iPad Apps to Syntax Highlighting

PasteFS is a versatile digital assets manager and pastebin service designed for securely sharing text, code, files, and images. It offers strong privacy features, including end-to-end encryption, alongside convenient tools for developers and content creators.

VerbTeX LaTeX Editor is a powerful, cloud-based LaTeX editor designed for seamless document creation and collaboration. It offers real-time compilation, synchronization across devices, and a feature-rich environment for academics, scientists, and technical writers.

iA Writer is a focused, minimalist text editor designed for writers and creators who value simplicity and efficiency. Available on macOS, Android, and iOS, it provides a clean interface to help you concentrate on your writing.

Coda is a Mac-exclusive integrated development environment (IDE) designed for web developers. It combines a powerful text editor, built-in file management (including FTP/SFTP/WebDAV), version control integration, and web preview tools into a single, cohesive application.

Codeanywhere is a versatile cloud-based Integrated Development Environment (IDE) that provides developers with a complete coding environment accessible from any web browser. It supports numerous programming languages and frameworks, offering real-time collaboration, integrated tools, and cross-platform compatibility.