Note-taking with Unicode
Chars is a delightful and easy-to-use note-taking app for quickly writing down your thoughts. Then sharing, tweeting, or using them the way you want.
Also there is built-in special characters keyboard working inside the app or as system-wide keyboard extension.
Wiki-like note taking helping with the writing process
Perixi is a desktop app designed from the ground up to make it easier to plan your story. Whether you're an author, world-builder, or someone who likes creating, Perixi is designed to bring wiki-like links, images, and markdown-like editing to your process.