Qilin Editor is described as 'Qilin is a free, open-source and fully hackable text editor developed for exact sciences in mind. It fully supports KaTeX and AsciiMath. Qilin works on each desktop platform - it is based on Chromium and Node.js, licensed under the MIT license'. There are five alternatives to Qilin Editor for Mac, Windows, Linux and Electron / Atom Shell. The best alternative is Typora, which is free. Other great apps like Qilin Editor are Vnote (Free, Open Source), Pine (Free, Open Source), Deepdwn (Paid) and Typewriter for Makdown (Free).