAC), and is foolproof for end-users. All that regular participants have to do is click a link, give their name or nickname, and talk' and is a Audio Recorder in the Audio & Music category. There are five alternatives to Ennuicastr for a variety of platforms, including Online / Web-based, Android, Windows, SaaS and Mac. The best alternative is Zencastr. It's not free, so if you're looking for a free alternative, you could try Remotely.fm. Other great apps like Ennuicastr are Riverside.fm (Paid), Squadcast.fm (Paid) and RINGR (Paid).
Zencastr records each guest locally from their own computer to a high quality mp3. The host then receives a separate high quality track for each guest in their dropbox account. No more dropouts due to a bad connection. No more changes in quality during the show.